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Keyscan EC2500 Series - Figure 50 - Single ACU Communication - Direct Serial

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Keyscan Technical Guide (PC109x - 04.12)
73
Figure 50 – Single ACU Communication - Direct Serial
to Com Port on
PC with
Communication
Manager
GND
RS-232 (COM4)
Control Board
(PC 109x)
Green
Black
Brown & White not used.
Tape back separately.
Brown
Shield
Green
Black
Red
White
RS-232 5 conductor
22 AWG shielded cable
Maximum - 100 Ft (30 M)
TD
RD
DCD
DTR
CTS
Red
`
to ground lug
Shield*
Parts List
- RS-232 Data Cable
- Control Board
- PC (requires serial port)
IOCB (COM1)
RX
TX
Ensure J16 – F & G
Jumpers OFF
KI-00153E-07-11
* