Operating instructions

AD1676
AD2150 NOTE : THESE CONNECTIONS ARE TYPICAL OF ONE AD1981 PORT EXPANDER .
EACH RS232 PORT IS PROGRAMMABLE.
To
CPU
12345
678 9
XMIT
RCD
GND
AC
AC
GND
B
W
S
CTS
DTR
DATA
TP8059
AD1678TB
8 82161A
AD1678CM
21
12345
6789
KBD
d
4
1234 5
6789
AD1981
KBD
c
KBD
b
KBD
a
JJ0007 Cable
TP8059
JJ0007 Cable
TYPICAL SYSTEM CONNECTIONS
AD1981 PORT EXPANDER TO AD2150
RCD
XMIT
GND
AD2150
AD1981 NOTE : KBD a - d ARE INPUT PORTS
WHICH MAY BE USED WITH ANY
AMERICAN DYNAMICS RS232 KEYBOARD.
HP0047
1
2
3
45
6
7
8
MAXIMUM DISTANCE BETWEEN
UNITS IS 1000 FT, USING
SHIELDED, 18 AWG CABLE
MAXIMUM DISTANCE BETWEEN
UNITS IS 1000 FT, USING
SHIELDED, 18 AWG CABLE
RCD
XMIT
GND
1
2
3
45
6
7
8
HP0047
MONITORS
12 34 5
RS232 PORTS
123
KEYBOARDS
23 45
CAMERAS
120V
60Hz
CODE
BWS BWS BWS BWS
2468101214161820222426283032
135791113151719212325272931
ALARMS RELAY
SI NO NCC13452678