Cisco T3/E3 Network Module NM-1T3/E3= 데이터 시트

제품 코드

NM-1T3/E3=

Cisco Systems, Inc.

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Data Sheet

Cisco

T3/E3 Network Module

for Cisco 2600, 3600, and 3700 Series Routers

The Cisco T3/E3 Network Module provides high-speed WAN access for the Cisco

2600, 3600, and 3700 series routers. T3/E3 WAN access enables the network to carry

high volumes of data and rich multimedia content, while providing low latency for

voice over IP (VoIP).

Figure 1

Cisco T3/E3 Network
Module

Cisco’s Packet-over-T3/E3 network module

for the Cisco 2600, 3600, and 3700 series

offers the first software-configurable T3/E3

product from Cisco. This flexible network

module allows the customer to switch

between T3 and E3 applications with a

single Cisco IOS® command. This feature

provides customers with unparalleled

investment protection by allowing the

service provider or enterprise customer to

stock only a single product that can be

deployed internationally.

The demand for increased bandwidth has

led to growth in clear-channel T3/E3

deployment. This new Packet-over T3/E3

network module (part number NM-1T3/

E3) eliminates the need for an external data

service unit (DSU), reduces provisioning

costs, and provides highly manageable T3/

E3 line termination. The module provides

an integrated line interface unit (LIU) DSU

that allows T3 or E3 lines to be directly

terminated on a Cisco router, eliminating

the need for external DSU equipment. This

simplifies the T3/E3 line management,

reduces provisioning cost, and frees

valuable rack space.

Offering unprecedented flexibility in

provisioning clear-channel T3 or E3

connections, the Cisco T3/E3 network

modules provide support for the

proprietary subrate and scrambling features

of T3 DSU vendors Digital Link, Larscom,

and ADC Kentrox. Subrate support in the

Cisco T3/E3 Network Module maximizes

the utility of these products in service

provider environments for tiered DS3

services. By simultaneously supporting

interoperability with a wide range of

third-party DSU vendors, this network

module offers the flexibility to support

installed equipment without locking

customers into a proprietary solution.

The Cisco T3/E3 Network Module

provides direct connectivity to a T3 line

for full-duplex communications at the T3

rate of 44.736 MHz and full-duplex E3

communications at 34.368 MHz. Each T3

or E3 port consists of a pair of 75-ohm