
2-28 Riverstone Networks RS 32000 Switch Router Getting Started Guide
Hardware Overview Introduction
2.4.11 Channelized T3 Line Card
The channelized T3 line card has 4 ports, each port connection consists of a pair of BNC connectors (transmit/receive
pairs). The line card also has an internal CSU/DSU. Each channelized T3 port has an associated test port, which
provides access to any of the T1 channels within a channelized T3 group. A total of 28 T1 lines on each T3 port are
available for the transmission of data. Figure 2-14 shows the front panel of the channelized T3 line card.
Figure 2-14 Front panel of channelized T3 line card
Status Indicators
Ejector
ONLINE
HOT
SWAP
OFFLINE
ONLINE
HOT
SWAP
OFFLINE
Tx
LPBK /
Alarm
Link /
Alarm
Rx
DS3
Tx
DS3
Rx
TEST PORT 1
TEST PORT
ACTIVE
Tx
LPBK /
Alarm
Link /
Alarm
Rx
DS3
Tx
DS3
Rx
TEST PORT 2
TEST PORT
ACTIVE
Tx
LPBK /
Alarm
Link /
Alarm
Rx
DS3
Tx
DS3
Rx
TEST PORT 3
TEST PORT
ACTIVE
Tx
LPBK /
Alarm
Link /
Alarm
Rx
DS3
Tx
DS3
Rx
TEST PORT 4
TEST PORT
ACTIVE
Tx
LPBK /
Alarm
Link /
Alarm
Rx
DS3
Tx
DS3
Rx
TEST PORT 1
TEST PORT
ACTIVE
R38-CT3DB-04
CT3
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