Operating instructions

5.11 AHDR4/9/16 ADEMCO DVR
5.11.1 Description
The AHDR4, AHDR9, AHDR16 DVR allow linking respectively 4, 9 and 16 videos that are digitised and
shown in a compound output image.
ATTENTION
Set the following paramters in the DVR menu:
in the “System Information” menu set the address of the “Unit ID” device, with a value between
1 and 99;
in the “RS232/RS485” menu set RS485 with the baudrate between 300 and 38400, None, 8, 1,
“remote control”.
5.11.2 Direct link
White RS485A Rx+
Yellow RS485B Rx-
The link is a one-way RS485 type, and the maximum distance between the keyboard and the multiplexer is
1,200 meters.
5.11.3 Configuration of the multiplexer
Configuration can be done from the keys on the multiplexer or from the DCT keyboard if the multiplexer has
previously been configured for RS485 communications.
Please refer to the relative manual.
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DVR