American Dynamics AD1024 448 INPUTS X 15 OUTPUTS - With Video Loss Detection Level 1 - 2 Bays with AD1981 Port Expander

448 INPUTS X 15 OUTPUTS - With Video Loss Detection
Level 1 - 2 Bays with AD1981 Port Expander
A21
DATA
LINE
120
VAC
50/60
Hz
11
11
11
1155 55
22
2255 5577 77
44
4433 3333 33 11
11
22
2244 4411 11
DATA LINE
IN
OUT
DATA LINE 1
AD2010R AD2010R
PORTS
DATA LINE
12
PROG MON
123456789 10
AD1024 CPU
IN
OUT
To
CPU
AD1981
DATA LINE
54
7
54
7
54
7
DO NOT CONNECT TO TELEPHONE CIRCUITS