Metek Powervar GTS Serie Manuel De L'utilisateur page 19

To support these functions without the MopUPS Express software suite,
you will need to either buy or build your own special cable. The following
table describes the pin assignment of the RJ11 connector on the rear of
the UPM. Contact your computer supplier to determine the connection
configuration and connector style necessary to attach the cable to the
computer.
RJ11
Pin
1 Low Battery (Out)
2 AC Fail (Out)
3 No Connect
4 No Connect
Shutdown
5
Inverter
6 Common
NOTE:
1. Pins 1 and 2 are open collector outputs, which must be pulled
up to a common referenced supply. Switch rating: +40V, 0.15A
non-inductive.
2. Pin 6 should only be connected to ground.
NOTE:
You may, of course, connect your computer to the UPM without
using MopUPS Express. When power is lost, the UPM will beep
and you will have to manually shut down the computer and UPM.
A01-00030 Rev D
Signal Polarity/Function
Low (ON) when battery has less than 2
minutes remaining run time
When unit is on battery
Shutdown UPS (with 10 second delay)
when signal is High (present) for more
than 3 seconds and UPS is on Battery
Common (emitter) for other three signals
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