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Installation and Configuration
2–20 TM-XR9B-01XN
Remote/Local Operation
Remote/Local Mode Startup
The power supply can be set to start-up in remote or local mode. To
change this setting, the PON REM jumper must be adjusted according to
Table 2-9. You will need to remove the cover to change any jumpers. See
“Changing Internal Jumpers” on page 2–8 for information on how to
change internal jumper settings.
See Table 2-9 for the switch settings.
With the PON REM jumper open, the power supply will start up in
remote mode. The green REM LED on the front panel will be lit,
signaling that the power supply is under the control of the digital interface
card. The output of the power supply is active on startup. To promote load
safety, power ON defaults are zero for the output voltage and current
limit, and 110% of maximum output voltage for the OVP trip point. See
Table 2-10. Refer to “Operation” for more information about the interface
commands listed in the table.
If the PON REM jumper is closed, the power supply will power up in
local mode. Power supply control is at the front panel. During an
operating session, you can toggle between local mode and remote mode
by using the front panel LOCAL button or sending commands as
described in Table 2-10.
Table 2-9
Jumper J2 Remote/Local Start-up Settings.
open (default) Unit in remote mode
closed Unit in local mode
Note: The default setting for this jumper is open. If you require it to be closed
(PON in local mode) you can obtain a spare jumper by removing the one that
connects pins 11 and 12 on J2 as these pins are unused.
TM-XR9B-01XN.book Page 20 Monday, April 19, 2004 9:00 AM