2010DBVL to AD1981 Port Expander to AD1024 CPU
to
CPU
THREE CONDUCTOR SHIELDED
BELDEN 8770 OR EQUIVALENT
RED
GREEN
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6789
12345
6789
KBD
d

AD1981

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6789
RED
GREEN
2010DBVL 2010DBVL

Up to four 2010DBVL Modules may be

connected to one AD1981 Port Expander

using

the following AD1981 port assignments:

KBD a: 2010DBVL-1x, Cameras 1-256

KBD b: 2010DBVL-2x, Cameras 257-512

KBD c: 2010DBVL-3x, Cameras 513-768

KBD d: 2010DBVL-4x, Cameras 769-1024

A20

KBD
c
KBD
b
KBD
a
1
2
345
6
7
8
1
2
3
45
6
7
8
1
2
3
45
6
7
8

AD1024

PORTS
120V
60Hz
DATA LINE
12
PROG MON
12345678910
DO NOT CONNECT TO TELEPHONE CIRCUITS