Figure 73 - Communication - Direct Serial - Keyscan CA250 Series Technical Manual

Parts List
- RS-232 Data Cable
- Control Board
- PC (requires serial port)
Control Board
(PC 109x)
CTS
DTR
Ensure S2
DCD
DIP switches 7 & 8
are OFF
GND
RS-232 (COM4)
IOCB (COM1)
KI-00153E-04-13
Keyscan Inc. – Technical Guide (PC109x - 07.15)
Figure 73 – Communication - Direct Serial
Red
RD
Black
TD
Green
Brown & White not used.
Tape back separately.
RX
TX
to Com Port on
PC with
Communication
Manager
RS-232 5 conductor
22 AWG shielded cable
Maximum - 100 Ft (30 M)
Shield*
to ground lug
* Insulate shield with PVC tubing such as Alpha
(p/n PVC10516 16 AWG) or comparable
insulator.
`
100