Cisco 827 and SOHO 77 Routers Hardware Installation Guide
Specifications and Cables

Table Of Contents

Specifications and Cables

System Specifications

Port Connector Pinouts

Cabling Specifications

Ethernet Cable Specifications

Maximum Cable Distances


Specifications and Cables


This appendix provides system, port, and cabling specifications for the Cisco 827 routers.

System Specifications

Table A-1 outlines the system specifications for the routers.

Table A-1 System Specifications 

Description
Design Specification
Physical Dimensions
 

Dimensions (H x W x D)

2.0 x 9.7 x 8.5 in. (5.1 x 24.6 x 21.6 cm)

Weight (does not include desktop power supply)

Cisco 827-4V router: 1.5 lb. (0.68 kg)

Cisco 827H router: 1.48 lb. (0.67 kg)

Cisco 827 router: 1.48 lb. (0.67 kg)

Environmental Operating Ranges
 

Nonoperating temperature

-4 to 149°F (-20 to 65°C)

Nonoperating humidity

5 to 95%, relative humidity

Nonoperating altitude

0 to 15,000 ft (4570 m)

Operating temperature

32 to 104°F (0 to 40°C)

Operating humidity

10 to 85% relative humidity

Operating altitude

0 to 10,000 ft (3000 m)

Router Power (Cisco 827, 827-4V, and SOHO 77)
 

AC input voltage

100 to 250 VAC

Frequency

50 to 60 Hz

Power consumption

29W

Router Power (Cisco 827H and SOHO 77H)
 
AC input voltage

100 to 240 VAC

Frequency

50 to 60 Hz

Power consumption

15W

Telephone Port Power (Cisco 827-4V)
 

Voltage

-24V and -71V


For information on regulatory compliance, refer to the Regulatory Compliance and Safety Information for Cisco 827 Routers document that shipped with your router.


Warning  Ultimate disposal of this product should be handled according to all national laws and regulations.


Port Connector Pinouts

This section provides pinouts for the following connectors:

Ethernet—See Table A-2.

Console (for connecting a terminal or PC)—See Table A-3.

Telephone—See Table A-4.

ADSL—See Table A-5

Power—See Table A-6 and Table A-7.

Table A-2 shows the Ethernet connector pinouts for the Cisco 827-4V, Cisco 827, Cisco 827H, SOHO 77, and SOHO 77H routers.

Table A-2 Ethernet Connector Pinouts (RJ-45) 

Pin
Function
(TO HUB/TO PC Button -
IN Position)
Function
(TO HUB/TO PC Button -
OUT Position)

1

TX+

RX+

2

TX-

RX-

3

RX+

TX+

4

Unused

Unused

5

Unused

Unused

6

RX-

TX-

7

Unused

Unused

8

Unused

Unused


Table A-3 shows the Ethernet connector pinouts for the Cisco 827-4V, Cisco 827, Cisco 827H, SOHO 77, and SOHO 77H routers.

Table A-3 Console Connector Pinouts (RJ-45)

Pin
Function

1

RTS

2

DTR

3

TXD

4

GND

5

GND

6

RXD

7

DSR

8

CTS


The console port is configured as a data communications equipment (DCE) device. The default parameters for the console port are as follows:

9600 baud

Eight data bits

No parity

One stop bit

Table A-4 shows telephone connector pinouts for the Cisco 827-4V router.

Table A-4 Cisco 827-4V Router Telephone Connector Pinouts (RJ-11)

Pin
Function

1

Unused

2

Tip

3

Ring

4

Unused


Table A-5 shows ADSL connector pinouts for the Cisco 827-4V, Cisco 827, Cisco 827H, SOHO 77, and SOHO 77H routers.

Table A-5 ADSL Connector Pinouts (RJ-11)

Pin
Function

1

Loopback to pin 6

2

Unused

3

Tip

4

Ring

5

Unused

6

Loopback to pin 1


Table A-6 shows the power connector pinouts for the Cisco 827, Cisco 827-4V, and SOHO 77 routers.

Table A-6 Cisco 827, Cisco 827-4V, and SOHO 77 Power Connector Pinouts

Pin
Function

1

ROF

2

RTN

3

+12

4

-12

5

+5

6

RTN

7

-71

8

-24


Table A-7 shows the power connector pinouts for the Cisco 827H and SOHO 77H routers.

Table A-7 Cisco 827H and SOHO 77H Power Connector Pinouts

Pin
Function

1

ROF

2

RTN

3

AC_Lost

4

Unused

5

+5VF

6

RTN

7

Unused

8

Unused


Cabling Specifications

This section provides specifications for the following Ethernet cables, which you might need to provide:

Straight-through cables

Crossover cables

This section also provides information on Ethernet and telephone cable distance limitations. (Telephone cable connects a device to a telephone port.)

Ethernet Cable Specifications

Table A-8 lists the specifications for straight-through and crossover Ethernet cables.

Table A-8 Ethernet Cable Specifications

Type
Category
Shielding

10BASE-T

Category 3 or 5

Shielded twisted-pair (STP)

10BASE-T

-

Unshielded twisted-pair (UTP)


Maximum Cable Distances

Table A-9 provides the maximum distances of Ethernet and telephone cables that you can use to connect equipment to the router.

Table A-9 Maximum Cable Distances

Cable
Maximum Distance

Ethernet cables

328 ft (100 m)

Telephone cable

500 ft (152 m)