Rose Electronics Remote Control Switch - Manual (Page 7)

9. Attach the DB9 connector of the CAB-ATRX cable to the mating
DB9 connector on the remote control switch. Attach the RJ12
connector of the CAB-ATRX cable to the RS232 RJ45 connector on
the UMC _x4 card in the UltraMatrix chassis.
10. UltraMatrix firmware must be MX25 or greater which is able to
accept 'kmc<1|2|3|4>s' serial commands.
11. UltraMatrix Serial Control Protocol must be set to ‘STANDARD’.
12. Press one of the CPU select buttons on the remote control switch to
connect to the corresponding computer. There is a slight delay
while the UltraMatix changes connection before the LED illuminates.
The LED indicates actual connection made whether it occurred by
the remote control switch, keyboard command, or by another user.
In the case where connection to a cpu not supported by any of the
buttons is made, all LEDs will be off.
PROGRAMMING
By default, RCS buttons 1 through 4 are programmed to select computers
connected to ports 1 through 4 on the UltraMatrix. This may be changed to
any valid ports on the UltraMatrix.
To program the RCS
1. Remove power to the RCS.
2. Using a keyboard, connect the UltraMatrix to the computer port that
is to be controlled by the RCS.
3. While holding down all four buttons apply power to the RCS.
4. Release all four buttons on the RCS.
5. Within 3 seconds, press the button on the RCS that will be used to
select the currently connected port.
6. The RCS will save assigned ports to non-volatile memory until
reprogrammed.
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