Options port pinout | Black Box ServSwitch Freedom, KV0004A manual

Chapter 3: Installation

3.3.4 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.

3.3.4.1 OPTIONS port pinout

The OPTIONS port can accept either 8p8c or 10p10c connectors, as required. See Figure 3-7.

			8p8c	10p10c	Signal
1		10		1	Channel select input 1
			1	2	5VDC power output (100mA max)
			1	2	5VDC power output (100mA max)
			2	3	GND reference for all signals
			3	4	RS-232 (RXD) data receive
			4	5	RS-232 auxiliary data transmit (reserved)
			4	5	RS-232 auxiliary data transmit (reserved)
			5	6	RS-232 auxiliary data receive (reserved)
	OPTIONS		5	6	RS-232 auxiliary data receive (reserved)
	OPTIONS		6	7	RS-232 (TXD) data transmit
			6	7	RS-232 (TXD) data transmit
			7	8	Channel select input 2
			8	9	Channel select input 3
				10	Channel select input 4

Figure 3-7. Signal and power pin-outs on the OPTIONS port.

To connect a computer or device for remote control

The cable link from the computer needs to connect the transmit (TXD) line of the computer to the receive (RXD) input of the unit and also link the ground terminals (GND) of the two devices. See Appendix C for details.

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

5V 2.5A

I
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DO		OR
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OPTIONS

Figure 3-8. 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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KV0004A-XTRA-LED, KV0004A-LED, ServSwitch Freedom, KV0004A specifications

The Black Box KV0004A and its variants, including KV0004A-XTRA-LED and KV0004A-LED, are advanced KVM (Keyboard, Video, Mouse) switches designed to streamline the management of multiple servers and computers from a single console. These devices are pivotal for IT professionals and data centers, providing efficient control over several systems, thereby optimizing workflow and enhancing productivity.

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