Cisco 2600 Series Operation Manual page 47

Connecting Fast Ethernet Channelized E1 Modules to the
Network
In addition to the Fast Ethernet connection (see Figure 5-3), connect one of the following:
•
CE1/PRI-B Port on page 5-9
•
CE1/PRI-U Port on page 5-11
CE1/PRI-B Port
Use the appropriate cable to connect a CE1/PRI-B (120-ohm) port to an E1 CSU. (See
Figure 5-10, Figure 5-11, and Figure 5-12, showing DB-15, twinax, and RJ-45 CSUs
respectively.)
Figure 5-10
FE-PR I
1FE- 1CE1 -B/U
Connecting Fast Ethernet Channelized E1 Modules to the Network
Connecting a CE1/PRI-B Port to an E1 CSU (DB-15-to-DB-15
Connectors)
CTRLR 0
CE1/PRI-B (DB-15)
E1 cable for 120-ohm
balanced connections
with a DB-15 connector
at the network end
DB-15 connector
Connecting Fast Ethernet PRI Network Modules to a Network 5-9
10/100B aseT
EN
E1 CSU