Cisco 3700 Series Routers Hardware Installation Guide - Installing the Router [Cisco 3700 Series Multiservice Access Routers]

Table Of Contents

Installing the Router

Installing Modules, Interface Cards, and Power Supplies

Setting Up the Chassis

Setting the Chassis on a Desktop

Rack-Mounting the Chassis

Attaching Brackets to the Cisco 3725 Router

Attaching Brackets to the Cisco 3745 Router

Mounting the Router in a Rack

Installing the Chassis Ground Connection

Cisco 3725 Router Ground Connection

Cisco 3745 Router Ground Connection

Power Connections

Connecting Routers to AC Power

Connecting Routers to a DC-Input Power Supply

Wiring the DC-Input Power Supply in Cisco 3725 Routers

Wiring the DC-Input Power Supply in Cisco 3745 Routers

Connecting Routers to the Cisco Redundant Power System

Connecting WAN, LAN, and Voice Cables

Ports and Cabling

Connection Procedures and Precautions

Connecting to a Console Terminal or Modem

Connecting to the Console Port

Connecting to the Auxiliary Port

Identifying a Rollover Cable

Powering Up the Router

Checklist for Power Up

Front Panel Indicators

Power-Up Procedure

Configuring the Router

Initial Configuration Using SDM

Initial Configuration Using the Setup Command Facility

Initial Configuration Using the CLI (Manual Configuration)

Installing the Router

This chapter describes how to install your Cisco 3700 series router and connect it to networks and external devices. It includes the following sections:

•Installing Modules, Interface Cards, and Power Supplies

•Setting Up the Chassis

•Installing the Chassis Ground Connection

•Power Connections

•Connecting WAN, LAN, and Voice Cables

•Connecting to a Console Terminal or Modem

•Powering Up the Router

•Configuring the Router

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017

Installing Modules, Interface Cards, and Power Supplies

Cisco routers are normally shipped with network modules, WAN interface cards (WICs), voice interface cards (VICs), advanced integration modules (AIMs), and power supplies already installed. If you need to remove or install any of these items, see the applicable documents online.

For network modules:

•Quick Start Guide: Network Modules for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

•Cisco Network Modules Hardware Installation Guide

For WICs and VICs:

•Quick Start Guide: Interface Cards for Cisco 1600, 1700, 2600, 3600, and 3700 Series

•Cisco Interface Cards Hardware Installation Guide

For AIMs:

•Quick Start Guide: Advanced Integration Module Installation in Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

•Installing Advanced Integration Modules in Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

For internal power supplies:

•Installing Field-Replaceable Units in Cisco 3745 Routers

•Installing AC Power Supplies in Cisco 3725 Routers

For external power supplies:

•Cisco RPS Hardware Installation Guide

For -48 V telephony power modules:

•Installing Cisco -48 VDC Power Supplies

Note If modules, interface cards, or power supplies need to be removed or installed, Cisco suggests that you perform the installation or removal before you install the chassis. If a chassis cover needs to be removed, the chassis may have to be removed from the rack to permit cover removal.

Note The Cisco 3745 accommodates two AC or two DC hot-swappable power supplies in bays at the rear of the unit. Each unit provides up to 230 W of power, and a single installed power supply meets the router's requirements. The second installed power supply provides redundancy, load sharing, and increased system availability. Either power supply can be removed without affecting system operation.

If the required network modules, interface cards, and power supplies are already installed, proceed to the "Setting Up the Chassis" section.

Setting Up the Chassis

You can set the chassis on a desktop or install it in a rack. Select the procedure that best meets the needs of your network. These procedures are described in the following sections:

•Setting the Chassis on a Desktop

•Rack-Mounting the Chassis

Setting the Chassis on a Desktop

You can place Cisco 3700 series routers on a desktop or shelf.

Warning To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to support the weight of the unit. Statement 1032

Caution Do not place anything on top of the router that weighs more than 10 lb (4.5 kg). Excessive weight on top could damage the chassis.

After the router has been installed, you must connect the chassis to a reliable earth ground. For the chassis ground connection procedures, see the "Installing the Chassis Ground Connection" section.

Rack-Mounting the Chassis

If you are planning to rack-mount the router, do so before making network and power connections. If you need to install network modules or interface cards, you can do so either before or after rack-mounting the router. Ideally, you would install modules and interface cards when you have the best access to the rear panel of the router.

Note The Cisco 3725 requires additional clearance on the left side (as viewed from the front of the chassis) to accommodate cooling fans. This clearance is provided through the use of special brackets. Be sure to install the wide bracket (marked right) on the side of the chassis with the cooling fans.

The Cisco 3725 router is shipped with rack-mounting brackets for 19-inch racks. (See Figure 3-1.)

