
66
As a best practice, install a special lightning arrester at the input end of its connection cable to obtain
better lightning protection when the cable is led outdoors. For more information about lightning
arrestor, see the installation guide.
To connect the 4E1/8E1 splitter cable:
1.
Plug the DB-68 end of the 75-ohm 4E1/8E1 splitter cable to the DB-68 interface of the interface
module and then fasten the screws.
2.
Examine the sequence number on the BNC connector and Tx/Rx mark on the other end of the
cable.
If the 75-ohm 4E1/8E1 splitter cable need not be extended, you can connect the BNC
connector of the cable to the peer device directly.
Figure 66 Connecting the 4E1/8E1 splitter cable (1)
If the 75-ohm 4E1/8E1 splitter cable need be extended, you can connect the BNC connector
of the cable to the coaxial cable connector and connect the other end of the coaxial cable
connector to the peer device through a 75-ohm E1 trunk cable.
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