Smudger105e
Member
Does anyone on here know how the secondary dooerlocking on mk2 coaches is communicated from one vehicle to the next? Is it through the TDM jumpers? Thanks.
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central door locking
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R
RailUK Forums
You mean the RCH jumper cables, mk2s dont have TDM cables, but yes I do believe they use a spare wire on the existing cables.
Smudger105e
Member
Sorry, yes, I did mean the RCH (Railway Clearing House) jumpers, TDM (Time-division multiplexing) is a method of transmitting the data for locomotive control through the RCH jumpers.
I am currently working as a contractor on vehicles which have the panel for operating SDL (secondary door locking) but the TDM systems have been removed. I was trying to find out if the two are inter-dependant, i.e. will the CDL controls still work through the RCH jumpers?
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