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msf 5000-- TRN7171A

Posted: Sat Jul 24, 2010 5:15 am
by nyctasslkcc
Please help.

I need to ID a module in the expansion tray--"TRN7171A"

This is a trunking simulcast radio system in NY area. We have analog 800MHz msf5000 base stations, each of which is equipped with external reference frequency, Trunked Control Module, and an expansion tray. In the expansion tray, it has two modules--a spectra TAC encoder, and the module, model# "TRN7171A".

What is it? It has one pot only, R2333. what is that for? please inform as detail as possible.

Much thanks

O(n)J(ob)T(raining)