A SERVICE OF

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14
DRY CONTACT INTERFACE:
This female DB9 contact-closure port allows your UPS to send contact-closure signals
to indicate that it is on battery back-up mode and if its batteries are running low. The
port can also receive a remote shutdown signal.
Pin assignment:
DRY CONTACT INTERFACE TABLE
UPS Operating Pin 8,3 Pin 1,3
Mode
Normal OPEN OPEN
Back Up CLOSE *
Low Battery CLOSE CLOSE
* Inactive: may be in either state.
REMOTE EMERGENCY POWER OFF:
This RJ11 modular jack allows remote emergency shutdown.
Pin assignment (SU6K Shown)
If there is a short between pins 2 and 3, 2 and 5, 4 and 5, or 3 and 4, the UPS will
power off.
BACK-UP
THE REMOTE SH
U
SIGNAL FROM E
X
NO
NCCOM
NO
NCCOM
Imin.>3.3mA
THE SIGHAL
FROM COMPUTER
LOW BATTERY
THE MAXIMUN CAPACITY OF DRY CONTACT:
AC 250V/3A
DC 30V/3A
>2 sec
12 V
0
¡Ó3V
REMOTE SHUTDOWN SIGNAL
FROM EXTERNAL
SIGNAL FROM
COMPUTER
MAXIMUM CAPACITY OF DRY CONTACT:
AC 250V/3A
DC 30V/3A
1
2
3
4
5
6
X
X
12V
1K
ON LINE
MODE
ECONOMY
MODE
Pin 1