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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 µm
Fiber Diameter 125 µm
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