Connecting ISDN PRI Network Modules to a Network 8-15
Connecting CE1/PRI-U Modules to the Network
Figure 8-19 2-Port Channelized E1/ISDN PRI Network Module (Unbalanced)
Connecting CE1/PRI-U Modules to the Network
To connect a CE1/PRI-U (75-ohm) module to the network, use the appropriate cable to
connect the CE1/PRI-U port to an E1 CSU. (See Figure 8-20.) The illustration shows a
CSU with BNC connectors.
Figure 8-20 Connecting a CE1/PRI-U Module to an E1 CSU
(DB-15-to-BNC Connectors)
LOOPBACK
CTRLR 0
EN
cE1-U
PRI
H8500
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
LOOPBACK
CTRLR 1
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
CE1/PRI-U ports
LOOP
BACK
EN
FE-PRI
1FE-1CE1-B/U
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
10/100BaseT
COLL
LINK
100Mbps
FDX
H7471
CE1/PRI-U
BNC connectors
E1 CSU
E1 cable for 75-ohm
unbalanced connections
with BNC connectors
at the network end
CTRLR 0