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CHAPTER 4. Module and Internal Option Card Installation
WT3-1C (Channelized DS3 Network Module)
This module provides a single Digital Signal level-3 (DS3) port, operating at
44.736 Mbps. The DS3 serial data is channelized as either 28 independent T1
links or as 21 independent E1 links. Each T1 or E1 link is further channelized
into 24 or 32 timeslots, respectively.
The module connects into the router subsystem.
LED
RDY
LNK
This module is typically connected as shown below:
54
RDY LNK
Figure 4.26 WT3-1C Module
Indication
& Color
Solid-green
The solid-green indicate that the module has passed
its self-test and is available to the router.
Off
In the status of power-down or card-remove.
Green
Port is online with no alarms or failures. CD
Amber
Port is online with alarms or remote failures. AIS,
RDI/RAI
Red
Port is active with a local alarm; failure detected.
LOS, OOF
Off
Port is not enabled.
Figure 4.27 Connecting the WT3-1C Network Module
CT3
CT3
TX
Description
RX
WT3-1C
© SAMSUNG Electronics Co., Ltd.
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