Ademco Multiplexer; Description; Direct Connection - Eneo EKR-KB1 Betriebsanleitung

5.18 Ademco m ultiplexer

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 conn ection
5.18.2.1 Cable
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
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




5.18.2.4 Operational t est
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

• press
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.
RJjack1
EKR-KB1
RS485A
RS485B
can only be configured

Control of an Ademco multiplexer.
There is a choice of four baud rates.
to select multiplexer unit 1

, , to select the video inputs.
L=1200 m
RJjack2
RJjack 1 RJjack 2
white black
yellow green
using its
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JAVELIN
RS485A
RS485B
local keyboard and
submenu should be set as follows:
MNNCEKRKB1_0439
the mouse.