A SERVICE OF

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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 assipnment;
lmin.U.3mA
LOW
BATTERY
I
-
b
COY
NC
If
I
C
1
I
REMOTE
SHUTDOWN
FROM
EXTERNAL
I
SIGNALFROM
I
COMPUTER
.'
!
MAXIMUM CAPACITY
OF
DRY CONTACT:
AC250Vn4
DC30vnA
DRY
CONTACT INTERFACE TABLE
REMOTE EMERGENCY POWER OFF:
This
RJ
11
modular jack allows remote emergency shutdown.
UPS Operating
Mode
Normal
Back Up
Low Battery
Pin assignment
lSU6K
Shown]
SIGNAL
*
Inactive:
may
be
in
either state.
Pin
8,3
OPEN
CLOSE
CLOSE
Pin
1
Pin
1,3
OPEN
CLOSE
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.