Extron electronic MTPX Plus Series Selecting the rear panel Remote port protocol and baud rate

Operation, cont’d

3. To change an input’s audio/RS-232 wire pair configuration, press and release the input button to toggle that input’s configuration (figure 3-70).

Press and release the Input 8 button to toggle the configuration of input 8’s audio/RS-232 wire pair (to audio, in this example).

INPUTS

1 2 3 4 5 6 7 8 9 16

Figure 3-70 — Audio/RS-232 selection

4.	Press and release an output button to exit the Serial Port and Audio/RS-232
	Input Configuration mode (figure 3-71).
	Press and release	All Control, I/O, Input, and Output buttons
		return to unlit or background illumination.
	an output button.
		C O N T R O L	I / O

5 ENTER PRESET VIEW ESC VIDEO AUDIO

Figure 3-71 — Exit Serial Port and Audio/RS-232 Input Configuration mode

Selecting the rear panel Remote port protocol and baud rate

NThe Remote port settings are protected when front panel Lock mode 2 is selected. You can view the settings in Lock mode 2 but you cannot adjust them from the front panel. See “Setting the front panel Locks (Executive modes)” on page 3-46.

The switcher can support either RS-232 or RS-422 serial communication protocol,

and can operate at 9600, 19200, 38400, and 115200 baud rates. The settings of these variables can be viewed and changed from the front panel.

View and configure the switcher’s serial communications settings as follows:

1.	To enter Serial Port and Audio/RS-232 Input Configuration mode, simultaneously
	press and hold all Control buttons (Enter, Preset, View, and Esc) (figure 3-72).

Press and hold the Enter, Preset,

View, and Esc buttons.

C O N T R O L

C O N T R O L I / O

ENTER	PRESET	VIEW	ESC	2 seconds		VIEW	ESC
				ENTER	PRESET			VIDEO	AUDIO

NOTE The Input buttons indicate the configuration of the secondary wire pairs. See “Selecting the TP wire pair secondary input”, earlier in this chapter.

• All Control buttons light with	• Both I/O buttons light
one flashing.	with one flashing.

The flashing Control button indicates the baud rate as follows:

Enter — 9600	Preset — 19200
View — 38400	Esc — 115200

The flashing I/O button indicates the protocol as follows:

Video — RS-232 Audio — RS-422/RS-485

In this example, the port is set to RS-232 at 9600 baud.

Figure 3-72 — RS-232/RS-422 and baud rate display

3-50 MTPX Plus Twisted Pair Matrix Switchers • Operation