Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 133

Chapter 7 Connecting ISDN PRI Network Modules
Channelized E1/ISDN PRI Balanced (120-Ohm) Network
Modules
This section provides information about the following network modules for Cisco modular routers:
•
•
Figure 7-11 1-Port Channelized E1/ISDN PRI Network Module (Balanced)
cE1-B
PRI
Figure 7-12 2-Port Channelized E1/ISDN PRI Network Module (Balanced)
cE1-B
PRI
CE1/PRI modules are available with one or two E1 ports and with balanced or unbalanced interfaces.
These modules receive and transmit data bidirectionally at the E1 rate of 2.048 Mbps, and provide up to
30 virtual channels per E1 port. Each channel can be configured individually as a serial interface.
OL-2485-20
1-port channelized E1/ISDN PRI balanced (120-ohm) network module (NM-1CE1B or
CPANM-1CE1B) (see Figure
network module.
2-port channelized E1/ISDN PRI balanced (120-ohm) network module (NM-2CE1B or
CPANM-2CE1B) (see Figure
network module.
CTRLR 0
CE1/PRI-B port
CTRLR 1
CTRLR 0
CE1/PRI-B ports
Channelized E1/ISDN PRI Balanced (120-Ohm) Network Modules
7-11). This module is also referred to as the 1-port CE1/PRI-B
7-12). This module is also referred to as the 2-port CE1/PRI-B
Cisco Network Modules Hardware Installation Guide
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