EverFocus EKR-KB1 operating instructions Ademco multiplexer, Description

5.18 Ademco multiplexer

5.18.1 Description

The Ademco AXMD16E / AXCD16EX digital multiplexer can be used to connect 16 video inputs that are digitised and output for display in a composite image.

5.18.2 Direct connection

5.18.2.1 Cable

	L=1200 m
RJjack1		RJjack2
EKR-KB1	RJjack 1	RJjack 2	JAVELIN
RS485A	white	black	RS485A
RS485B	yellow	green	RS485B

The connection is RS485 (one-way) and the maximum distance between keyboard and multiplexer is 1200m.

5.18.2.2 Setting up the multiplexer

The multiplexer can only be configured using its local keyboard and the mouse. Set the communication mode as RS485, the correct baud rate and A type protocol.

Refer to the respective manual.

5.18.2.3 Setting up the keyboard

When configuring the keyboard, the  submenu should be set as follows:









5.18.2.4 Operational test

Control of an Ademco multiplexer. There is a choice of four baud rates.

If the keyboard is connected directly with the multiplexer configured as above, using the cable as above, it should be possible to switch the video inputs immediately:

•press to select multiplexer unit 1

•press , , to select the video inputs.

For each command that is sent from the keyboard a corresponding LED lights up on the local multiplexer keyboard.

Warning! If the multiplexer unit number does not coincide, the commands sent by the keyboard will be ignored.

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