
TYPICAL SYSTEM CONNECTIONS
AD2079 with AD1981 Port Expander
AD1996
12 3 45678 910
PROG MONDATA LINE PORTS
12
120V
60HZ
To
CPU
KBD
d
KBD
c
KBD
b
KBD
a
5 4
6
3
2
7
1
8
J1 J2
Dual
Terminal
Block
AD2079
5 4
6
3
2
7
1
8
J1 J2
Dual
Terminal
Block
AD2079
1
2
3
45
6
7
8
12 345
6789
12345
67 89
12345
67 89
Modular Cable
3-wire, shielded
Belden 8770, or
equivalent
Modular Cable
AD1981
Single Terminal Block
Modular Cable
3-wire, shielded Belden 8770,
or equivalent
NOTE: AD1996 shown for illustration. Any controller with RS-232
ports can be controlled from AD2079 via AD1981 Port Expander
C-5
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