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7
SS 2.1 MLR/BNC Installation and Operation Manual
INSTALLATION
Configuration DIP-switch Setup
Follow the tables below for configuration options.
Unit ID
SW5-1
SW5-2
ID 0 *
OFF
OFF
ID 1
ON
OFF
ID 2
OFF
ON
ID 3
ON
ON
Baud Rate
SW5-3
SW5-4
2400
ON
OFF
9600 *
OFF
OFF
19200
OFF
ON
38400
ON
ON
Power Up
SW5-5
User selected
ON
Last source selected* OFF
Note: To select an input at power-up with SW5-5 ON, hold down the push-but-
ton for the desired input channel or mute until the front panel LED’s flash.
Operation
SW5-6
SW5-7
Normal *
OFF
OFF
Sustained
ON
OFF
Not Used
OFF
ON
Toggle
ON
ON
• Normal operation mode: Pulse 1-IN to select channel 1, Pulse IN-2 to select
channel 2, or pulse the “M-IN” (mute) pin to turn off both channels.
• Sustained operation mode: Hold IN-2 low to select channel 2.
• Toggle operation mode: Alternately pulse 1-IN to select between the two channels.
Note: After changing any dipswitch, please repower the unit.
Note: * Denotes factory setting.
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. Select the desired address for each unit using
the configure DIP-switches. Never duplicate addresses. The default protocol is as
follows: 9600, N, 8, 1 (other baud rates are user selectable).