Figure 3-1 Rack-Mounting Brackets for Cisco 3725 Router

The Cisco 3745 router is shipped with rack-mounting brackets for 19-inch racks. (See Figure 3-2.) You can order optional bracket for 23-inch rack-mounting. (See Figure 3-3.)

Figure 3-2 Cisco 3745 Router—Brackets for 19-Inch Rack

Figure 3-3 Cisco 3745 Router—Brackets for 23-Inch Rack

Attaching Brackets to the Cisco 3725 Router

You can rack-mount a Cisco 3725 router with either the front or the rear of the chassis facing forward. See Figure 3-4 through Figure 3-7 for bracket installation instructions.

Note Use the screws supplied with the brackets for this installation.

Figure 3-4 and Figure 3-5 show the front-panel-forward bracket attachment locations.

Figure 3-4 Cisco 3725 Router Bracket Installation—Front Mount with Front Panel Forward

Figure 3-5 Cisco 3725 Router Bracket Installation—Center Mount with Front Panel Forward

Note When installed in a rack with a 17.75-inch (45-cm) opening, the Cisco 3725 routers protrude beyond the front of the rack.

Figure 3-6 and Figure 3-7 show the rear-panel-forward bracket attachment locations.

Figure 3-6 Cisco 3725 Router Bracket Installation—Center Mount with Rear Panel Forward

Figure 3-7 Cisco 3725 Router Bracket Installation—Rear Panel Forward

Attaching Brackets to the Cisco 3745 Router

You can rack-mount a Cisco 3745 router with either the front or the rear of the chassis facing forward. See Figure 3-8 through Figure 3-10 for bracket installation instructions.

Note Use the screws supplied with the brackets for this installation.

Figure 3-8 Cisco 3745 Router Bracket Installation—Front Panel Forward

Figure 3-9 Cisco 3745 Router Bracket Installation—Rear Panel Forward

Figure 3-10 Cisco 3745 Router Bracket Installation—Center-Mount Bracket

Mounting the Router in a Rack

The following orientations are possible for installing the router in a rack:

•Center mounting—Brackets attached in the center of the chassis with either the front panel or the rear panel facing forward

•Front mounting—Brackets attached at the front of the chassis with the front panel facing forward

•Rear mounting—Brackets attached at the rear of the chassis with the rear panel facing forward

Warning

To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:
•This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

•When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

•If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement 1006

Warning To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to support the weight of the unit. Statement 1032

Using screws that you provide, attach the chassis to the rack. (See Figure 3-11.)

Figure 3-11 Mounting the Chassis in a Rack (Typical)

After the router has been installed, you must connect the chassis to a reliable earth ground. For the chassis ground connection procedures, see the "Installing the Chassis Ground Connection" section.

Installing the Chassis Ground Connection

All Cisco 3700 series router chassis require a reliable earth ground connection. You must connect the chassis to a reliable earth ground; the ground wire must be installed in accordance with local electrical safety standards.

•For NEBS-compliant grounding, use size AWG 6 (13 mm²) wire and the ground lug provided in the accessory kit.

•For NEC-compliant grounding, use size AWG 14 (2 mm²) or larger wire and an appropriate user-supplied ring terminal.

•For EN/IEC 60950-compliant grounding, use size AWG 18 (1 mm²) or larger wire and an appropriate user-supplied ring terminal.

For chassis grounding instruction, see one of the following sections:

•Cisco 3725 Router Ground Connection

•Cisco 3745 Router Ground Connection

Cisco 3725 Router Ground Connection

To install the ground connection for a Cisco 3725 router, perform the following steps:

Step 1 Strip one end of the ground wire to the length required for the ground lug or terminal.

•For the NEBS ground lug—approximately 0.75 inch (20 mm)

•For user-provided ring terminal—as required

Step 2 Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.

Step 3 Attach the ground lug or ring terminal to the chassis as shown in Figure 3-12 or Figure 3-13. For a ground lug, use the two screws with captive locking washers provided. For a ring terminal, use one of the screws provided. Use a number 2 Phillips screwdriver, and tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).

Step 4 Connect the other end of the ground wire to a grounding point at your site.

Figure 3-12 NEBS-Compliant Ground Wire Connection on a Cisco 3725 Router Chassis

Figure 3-13 Chassis Ground Connection Using Ring Terminal on a Cisco 3725 Chassis

After the router has been installed and properly grounded, you can connect the power wiring; the WAN, LAN, and voice cables; and the cables for administrative access as required for your installation. For cable connection procedures, see the "Power Connections" section, the "Connecting WAN, LAN, and Voice Cables" section, and the "Connecting to a Console Terminal or Modem" section.

Cisco 3745 Router Ground Connection

To install the ground connection on a Cisco 3745 router, perform the following steps:

Step 1 Strip one end of the ground wire to the length required for the ground lug or terminal.

