Mircom TX3 Series Manuale di Installazione Pagina 71

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NSL Relay Cabinet Installation and Wiring
Version 3.2
Telephone Access System Installation and Operation Manual
71 (122)
LT-969 Copyright 2015
5.3.2 Switches
SW1. Turns the unit’s power ON and OFF for servicing, or to re-start the unit.
SW2. Not used.
5.3.3 Jumpers
JW1. JW1 is used for updating firmware and is normally open.
JW2. JW2 is used for updating firmware and is normally open.
All other jumpers are not used.
5.3.4 Telephone Line
Each NSL control unit provides a single telephone line connection to the Lobby
Control Unit. See Figure 40 and Figure 41.
Each Lobby Control Unit panel can use any one of the five telephone lines on the
Lobby Control Unit Main Controller Board to communicate to an ADC
telephone system or to an NSL relay control unit.
There are many possibilities for connecting Entry Control panels and NSL
control units, but each main Lobby Control Unit requires one individual
telephone line to each NSL control unit.
Lobby Control Units connect to the NSL and control units through telephone
lines. Telephone lines are not connected to expansion units.
Expansion relay control units do not require an individual telephone line.
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