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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:
L O W B A T T E R Y
N O
C O M
N C
MAXIMUM CAPACITY OF DRY CONTACT:
T H E M A X IM U N C A P A C IT Y O F D R Y C O N T A C T :
AC 250V/3A
A C 2 5 0 V /3 A
DC 30V/3A
D C 3 0 V /3 A
DRY CONTACT INTERFACE TABLE
UPS Operating
Mode
Normal
Back Up
Low Battery
* Inactive: may be in either state.
REMOTE EMERGENCY POWER OFF:
This RJ11 modular jack allows remote emergency shutdown.
Pin assignment (SU6K Shown)
1 2V
X
1 K
X
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.
B A C K -U P
N O
C O M
N C
T H E S IG H A L
SIGNAL FROM
COMPUTER
F R O M C O M P U T E R
Pin 8,3
Pin 1,3
OPEN
OPEN
CLOSE
*
CLOSE
CLOSE
ON LINE
MODE
ECONOMY
MODE
1
2
3
4
5
6
Im in.>3.3m A
REMOTE SHUTDOWN SIGNAL
T H E R E M O T E S H U
FROM EXTERNAL
S IG N A L F R O M E X
>2 sec
12 V
¡Ó 3V
0
Pin 1
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