•For the NEBS ground lug—approximately 0.75 inch (20 mm)

•For user-provided ring terminal—as required

Step 2 Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.

Step 3 Attach the ground lug or ring terminal to the chassis as shown in Figure 3-14 or Figure 3-15. For a ground lug, use the two screws with captive locking washers provided. For a ring terminal, use one of the screws provided. Use a number 2 Phillips screwdriver, and tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).

Step 4 Connect the other end of the ground wire to a grounding point at your site.

Figure 3-14 NEBS-Compliant Ground Wire Connection on a Cisco 3745 Router Chassis

Figure 3-15 Chassis Ground Connection Using Ring Terminal on a Cisco 3745 Router Chassis

After the router has been installed and properly grounded, you can connect the power wiring; the WAN, LAN, and voice cables; and the cables for administrative access as required for your installation. For cable connection procedures, see the "Power Connections" section, the "Connecting WAN, LAN, and Voice Cables" section, and the "Connecting to a Console Terminal or Modem" section.

Power Connections

This section explains how to connect AC or DC power to Cisco 3725 and Cisco 3745 routers. It covers the following topics:

•Connecting Routers to AC Power

•Connecting Routers to a DC-Input Power Supply

•Connecting Routers to the Cisco Redundant Power System

Connecting Routers to AC Power

If your router uses AC power, connect it to a 15 A, 120 VAC (10 A, 240 VAC) circuit with overcurrent protection.

Note The input voltage tolerance limits for AC power are 85 and 264 VAC.

Warning AC connected units must have a permanent ground connection in addition to the power cable ground wire. NEBS-compliant grounding satisfies this requirement. Statement 284

Warning This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than:
15A, 120VAC (10A, 240VAC). Statement 1005

Caution To comply with Telcordia NEBS GR-1089-Core and EN 300386 requirements, you must use foil twisted-pair cable that is properly grounded at both ends.

Connecting Routers to a DC-Input Power Supply

Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003

Warning Use copper conductors only. Statement 1025

Note The installation must comply with the 1996 National Electric Code (NEC) and other applicable codes.

If your router has a DC-input power supply, follow the directions in this section for proper wiring. A router with a DC-input power supply has a terminal block for the DC power connections.

Depending on the type of router you are installing, see one of the following procedures:

•Wiring the DC-Input Power Supply in Cisco 3725 Routers

•Wiring the DC-Input Power Supply in Cisco 3745 Routers

Wiring the DC-Input Power Supply in Cisco 3725 Routers

If your Cisco 3725 router has a DC-input power supply, follow the directions in this section for proper wiring.

DC Wiring Requirements for Cisco 3725 Routers

Warning This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than:
15A, 60VDC. Statement 1005

Caution Dual sources with opposite-polarity grounding damage equipment.

A Cisco 3725 router with a DC-input power supply requires copper wire and crimp-type terminals for the power connections. Table 3-1 summarizes the wiring requirements.

Table 3-1 DC Wiring Requirements for Cisco 3725 Routers

DC Power Source

DC Input

DC Input Wire Size

Safety Ground Wire Size

Wire Terminal (Lug)

Overcurrent Protection

Nominal 24/48 VDC¹

24-36 VDC, 9 A, positive or negative, single source or dual sources

AWG 18 (1.0 mm2)

AWG 14
(2.0 mm2)

Molex part number 19193-0017, or equivalent

15 A maximum

36-60 VDC, 4 A, positive or negative, single source or dual sources

AWG 18 (1.0 mm2)

AWG 14
(2.0 mm2)

Molex part number 19193-0017, or equivalent

15 A maximum

¹The input voltage tolerance limits for DC power are 18 and 72 VDC.

Wiring Procedure for Cisco 3725 Routers

To connect a Cisco 3725 router to a DC power source, perform the following steps:

Step 1 Remove power from the DC circuit. To ensure that power is removed from the DC circuit, locate the circuit breaker for the DC circuit, switch the circuit breaker to the OFF position, and tape the circuit-breaker switch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.

Step 2 Strip the wires to the appropriate length for the terminals. The strip length is 1/8 to 3/16 inch (3 to 5 mm) for Molex number 19193-0009 and for AMP number 324159-0 terminals.

Step 3 Crimp the terminals to the power input and safety ground wires.

Warning When stranded wiring is required, use approved wiring terminations, such as closed-loop or spade-type with upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor. Statement 1002

Step 4 Remove the plastic cover from the terminal block. Save it for reinstallation after you finish wiring.

Step 5 Connect the DC power input wires to the terminal block as shown in Figure 3-16. To avoid interference with the on/off switch, organize the wires downward from the terminal block.

