Mircom TX3 Series - Figure 39 NSL Expanders

72 (119) Telephone Access System Installation and Operation Manual Version 3.7
LT-969 Copyright January 2017
NSL Relay Cabinet Installation and Wiring
The expanders allow a total of 16 backplanes to be installed, allowing for up to
1535 relays.
Note: The TX3-NSL-8M and any TX3-8EC and/or TX3-16EC must all
be adjacent to each other, mounted on the same wall and in the same
room.
Figure 39. NSL Expanders
Each slot
accepts a
2012 NSL
Relay
Board
TX3-NSL-8M
NSL Unit
TX3-8EC NSL
Relay Backplane Expander
TX3-16EC NSL
Relay Backplane Expander