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Connecting Cisco ISDN PRI Network Modules to the Network
Channelized T1/ISDN PRI with CSU Network Modules
6
Connecting Cisco ISDN PRI Network Modules to the Network
Figure 7 Connecting a CT1/PRI Module to a T1 CSU
Channelized T1/ISDN PRI with CSU Network Modules
This section provides information about the following network modules for Cisco modular routers:
• 1-port channelized T1/ISDN PRI with CSU network module (NM-1CT1-CSU or
CPANM-1CT1-CSU) (see Figure 8). This module is also referred to as the 1-port CT1/PRI CSU
network module.
• 2-port channelized T1/ISDN PRI with CSU network module (NM-2CT1-CSU or
CPANM-2CT1-CSU) (see Figure 9). This module is also referred to as the 2-port CT1/PRI CSU
network module.
Figure 8 1-Port Channelized T1/ISDN PRI with CSU Network Module
LOOP
BACK
EN
FE–PRI
1FE-1CT1
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
CTRLR 0
10/100BaseT
COLL
LINK
100Mbps
FDX
H7468
CT1/PRI port (DB-15)
CT1/PRI port (DB-15)
T1 serial
cable
T1 CSU
LOOPBACK
EN
cT1
CSU
H7465
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
RX
OUT
RX
MON
CTRLR 0
TX
IN
Monitor and
test ports
(Bantam)
CT1/PRI CSU
port (RJ-48)