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Cisco Small Form-Factor Pluggable Ethernet-to-T3 Remote Bridge

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Product Overview

The Cisco® Small Form-Factor Pluggable (SFP) Ethernet-to-T3 Remote Bridge forwards Gigabit Ethernet packets to a WAN based on time-division multiplexing (TDM) at full-duplex T3 wire speed, fully using the expensive T3 TDM bandwidth to take advantage of existing DS3 linkage to provide an end-to-end Radio Access Network (RAN) backhaul solution.
SFP remote bridge applications include the following (Figure 1):

• Transparent LAN services over leased lines

• Remote branch-office connectivity over T3 lines

• Connection of LANs over T3 radio links or in campus applications

Figure 1. Cisco SFP Ethernet-to-T3 Remote Bridge Applications

Features and Benefits

• Supports standard generic framing procedure (GFP), High-Level Data Link Control (HDLC), and Cisco HDLC (cHDLC) encapsulation protocols

• Provides T3 connectivity to Ethernet

• Provides full-duplex, T3 wire-speed packet forwarding

• Supports 64- to 10,000-byte frame sizes for Gigabit Ethernet, including VLAN-tagged frames

• Transparently directs LAN traffic

Table 1 summarizes the main features and their specifications.

Table 1. Features

Feature

Specification

WAN Interface

Number of ports

1, configurable as T3

Transmit clock

Receive or internal clock

Data rate

44.736 Mbps

Framing

Framed (C-bit, M23), unframed

Line impedance

75 ohms, unbalanced

Cable length (maximum 22 AWG wire)

Up to 900 ft (275m)

LAN Interface

Type

Gigabit Ethernet port

Compliance

IEEE 802.3

Edge connector

SFP-based, multi-source agreement (MSA)-compliant

The SFP remote bridge is supported on the Ethernet Services Plus (ES+) line cards shown in Table 2.

Table 2. Platform Support

Part Number

Description

7600-ES+20G3C 

7600 ES+ Line Card, 20xGE SFP with DFC 3C 

7600-ES+20G3CXL 

7600 ES+ Line Card, 20xGE SFP with DFC 3CXL 

7600-ES+40G3C

7600 ES+ Line Card, 40xGE SFP with DFC 3C

7600-ES+40G3CXL 

7600 ES+ Line Card, 40xGE SFP with DFC 3CXL 

76-ES+T-40G

ES+ Low Queue 40 port GE - 3CXL 

76-ES+T-20G 

ES+ Low Queue 20 port GE - 3CXL 

76-ES+XC-40G3C 

7600 ES+XC Combo 20x1GE/ 2x10GE, DFC3C 

76-ES+XC-40G3CXL 

7600 ES+XC Combo 20x1GE/ 2x10GE, DFC3CXL 

76-ES+XC-20G3CXL 

7600 ES+XC Combo 10x1GE/ 1x10GE, DFC3CXL 

76-ES+XC-20G3C 

7600 ES+XC Combo 10x1GE/ 1x10GE, DFC3C 

Product Specifications

Table 3 shows the SPF remote bridge product specifications.

Table 3. Product Specifications

Description

Specification

Protocols
• GFP (G.8040 and G.7041/Y.1303
• HDLC
• cHDLC

Physical dimensions (HxWxD)
• Height: 12.4 mm (0.49 in.)
• Width: 14 mm (0.55 in.)
• Depth: 79 mm (3.11 in.)
• Weight: 15.0 g (0.5 oz)

Power

3.3V and 1.25W

Temperature range
• Temperature: -40 to 172°F (-40 to 78°C)
• Humidity: Up to 90%, noncondensing

Approvals and compliance

GR-499-CORE, T1.107, T1.404, G.703, G.704, G.775, and G.824

System Requirements

The SPF remote bridge requires ES+ line cards and Cisco IOS® Software Release 15.1(1)S and later for Cisco 7600 Series Routers.

Warranty Information

Find warranty information on Cisco.com at the Product Warranties page.

Ordering Information

To place an order, visit the Cisco Ordering homepage. To download software, visit the Cisco Software Center. Table 4 lists the ordering information.

Table 4. Ordering Information

Part Number

Product Name

CISCO-SFP-T3-GE=

Cisco SFP Ethernet to T3 Remote Bridge

Cisco Services

Cisco Services offers a wide range of services programs to accelerate customer success. These innovative services programs are delivered through a unique combination of people, processes, tools, and partners, resulting in high levels of customer satisfaction. Cisco Services offerings help you protect your network investment, optimize network operations, and prepare the network for new applications to extend network intelligence and the power of your business. For more information, see Cisco Technical Support Services or Cisco Advanced Services.

For More Information

For more information about the Cisco SFP Ethernet-to-T3 Remote Bridge, visit http://www.cisco.com/ or contact your local account representative.