Nortel DMS-100 Series Maintenance Manual page 24

1-8 OPM maintenance summary
Only mount the DE-4E in the optional equipment shelf of the OPM-256.
Mounting kits required for the DE-4E Smart channel bank are:
•
•
•
The NT6X60 ringing generators of the OPMs can be used as the ringing source
of the DE-4Es for single coded 20 Hz application. For a diagram of the
OPM-256 cabinet layout, refer to the figure "Bay Frame Equipment Location,
OPM-256 NT8X01BA, BB".
297-8361-550 Standard 04.02 December 2004
NT0X1980. Use the NT0X1980 kit with an OPM-256 equipped with
4-pin protector blocks.
NT0X1981. Use the NT0X1981 kit with an OPM-256 equipped with
5-pin protector block and without a 50 ft cable stub.
NT0X1982. Use the NT0X1982 kit with an OPM-256 equipped with
5-pin protector block and 50 ft cable stub.