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The ground wire should always be connected first and disconnected last. Statement 239

Caution Do not overtorque the terminal block contact screws. Recommended torque is 8.0 ± 0.5 in-lb (0.9 ± 0.05 N-m).

Figure 3-16 DC Power Connections

Step 6 Install the plastic cover over the terminals. (See Figure 3-17.)

Warning The safety cover is an integral part of the product. Do not operate the unit without the safety cover installed. Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and electrical hazards. Statement 117

Step 7 Organize and secure the wires using cable ties as shown in Figure 3-17.

Step 8 Turn on power to the DC circuit.

Figure 3-17 DC Wire Routing and Attachment for Cisco 3725

Approved Scenarios and Scenarios Not Approved for Dual DC Power Supply Configuration in Cisco 3725 Routers

You can connect a single DC power source to either the A input or the B input. If there are dual power sources, connect one source to the A input and one source to the B input. Both sources must be the same polarity (with respect to ground) and voltage (within 0.25 volts). Do not connect -DC grounded and +DC grounded dual sources to a Cisco 3725 router.

Caution Dual sources with opposite-polarity grounding can damage equipment.

In Figure 3-18, either the positive source terminal or the negative source terminal is tied to ground.

Figure 3-18 Connecting to One Source Only—Source A or Source B

In Figure 3-19, source A and source B share common negative terminal connections.

Figure 3-19 Connecting Source A and Source B with Common Negative Terminals

In Figure 3-20, source A and source B share common positive terminal connections. This is allowed only if Va equals Vb (within 0.25 V).

Caution When connecting source A and source B with common positive terminals, if source A and source B voltages are unequal by more than 0.25 V, the higher-voltage source can discharge into the lower-voltage source through the A- and B- input terminals. Excessive discharging currents through these terminals can cause one or both of the dual input DC power supply's internal A- or B- fuses to open, resulting in lack of redundancy or system failure. When source A and source B are within 0.25 V, discharge current is minimal.

Note When source A and source B are wired with common negative terminals, as in Figure 3-19, discharging does not occur and there is no restriction requiring that source A and source B voltages be equal.

Figure 3-20 Connecting Source A and Source B with Common Positive Terminals

Caution In Figure 3-21, source A and source B are wired with opposite polarity grounds. Do not use this DC input configuration.

Figure 3-21 Source A and Source B Wired with Opposite-Polarity Grounds

Wiring the DC-Input Power Supply in Cisco 3745 Routers

If your Cisco 3745 router has a DC-input power supply, follow the directions in this section for proper wiring.

DC Wiring Requirements for Cisco 3745 Routers

A Cisco 3745 router with a DC-input power supply requires copper wire for the power connections. Table 3-2 summarizes the wiring requirements.

Note Two types of DC input power supply can be installed in a Cisco 3745 router: power supplies rated at 24/48 VDC nominal input, and power supplies rated at 48 VDC nominal input. Table 3-2 summarizes the wiring requirement for both power supplies.

Table 3-2 DC Wiring Requirements for Cisco 3745 Routers

Installed Power Supply

DC Input

DC Input Wire Size

Safety Ground Wire Size

Wire Terminal (Lug)

Overcurrent Protection

Nominal 24/48 VDC¹

Identified by the following printed label:

24-36 V, 15 A

AWG 12
(3.0 mm²)

AWG 12
(3.0 mm²), minimum

Amp/Tyco No. 52961 or equivalent

20 A maximum

36-60 V, 7 A

AWG 12 or 14
(3.0 or 2.0 mm²)

AWG 12
(3.0 mm²), minimum

For AWG 12: Amp/Tyco No. 52961 or equivalent

For AWG 14: Molex No. 19099-0017 or equivalent

20 A maximum

Nominal 48 VDC²

Identified by the following printed label:

48-60 V, 10 A

AWG 14 or 16
(2.0 or 1.2 mm²)

AWG 14
(2.0 mm²), minimum

For AWG 14 or 16: Molex No. 19099-0017 or equivalent

20 A maximum

¹The input voltage tolerance limits for nominal 24/48-V power supplies are 18 and 72 VDC.

²The input voltage tolerance limits for nominal 48-V power supplies are 38 and 72 VDC.

Wiring Procedure for DC Input

To connect the router to a DC power source, perform the following steps:

Step 1 Remove power from the DC circuit. To ensure that power is removed from the DC circuit, locate the circuit breaker for the DC circuit, switch the circuit breaker to the OFF position, and tape the circuit-breaker switch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.

Step 2 Strip the wires to the appropriate length for the terminals. The strip length is 1/8 to 3/16 inch (3 to 5 mm) for Molex number 19073-0009 terminals and for AMP/Tyco number 52961 terminals.

Step 3 Crimp the terminals onto the DC power input wires.

