C.2 atm network modules, C.2.1 100 mbps taxi module – Cabletron Systems SFCS-200WG User Manual

Page 131

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C-5

Hardware Specifications

C.2

ATM Network Modules

The LAN and WAN network modules are the physical ATM port interface
cards that provide LAN/WAN connectivity to other ATM switches, ATM-
compatible desktop computers and servers, hubs, routers, multiplexers, and
carrier ATM services. Currently, network modules are available to provide
ATM connections ranging from 1.5 Mbps to 622 Mbps over both fiber-optic
and copper media.

This section details the technical specifications for each of the network mod-
ules. All network modules are hot-swappable, reducing network and mainte-
nance downtime. For complete information about hot-swapping network
modules, please refer to Chapter 3, Hardware Maintenance Procedures, in
this manual.

C.2.1 100 Mbps TAXI Module

The following specifications apply to network modules NM-6/100SCC and
NM-6/100STC:

Description

Specification

Port Capacity

Six TAXI ports per module

Data Rate

100 Mbps

Output Buffer

13,312 cell capacity

Media

Multimode fiber

Max. Line Length

~2 km

Connectors

ST or dual SC

Line Encoding

4B/5B

Loopbacks

Transmit and receive loopbacks

Power

-14 to -20 dBm transmit, -14 to -30 dBm receive,
0 to 10 dB path attenuation

Core Diameter

62.5

µ

m

Fiber Diameter

125

µ

m

Wavelength

1310 nm

Statistics

TAXI statistics including Header Check
Sequence (HCS) errors

Compliance

ATM Forum TAXI UNI v3.1, ITU-T I.432, ANSI
X3T9.5, ISO DIS9314-3

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