RS-232
1
2
3
4
J1
OUT
PGM MON
7
6
5
4
3
2
1
8
K
E
Y
B
R
D
C-4
TYPICAL SYSTEM CONNECTIONS
AD2078 KEYBOARD TO AD1650B
AD2078
JJ0007
JJ0007
HP0082
TERMINAL
BLOCK
TP8082 or
TP8083 Wall
Transformer
AD1650B
NOTE : THESE CONNECTIONS ARE TYPICAL OF ONE KEYBOARD.
EACH RS232 PORT IS PROGRAMMABLE.
XMIT
GND
RCD
5
4
6
3
2
7
1
8
J1
J2
5
4
6
3
2
7
1
8
JUMPER WIRES SUPPLIED WITH KEYBOARD,
REMOVE FOR CONNECTIONS OVER 7 FT
CONNECTIONS BETWEEN UNITS THAT ARE
LESS THAN SEVEN FEET (7') APART
1
2
3
4
5
6
7
8
HP0047
3-WIRE, 18 AWG, SHIELDED CABLE,
TO HP0082 TERMINAL BLOCK (J1 SIDE)
CONNECTIONS BETWEEN UNITS THAT ARE
GREATER THAN SEVEN FEET (7') APART
TO GND,
PIN 7
TO RCD,
PIN 4
TO XMIT,
PIN 5
TO RS232
PORT
JJ0007
Connect the cable ground
on the cable assembly to
one of the four corner
screws.