Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 130

Channelized T1/ISDN PRI Network Modules
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
Caution
connect the 1-port T1/E1 channelized PRI network modules with G.703 (NM-1CE1T1-PRI) and 2-port
T1/E1 channelized PRI network modules with G.703 (NM-2CE1T1-PRI) only to intrabuilding or
nonexposed wiring or cabling. The intrabuilding cable must be shielded and the shield must be grounded
at both ends.
Figure 7-4
Channelized T1/ISDN PRI Network Modules
This section provides information about the following network modules for Cisco modular routers:
•
•
Figure 7-5
cT1
PRI
Cisco Network Modules Hardware Installation Guide
7-6
Connecting a Channelized T1/E1 PRI Network Module with G.703 to a Networking Device
NM-1CE1T1-PRI
1-port channelized T1/ISDN PRI network module (NM-1CT1 or CPANM-1CT1) (see
This module is also referred to as the 1-port CT1/PRI network module.
2-port channelized T1/ISDN PRI network module (NM-2CT1 or CPANM-2CT1) (see
This module is also referred to as the 2-port CT1/PRI network module.
1-Port Channelized T1/ISDN PRI Network Module
CTRLR 0
CT1/PRI-U port (DB-15)
Chapter 7
RX TX
CD LP
MON MON
T1
RA
E1-BAL
C0 LA
E1-UNBAL
CTLR 0
EN
Connecting ISDN PRI Network Modules
AIM
EN
Figure
Figure
OL-2485-20
7-5).
7-6).