Warning When stranded wiring is required, use approved wiring terminations, such as closed-loop or spade-type with upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor. Statement 1002

Step 4 Remove the plastic cover from the terminal block. Save it for reinstallation after you finish wiring.

Step 5 Connect the DC power input wires to the terminal block as shown in Figure 3-22 or Figure 3-23.

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The ground wire should always be connected first and disconnected last. Statement 239

Caution Do not overtorque the terminal block screws. The recommended torque is 8.0 ± 0.5 in-lb (0.9 ± 0.05 N-m).

Figure 3-22 Terminal Block Connections for Negative Polarity DC Input Power in Cisco 3745 Router

Figure 3-23 Terminal Block Connections for Positive Polarity DC Input Power in Cisco 3745 Router

Step 6 Install the plastic cover over the terminal block.

Warning The safety cover is an integral part of the product. Do not operate the unit without the safety cover installed. Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and electrical hazards. Statement 117

Step 7 Secure the wires using cable ties.

Step 8 If your router has a second power supply installed, repeat Step 1 through Step 7 for the second power supply.

Step 9 Turn on power to the DC circuit.

Connecting Routers to the Cisco Redundant Power System

If your router uses the Cisco Redundant Power System (RPS), see the Cisco RPS Hardware Installation Guide for instructions about the power connections. You can access this document at the location described in the "Obtaining Documentation" section.

Connecting WAN, LAN, and Voice Cables

This section describes how to connect the WAN, LAN, and voice interface cables. It includes the following topics:

•"Ports and Cabling" section

•"Connection Procedures and Precautions" section

Note One or two Ethernet cables are typically provided with the router. Additional cables and transceivers can be ordered from Cisco. For ordering information, see the Cisco Product Catalog at http://www.cisco.com/en/US/products/products_catalog_links_launch.html. For cable pinouts, see the Cisco Modular Access Router Cable Specifications document available on Cisco.com.

Warning Do not work on the system, or connect or disconnect cables during periods of lightning activity. Statement 1001

Ports and Cabling

Table 3-3 summarizes some typical WAN, LAN, and voice connections for Cisco 3700 series routers.

The connections summarized here are also described in detail in the following documents:

•Cisco Modular Access Router Cable Specifications

•Cisco Network Modules Hardware Installation Guide

•Cisco Interface Cards Hardware Installation Guide

You can access these documents at the location described in the "Obtaining Documentation" section.

Table 3-3 WAN, LAN, and Voice Connections

Port or Connection

Port type, color

Connection

Cable

Fast Ethernet

RJ-45, yellow,

Ethernet hub

Straight-through Ethernet

T1/E1 WAN

RJ-48C/CA81A, blue

T1 or E1 network

RJ-48 T1/E1

Cisco serial

60-pin D-sub, blue

CSU/DSU and serial network or equipment

Cisco serial transition cable that matches the signaling protocol (EIA/TIA-232, EIA/TIA-449, V.35, X.21, or EIA/TIA-530) and the serial port operating mode (DTE or DCE).

See the Cisco Modular Access Router Cable Specifications document for information about selecting these cables.

Cisco Smart Serial

Cisco Smart compact connector, blue

CSU/DSU and serial network or equipment

For WIC-2T and WIC-2A/S only

DSL¹

RJ-11C/CA11A, lavender

Network demarcation device for service provider's DSL interface

RJ-11

T1/E1 digital voice

RJ-48C/CA81A, tan

Digital PBX

RJ-48 T1/E1 cable

Analog voice FXS²

RJ-11, gray

Telephone, fax

RJ-11

Analog voice FXO³

RJ-11, pink

Central office, analog PBX

RJ-11

Analog voice E&M⁴

RJ-11, brown

Analog PBX

RJ-11

BRI S/T WAN
(external NT1)

RJ-45/CB-1D, orange

NT1 device or private integrated network exchange (PINX)

RJ-45 straight-through

BRI U WAN
(built-in NT1)

RJ-49C/CA-A11, red

ISDN network

RJ-48 straight-through

CT1/PRI

T1

External T1 CSU

DB-15 T1 serial cable

CT1/PRI-CSU

T1

RJ-48C/CA81A interface

RJ-48 straight-through

CE1/PRI

E1

E1 network

DB-15 to BNC, DB-15 to DB-15, DB-15 to twinax, or DB-15 to RJ-45

56/64-kbps CSU/DSU

8-pin modular, blue

RJ-48S interface

RJ-48 straight-through

¹DSL = digital subscriber line.

²FXS = foreign exchange station.

³FXO = foreign exchange office.

⁴E&M = ear and mouth.

Connection Procedures and Precautions

Connect each WAN, LAN, and voice cable to the appropriate connector on the chassis or on a network module or interface card.

