Extron electronic MLC 52 manual Operation, cont’d, Mm connector cable for the configuration port

Operation, cont’d

2Input selection buttons — These buttons are preprogrammed to select input sources. By default, they are in input mode; that is, only one of them may be selected at a time. If you want these buttons to operate independently of each other, use the Windows-based control software to remove the group configuration from them.

The input buttons are prelabeled for convenience. You can relabel them using the other labels that are provided. See “Replacing button labels” in chapter 2, “Installation,” for the relabeling procedure.

3Configuration port — This port is used for configuring and communicating with the MLC. Through this port, the MLC receives commands issued via the Windows-based configuration software on your computer.

Use a 2.5 mm TRS to 9-pin D-sub connector cable to connect the MLC to your PC via this 2.5 mm female TRS connector.

This cable is an optional accessory that can be ordered from Extron (part #70-335-01)

The protocol for this configuration port is as follows:

•9600 bits/second

•8 data bits

•1 stop bit

•No parity

1 6

5

9

Tip

Ring

Sleeve (Gnd)

9-pin D	Connection	TRS Plug
Pin 2	Computer's RX line	Tip
Pin 3	Computer's TX line	Ring
Pin 5	Computer's signal ground	Sleeve

2.5 mm connector cable for the configuration port

See chapter 5, “Serial Communication,” for details about using the configuration software to set up the system, and about downloading drivers.

4Volume adjustment buttons — (Standard MLC 52 IR and MLC 52 RS only) These two buttons are used to adjust the volume of the projector or display up and down.

If your A/V system does not require the volume up and down function (for example, if the MLC is configured with the VC faceplate containing the volume control knob), you can reprogram these buttons for input selection or additional display device functions.

The volume buttons are prelabeled for convenience. They can be changed to other labels that are provided. See “Replacing button labels” in chapter 2, “Installation,” for the procedure.

5Volume control knob — (MLC 52 IR VC and MLC 52 RS VC only) The volume control knob on the VC models enables you to adjust the volume of the display device via the MPA or other power amplifier.

3-4 MLC 52 Series MediaLink Controllers • Operation