H3C MSR Router Comware 5 Series Manual page 180

Connecting a 4-port E1 75-ohm cable (D25 <----> D15)
Connect the D25 connector of the 4-port E1 75-ohm cable to the D25 interface of the interface
1.
module and fasten the bolts to fix the cable.
The other end of the cable provides four D15 connectors. Connect them to the D15 interfaces
2.
on the remote device as needed.
Figure 176 Connect an 4-port E1 75-ohm cable
E1 / E1-F
(75ohm)
Connecting a 1-port E1 120-ohm cable (D15 <----> RJ-45)
Connect the D15 connector of the E1 120-ohm cable to the D15 interface on the interface
1.
module and fasten the bolts to fix the cable.
The other end of the cable provides one or multiple RJ-45 connectors. Connect them to the
2.
RJ-45 interface on the remote device as needed.
Figure 177 Connecting an E1 120-ohm cable
Connecting a 4-port E1 120-ohm cable (D25 <----> D15)
Connect the D25 connector of the 4-port E1 120-ohm cable to the D25 interface on the interface
1.
module and fasten the bolts to fix the cable.
The other end of the cable provides four D15 connectors. Connect them to the D15 interface on
2.
the remote device as needed.
4-port E1 75-ohm cable 1-port E1 75-ohm cable
RX
TX
171
TX
Device
(75ohm E1 Port)
RX