•Position the cables carefully, so that they do not put strain on the connectors.

•Organize cables in bundles so that cables do not intertwine.

•Inspect the cables to make sure that the routing and bend radiuses are satisfactory. Reposition cables, if necessary.

•Install cable ties in accordance with site requirements.

For cable pinouts, see the online document Cisco Modular Access Router Cable Specifications.

Connecting to a Console Terminal or Modem

Your router has asynchronous serial console and auxiliary ports. These ports provide administrative access to your router either locally (with a console terminal or PC) or remotely (with a modem).

Cisco provides the following cables and adapters for connecting your router to a console terminal, PC, or modem:

•One console adapter cable (RJ-45-to-DB-9, blue)

•One modem adapter cable (RJ-45-to-DB-25, black)

This section describes how to connect a console terminal or PC to the console port, and how to connect a modem to the auxiliary port.

Note For information on identifying rollover cables, see the "Identifying a Rollover Cable" section.

Connecting to the Console Port

To connect a console terminal or a PC running terminal emulation software to the console port on the router, perform the following steps:

Step 1 Use the blue RJ-45-to-DB-9 console adapter cable to connect the router to a terminal. (See Figure 3-24 and Figure 3-25.)

For information about cable pinouts, see the online publication Cisco Modular Access Router Cable Specifications, available online and on the Documentation CD-ROM.

Note On Cisco routers, the console port is color-coded blue.

Step 2 Configure your terminal or terminal emulation software for 9600 baud (default), 8 data bits, no parity, and 2 stop bits.

Note Because hardware flow control is not possible on the console port, we do not recommend that modems be connected to the console port. Modems should always be connected to the auxiliary port.

Figure 3-24 Connecting a Console Terminal to a Cisco 3725 Router

Figure 3-25 Connecting a Console Terminal to a Cisco 3745 Router

Connecting to the Auxiliary Port

To connect a modem to the auxiliary port on the router, perform the following steps:

Step 1 Use the black RJ-45-to-DB-25 modem adapter cable to connect the router to a modem. (See Figure 3-26 and Figure 3-27.)

For information about cable pinouts, see the publication Cisco Modular Access Router Cable Specifications on Cisco.com.

Step 2 Make sure that your modem and the router auxiliary port are configured for the same transmission speed (up to 115200 bps is supported) and hardware flow control with data carrier detect (DCD) and data terminal ready (DTR) operations.

Figure 3-26 Connecting a Modem to the Auxiliary Port on a Cisco 3725 Router

Figure 3-27 Connecting a Modem to the Auxiliary Port on a Cisco 3745 Router

Identifying a Rollover Cable

Use a rollover cable to connect to the asynchronous serial console and auxiliary ports. You can identify a rollover cable by comparing the two modular ends of the cable. Holding the cables side by side, with the tab at the back, the wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug. (See Figure 3-28.) If your cable came from Cisco, pin 1 will be white on one connector, and pin 8 will be white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).

Figure 3-28 Identifying a Rollover Cable

Powering Up the Router

Warning The plug-socket combination must be accessible at all times because it serves as the main disconnecting device. Statement 1019

Caution To ensure adequate cooling, never operate the router unless the unit is completely closed.

This section covers the following topics:

•Checklist for Power Up

•Front Panel Indicators

•Power-Up Procedure

Checklist for Power Up

You are ready to power up the Cisco router if the following steps are completed:

•The chassis is securely mounted.

•Power and interface cables are connected.

•Your PC terminal emulation program is configured for 9600 baud, 8 data bits, 1 stop bit, and no parity.

•You have selected passwords for access control.

•You have determined the IP addresses for the Ethernet and serial interfaces.

Front Panel Indicators

The meanings of the LED indicators for Cisco 3725 and Cisco 3745 routers are described in the following sections. For more detailed information about the LEDs, see "Troubleshooting."

Cisco 3725 LED Indicators

The following indicator LEDs on the front of the chassis provide power, activity, and status information:

•Power (green)—LED is on when power is on

•SYS/RPS (green):

–Rapid blinking (200 ms)—System is booting

–Slow blinking (1 s)—Redundant power supply (RPS) failure

–Continuous on—System OK

•Activity (green)—Blinks during system activity, such as interrupts and packet transfers

Cisco 3745 LED Indicators

The following indicator LEDs on the front of the chassis provide power, activity, and status information:

•SYS—System status:

–Blinking green during bootup—System is booting

–Continuous green—System booted and OK

–Blinking green continuing after bootup—System is in ROM monitor mode

–Amber—System malfunction

•ACT—Activity:

–Blinking or continuous green during system activity, such as interrupts and packet transfers

•SYS PS1 or SYS PS2—Chassis power supply number 1 or number 2 status:

–Off—Powered off, not installed, or faulty

–Continuous green—Installed and operating

–Amber—Installed and powered off or faulty

•-48V PS1 or -48V PS2—IP power module number 1 or number 2 status:

–Off—Faulty or not installed

–Continuous green—Installed and operating

–Amber—Installed and powered off or faulty

Power-Up Procedure

To power up your Cisco router and verify that it goes through its initialization and self-test, follow this procedure. When the procedure is finished, the Cisco router is ready to configure.

