Remote Control Connection And Test - IBM 5594-1AX Installation And User Manual

These functions are obtained by opening a contact connected between the
appropriate pins of connector

"Remote control connection and test").

5
Remote control connection and test
Procedure
1. Check that the UPS is OFF and disconnected from the AC input source -- for
example, by turning off the utility power circuit breaker to which the UPS is
attached.
2. Remove connector
3. Connect a normally closed volt-free contact (60 V DC / 30 V AC max., 20 mA
max., 0.75 mm
connector
4. Plug connector
5. Connect and restart the UPS following the previously described procedures.
6. Activate the external remote shutdown contact to test the function. This
connector must be connected only to Safety Extra-Low Voltage (SELV) circuits.
on the rear panel of the UPS (see the figures in
.
2
(18 AWG) cable cross-section) between the two pins of
(see diagram).
into the back of the UPS.
Contact open: UPS shutdown
Contact closed: UPS start-up (UPS connected
to AC power and AC power is available)
Note: The local ON/OFF control using the
button overrides the remote-control
function.
Contact open: UPS shutdown, LED
ON.
To return to normal operation, deactivate the
remote external contact and restart the UPS
by pressing the button.
Chapter 4. Operation
goes
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