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Connecting Cisco ISDN PRI Network Modules to the Network
Channelized E1/ISDN PRI Balanced (120-Ohm) Network Modules
9
Connecting Cisco ISDN PRI Network Modules to the Network
Figure 13 Connecting a 120-ohm CE1/PRI-B Module to an E1 CSU (DB-15-to-DB-15 Connectors)
Figure 14 Connecting a 120-ohm CE1/PRI-B Module to an E1 CSU (DB-15-to-Twinax Connectors)
Figure 15 Connecting a 120-ohm CE1/PRI-B Module to an E1 CSU (DB-15-to-RJ-45 Connectors)
LOOP
BACK
EN
FE-PRI
1FE-1CE1-B/U
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
10/100BaseT
COLL
LINK
100Mbps
FDX
H7470
CE1/PRI-B (DB-15)
DB-15 connector
E1 CSU
E1 cable for 120-ohm
balanced connections
with a DB-15 connector
at the network end
CTRLR 0
LOOP
BACK
EN
FE-PRI
1FE-1CE1-B/U
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
CTRLR 0
10/100BaseT
COLL
LINK
100Mbps
FDX
H7473
CE1/PRI port (DB-15)
Twinax connectors
E1 CSU
E1 cable for 75-ohm
balanced connections
with twinax connectors
at the network end
LOOP
BACK
EN
FE-PRI
1FE-1CE1-B/U
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
10/100BaseT
COLL
LINK
100Mbps
FDX
H7472
CE1/PRI port (DB-15)
RJ-45 jack
E1 cable for 120-ohm
balanced connections
with an RJ-45 connector
at the network end
CTRLR 0