If you encounter problems when you power up the router, see "Troubleshooting." For information about the ROM monitor and the bootstrap program, see "Using the ROM Monitor." For information about the configuration register, see "Configuration Register."

Note To view the boot sequence through a terminal session, you must have a console connection to the Cisco router before it powers up.

Step 1 Make sure that your PC is powered up and connected as described in the "Checklist for Power Up" section.

Step 2 Move the power switch to the ON position.

Note Cisco 3745 routers may have one or two chassis power supplies. A router may operate with either power supply or with both power supplies in use. Two power supplies provide redundancy.

The following indications appear:

•Cisco 3725 router

–The green power LED on the front of the chassis comes on.

–The fan operates.

•Cisco 3745 router

–The green SYS PS1 LED on the front of the chassis comes on if power supply 1 is in use; the green SYS PS2 LED comes on if power supply 2 is in use.

–The fan operates.

Depending on your installation, Fast Ethernet (0/0, 0/1) and Network Module (Active, Ready) LEDs might also come on.

If you encounter problems when you power up the router, see "Troubleshooting."

Messages begin to appear in your terminal emulation program window.

Caution Do not press any keys on the keyboard until the messages stop. Any keys pressed during this time are interpreted as the first command typed when the messages stop, which might cause the router to power down and start over. It takes a few minutes for the messages to stop.

You may see different startup messages:

•If you see the following messages, the router has booted with a configuration file and is ready for initial configuration using Security Device Manager (SDM).
yourname con0 is now available
Press RETURN to get started.
If SDM is installed on your router, we recommend using SDM to perform the initial configuration. For configuration procedures using SDM, see the quick start guide that shipped with your router.

You can also access the Cisco 3700 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/37xx_qsg/index.htm

•If you see the following messages, the router has booted and is ready for initial configuration using the setup command facility or the command line interface (CLI).
--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Would you like to enter the initial configuration dialog? [yes/no]:
To learn how to use the setup command facility to configure the router, see the "Initial Configuration Using the Setup Command Facility" section. To learn how to use the CLI to configure the router, see the "Initial Configuration Using the CLI (Manual Configuration)" section.

Note If the rommon 1> prompt appears, your system has booted in ROM monitor mode. For information on the ROM monitor, see the router rebooting and ROM monitor information in the Cisco IOS Configuration Fundamentals Configuration Guide for your Cisco IOS software release.

Configuring the Router

You can configure your router by using one of the following tools:

•Security Device Manager. If your router was purchased with a VPN bundle, Security Device Manager is installed on the router. See the "Initial Configuration Using SDM" section.

•Setup command facility. You can use the setup command facility to prompt you for basic router information. After the configuration file has been created, you can use the CLI or use Security Device Manager to perform additional configuration. See the "Initial Configuration Using the Setup Command Facility" section.

•Command-line interface (CLI). If you prefer to use the Cisco IOS CLI, see the "Initial Configuration Using the CLI (Manual Configuration)" section for instructions on how to use the CLI.

Note If you need help with interface and port numbering, see the "Interface Numbering" section.

Initial Configuration Using SDM

If Security Device Manager has been installed on your router, the following messages appear at the end of the startup sequence:
yourname con0 is now available
Press RETURN to get started.
For configuration procedures using SDM, see the quick start guide that shipped with your router.

You can also access the Cisco 3700 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/37xx_qsg/index.htm

Initial Configuration Using the Setup Command Facility

This section shows how to use the setup command facility to configure a host name for the router, set passwords, and configure an interface for communication with the management network. If you see the following messages at the end of the startup sequence, the setup command facility has been invoked automatically:
--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Would you like to enter the initial configuration dialog? [yes/no]:
The setup command facility prompts you for basic information about your router and network, and it creates an initial configuration file.The prompts vary, depending on your router model, the installed interface modules, and the software image. The following example and the user entries (in bold) are shown as examples only.

For a description of the interface numbering, see the "Interface Numbering" section.

Note If you make a mistake while using the setup command facility, you can exit and run the setup command facility again. Press Ctrl-C, and enter setup at the privileged EXEC mode prompt (Router#).

