2 1-Port and 2-Port ISDN-PRI Network Module Configuration Note
•
2-port channelized E1/ISDN-PRI balanced (120-ohm) network module, Cisco product number
NM-2CE1B or CPANM-2CE1B. (See Figure 6.) This module will also be referred to as the
2-port CE1/PRI-B network module.
•
1-port channelized E1/ISDN-PRI unbalanced (75-ohm) network module, Cisco product number
NM-1CE1U or CPANM-1CE1U. (See Figure 5.) This module will also be referred to as the
1-port CE1/PRI-U network module.
•
2-port channelized E1/ISDN-PRI unbalanced (75-ohm) network module, Cisco product number
NM-2CE1U or CPANM-2CE1U. (See Figure 6.) This module will also be referred to as the
2-port CE1/PRI-U network module.
Unless specifically identified, references to PRI modules in this configuration note include all these
network modules.
Figure 1
1-Port Channelized T1/ISDN-PRI Network Module
Figure 2
2-Port Channelized T1/ISDN-PRI Network Module
Figure 3
1-Port Channelized T1/ISDN-PRI with CSU Network Module
LOOPBACK
CTRLR 0
EN
cT1
PRI
H7462
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
CT1/PRI LEDs
Enable LED
LOOPBACK
CTRLR 0
EN
cT1
PRI
H7463
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
LOOPBACK
CTRLR 1
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
CT1/PRI LEDs
Enable LED
CT1/PRI LEDs
LOOPBACK
EN
cT1
CSU
H7467
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
RX
OUT
RX
MON
CTRLR 0
TX
IN
CT1/PRI-CSU LEDs