Cable And Terminal Connections - NEC PASOLINK Training Course

NEC

Cable and Terminal Connections:

During cables and terminal connections, refer to the following connecting method.
Caution: Please pay attention not to load excessive force at BNC connector on IDU. In case of tying up cables
with BNC connectors in a bundle, please fix them on bay (or something support) within one meter length from
IDU.
(a) Connect baseband signal cable(s)
Align the BNC connector guide groove to the other connector guide ridge and turn the connector cap
clockwise fully until it is locked firmly.
(b) Connect IF signal cable
Connect the connector and tighten it by turning the tightening ring clockwise.
(c) Connect supervisory cable(s)
Take care to connect the D-sub connector the right way round and fix it with two screws (M3).
(d) Connect power supply cable
Take care to catch the Molex connector the right way round.
(e) Connect terminal
Take care to connect the D-sub connector the right way round and fix it with two screws (M3).
The following table shows pin assignment in the IDU and ODU.
Note: Use ISO standardized screw (mm unit) for D-SUB connector.
Interface Terminals and Jacks
January 2002
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PASOLINK installation procedure