Step 1 To proceed using the setup command facility, enter yes when the power-up messages have ended.
Would you like to enter the initial configuration dialog? [yes/no]: yes
Step 2 When the following messages appear, press Return to enter basic management setup:
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Basic management setup configures only enough connectivity
for management of the system, extended setup will ask you
to configure each interface on the system
Would you like to enter basic management setup? [yes/no]: yes
Step 3 Enter a host name for the router (this example uses 3700):
Configuring global parameters:
Enter host name [Router]: 3700
Step 4 Enter an enable secret password. This password is encrypted (more secure) and cannot be seen when you view the configuration:
The enable secret is a password used to protect access to
privileged EXEC and configuration modes. This password, after
entered, becomes encrypted in the configuration.
Enter enable secret: xxxxxx
Step 5 Enter an enable password that is different from the enable secret password. This password is not encrypted (less secure) and can be seen when you view the configuration:
The enable password is used when you do not specify an
enable secret password, with some older software versions, and
some boot images.
Enter enable password: xxxxxx
Step 6 Enter the virtual terminal password, which prevents unauthenticated access to the router through ports other than the console port:
The virtual terminal password is used to protect
access to the router over a network interface.
Enter virtual terminal password: xxxxxx
Step 7 Respond to the following prompts as appropriate for your network:
Configure SNMP Network Management? [yes]:
    Community string [public]:
Step 8 A summary of the available interfaces is displayed.

Note The interface numbering that appears is dependent on the type of Cisco modular router platform and on the installed interface modules and cards.
Current interface summary
Controller Timeslots D-Channel Configurable modes Status
T1 0/0     24        23        pri/channelized    Administratively up
Interface                  IP-Address      OK? Method Status                Prol
FastEthernet0/0            unassigned      NO  unset  up                    up  
FastEthernet0/1            unassigned      NO  unset  up                    dow 
Step 9 Choose one of the available interfaces for connecting the router to the management network:
Enter interface name used to connect to the
management network from the above interface summary: fastethernet0/0
Step 10 Respond to the following prompts as appropriate for your network:
Configuring interface FastEthernet0/0:
Use the 100 Base-TX (RJ-45) connector? [yes]: yes
Operate in full-duplex mode? [no]: no
Configure IP on this interface? [yes]: yes
    IP address for this interface: 172.1.2.3
    Subnet mask for this interface [255.255.0.0] : 255.255.0.0
    Class B network is 172.1.0.0, 16 subnet bits; mask is /16
The configuration is displayed:
The following configuration command script was created:
hostname fig
enable secret 5 $1$D5P6$PYx41/lQIASK.HcSbfO5q1
enable password xxxxxx
line vty 0 4
password xxxxxx
snmp-server community public
!
no ip routing
!
interface FastEthernet0/0
no shutdown
media-type 100BaseX
half-duplex
ip address 172.1.2.3 255.255.0.0
!
interface FastEthernet0/1
shutdown
no ip address
!
end
Step 11 Respond to the following prompts. Choose [2] to save the initial configuration.:
[0] Go to the IOS command prompt without saving this config.
[1] Return back to the setup without saving this config.
[2] Save this configuration to nvram and exit.
Enter your selection [2]: 2
Building configuration...
Use the enabled mode 'configure' command to modify this configuration.
Press RETURN to get started!
Step 12 The user prompt appears:
3700>
After you complete the initial configuration tasks, your Cisco router is ready to configure for specific functions. For configuration procedures, see the Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers or the Cisco IOS software configuration documentation. You can access these documents on Cisco.com.

Initial Configuration Using the CLI (Manual Configuration)

This section shows how to bring up a command-line interface (CLI) prompt for configuration using the CLI, and it directs you to documentation for the CLI configuration.You can use the CLI if you see the following messages at the end of the startup sequence:
--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Would you like to enter the initial configuration dialog? [yes/no]:
Note If these messages do not appear, SDM and a default configuration file have been installed on the router at the factory. To use SDM to configure the router, see the quick start guide that shipped with your router. You can also access the Cisco 3700 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/37xx_qsg/index.htm

Note To avoid losing work you have completed, be sure to save your configuration occasionally as you proceed. Use the copy running-config startup-config command to save the configuration to NVRAM.

Step 1 To proceed with manual configuration using the CLI, enter no.
Would you like to enter the initial configuration dialog? [yes/no]: no
Step 2 Press Return to terminate autoinstall and continue with manual configuration.
Would you like to terminate autoinstall? [yes] Return
Several messages are displayed, ending with a line similar to the following:
...
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled <date> <time> by <person>
Step 3 Press Return to bring up the Router> prompt.
...
flashfs[4]: Initialization complete.
Router>
Step 4 Enter privileged EXEC mode.
Router> enable 
Router#
For configuration using the CLI, see the Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers or the Cisco IOS software configuration documentation. You can access these documents on Cisco.com.