Black Box Black Box ServSwitch Wizard VGA (USB) Channel switching by external control, Options

Chapter 3: Installation

3.2.4 Channel switching by external control

The OPTIONS port allows external control of the current channel by commands sent either via RS-232 serial input or by switching one of the four channel select input lines. For more details about the necessary RS-232 serial cable, see Appendix C.

3.2.4.1 OPTIONS port pinout

The OPTIONS port can accept either 8p8c or 10p10c connectors, as required. See Figure 3-13.

			8p8c	10p10c	Signal
1		10		1	Channel select input 1
			1	2	5VDC power output (100mA max)
			2	3	GND reference for all signals
			3	4	RS232 (RXD) data receive
			4	5	RS232 auxiliary data transmit (reserved)
			5	6	RS232 auxiliary data receive (reserved)
	OPTIONS
			6	7	RS232 (TXD) data transmit
			7	8	Channel select input 2
			8	9	Channel select input 3
				10	Channel select input 4

Figure 3-13. Signal and power pin-outs on the OPTIONS port

To connect a computer or device for remote control

1 Insert the 8p8c or 10p10c connector of the cable to the OPTIONS port on the rear panel of the unit. See Figure 3-14.

USER

CONSOLE

OPTIONS

4

Figure 3-14. Link cable to the OPTIONS port on the rear panel.

2 Connect the other end of the cable to a vacant serial port on the computer or to the output of the switching device.

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