Extron electronic 168, 84, 88 Remote RS-232/RS-422 port, Reset button, 6 - RS-232/RS-422 connector

Installation, cont’d

Remote (RS-232/RS-422) port

5RS-232/RS-422 Remote connector — Connect a host device, such as a computer, touch panel control, or RS-232 capable PDA to the switcher via this 9-pin D connector for serial RS-232/RS-422 control (figure 2-6).

REMOTE

			Pin RS-232 Function			RS-422 Function
			1	—	Not used	—	Not used
		RS232/RS422	2	TX	Transmit data	TX–	Transmit data (–)
1			7	—	Not used	RX+	Receive data (+)
	6		4	—	Not used	—	Not used
5	9		5	Gnd	Signal ground	Gnd	Signal ground
			6	—	Not used	—	Not used
			8	—	Not used	TX+	Transmit data (+)
			9	—	Not used	—	Not used

Figure 2-6 — RS-232/RS-422 connector

See chapter 4, Programmer’s Guide, for definitions of the SIS commands (serial commands that you can use to control the switcher via this connector) and chapter 5, Matrix Software for details on how to install and use the control software.

The switcher can support either RS-232 or RS-422 serial communication protocol, and operate at 9600, 19200, 38400, or 115200 baud rates.

See Selecting the RS-232/RS-422 protocol and baud rate in chapter 3, Operation, to configure the RS-232/RS-422 port from the front panel.

If desired, connect an MKP 2000 or MKP 3000 remote control panel to the switcher’s RS-232/RS-422 connector. Refer to the “MKP 2000 Remote Control Panel User’s Manual” or the “MKP 3000 Remote Control Panel User’s Manual” for details.

Reset button

6Reset button — The Reset button initiates two levels of reset to the matrix

switcher. Press and hold the button while the switcher is running or RESET while you power up the switcher for different reset levels.

See Reset button in chapter 3, Operation, for details.

•Rear panel (mode 5) system reset — Press and hold the Reset button for 9 seconds then release and push again to clear all ties and presets, and reset all audio gains to 0 dB.

•Hard reset — Press and hold the Reset button while powering up the switcher to perform all of the mode 5 reset functions and restore the switcher to the default factory conditions.

Hard reset does not clear the current configuration.

2-6 CrossPoint 300 Matrix Switchers • Installation