ATL Telecom OM25 - Manual (Page 58)

ATL User Guide
OM25 O
Optical M Modem
58
8.6.4 SC CONNECTOR
Align the key on the connector plug with the keyway in the top of the optical connector (on the
rear panel). Gently push the plug into the connector until an audible ‘click’ is heard.This type if
plug is fitted with an anti pull out feature, this prevents the accidental removal of the plug from
the connector.
SC Connector
8.7 INTERFACE CONNECTIONS
8.7.1 G.703 120 OHM INTERFACE
The G703 120 Ohm connector on the OM25 is an 8-way RJ45 socket
8.7.2 G.703 75 OHM INTERFACE
Two BNC connectors are used on the back of the unit to give the 75-ohm connection
Ω
3 screen
4 RxA
2 TxB
1 TxA
5 RxB
6 screen
7 n.c.
8 n.c.
2 1 3 4 5 6 7 8