Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 131

Chapter 7 Connecting ISDN PRI Network Modules
Figure 7-6
cT1
PRI
Connecting CT1/PRI Modules to the Network
To connect a CT1/PRI module to the network, use a DB-15-to-DB-15 T1 serial cable to connect the
CT1/PRI port to a T1 channel service unit (CSU). (See
Figure 7-7
FE–PR I
1FE-1 CT1
Channelized T1/ISDN PRI with CSU Network Modules
This section provides information about the following network modules for Cisco modular routers:
•
•
OL-2485-20
2-Port Channelized T1/ISDN PRI Network Module
CTRLR 1
CTRLR 0
CT1/PRI-U ports (DB-15)
Connecting a CT1/PRI Module to a T1 CSU
CTRLR 0
CT1/PRI port (DB-15)
T1 serial
cable
CT1/PRI port (DB-15)
1-port channelized T1/ISDN PRI with CSU network module (NM-1CT1-CSU or
CPANM-1CT1-CSU) (see
network module.
2-port channelized T1/ISDN PRI with CSU network module (NM-2CT1-CSU or
CPANM-2CT1-CSU) (see
network module.
Figure
10/100B aseT
EN
T1 CSU
Figure 7-8). This module is also referred to as the 1-port CT1/PRI CSU
Figure 7-9). This module is also referred to as the 2-port CT1/PRI CSU
Cisco Network Modules Hardware Installation Guide
Channelized T1/ISDN PRI with CSU Network Modules
EN
EN
7-7.) These ports are color-coded tan.
7-7