Cisco 3600 Series

1-Port Fast Ethernet and 2-Port Channelized E1/ISDN PRI Balanced (120-ohm) or Unbalanced (75-ohm)
Cisco Network Modules Hardware Installation Guide
5-10
Figure 5-11 Connecting a CE1/PRI-B Port to an E1 CSU (DB-15-to-Twinax
Connectors)
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
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