Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 135

Chapter 7 Connecting ISDN PRI Network Modules
Figure 7-14 Connecting a 120-ohm CE1/PRI-B Module to an E1 CSU (DB-15-to-Twinax Connectors)
Figure 7-15 Connecting a 120-ohm CE1/PRI-B Module to an E1 CSU (DB-15-to-RJ-45 Connectors)
FE-PR I
1FE-1 CE1-B /U
Channelized E1/ISDN PRI Unbalanced (75-Ohm) Network
Modules
This section provides information about the following network modules for Cisco modular routers:
•
•
OL-2485-20
FE-PR I
1FE-1 CE1-B /U
CTRLR 0
CE1/PRI port (DB-15)
E1 cable for 75-ohm
balanced connections
with twinax connectors
at the network end
CTRLR 0
CE1/PRI port (DB-15)
E1 cable for 120-ohm
balanced connections
with an RJ-45 connector
at the network end
1-port channelized E1/ISDN PRI unbalanced (75-ohm) network module (NM-1CE1U or
CPANM-1CE1U) (see Figure
network module.
2-port channelized E1/ISDN PRI unbalanced (75-ohm) network module (NM-2CE1U or
CPANM-2CE1U) (see Figure
network module.
Channelized E1/ISDN PRI Unbalanced (75-Ohm) Network Modules
10/100B aseT
EN
Twinax connectors
10/100B aseT
EN
RJ-45 jack
7-16). This module is also referred to as the 1-port CE1/PRI-U
7-17). This module is also referred to as the 2-port CE1/PRI-U
Cisco Network Modules Hardware Installation Guide
E1 CSU
7-11