1269 User Manual
Operating The 1269 3-5
Using Remote
Power On/Standby
Switching
Pin
Function
15
Remote INHIBIT*
7,11
Logic Ground (GND)
1.
Connect a user supplied cable (or
equivalent) between J415 (female 15
DSUB) and a remote switch, or open
collector driver. The switch (or driver)
should connect to J415 pin 15 (INHIBIT*)
and to one of the GND pins.
2.
Complete Steps in
Figure 3-3
Powering
On The
Mainframe.
3.
Place in
Standby
, DC power to
mainframe
off
, by closing remote switch
shorting pin J415-15 to Logic Ground
(INHIBIT* to GND) or by driving J415-15
to a TTL low with an open collector driver
which can sink 5mA of current. The OC
voltage at J415-15 is
#
30 VDC.
4.
Opening the remote switch (or
deasserting the open collector driver) re-
applies DC power to the mainframe
(
Power On
) provided the front power
switch is in the
on
position.
Figure 3-4, Using Remote Power On/Standby Switching
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