NMC-PRO Installation Manual
38Page
4.4.6.2 Wiring and Controller Setup
• Option A: RS-485
• Option B: RS-232
4.4.6.2.1 Option A: RS-485
Connect to Extension Unit
or SingleNet
If a situation occurs where
the controller no longer has
power (power is off) the
backup battery that is
connected to this card
through this connector,
allows for a single SMS to be
sent for notification of this