Specifications

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9
SS 4.1 MLR Installation and Operation Manual
OPERATION
SERIAL OPERATION
RS-232 Control
Connect one end of the modular cable to the RJ11 jack on the rear panel of the prod-
uct and the other end to the RJ11 to the jack on the “S9” 9-pin female D-sub adapter.
Connect the 9-pin female D-sub “S9” adapter to the COM port of the controlling PC.
Note: An optional USB to RS-232 adapter cable may be required if your PC isn’t
equipped with a RS-232 COM port. The default protocol is as follows: 9600, N, 8, 1
(other baud rates are user selectable).
Select the desired unit ID address for each unit using the configure Dip-switches,
zero is the factory default setting. Never duplicate addresses.
Modular connector’s point of view.
Serial Commands
The switcher may be controlled and monitored by burst serial strings or by the
embedded menu.
Where the < * > Denotes start of string character
< u > Unit ID (address, 0 through 7)
< ii > Input channel (01, 02, 03, 04 or M (MUTE)).
< o > Output channel (1)
*uii - Turn on input ii
*uMA - Mute output
*uMM - Go to setup menu, see menu operation section of the manual for more
information.
Examples: *004 This string would turn on channel 4 for unit ID 0.
*0MM Accesses the setup menu. (NOTE: The setup menu times out
after 60 seconds of keyboard inactivity).
*POLL Returns unit ID address in appropriate time slot.
*uSL Sends audio status for all inputs: SuLo,x,x,x,x<CR><LF>
*uSPii Sends PIP status for input ii: SuP,ii,x
*uSPA Sends PIP status for all inputs: SuP,A,x,x,x,x<CR><LF>
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RJ-11 Adapter.
Pin Number.
4
3
2
DB-9 Female.
Pin Number.
3
2
5
Product’s point of view
Function Name.
RS-232 Receive
RS-232 Transmit
Ground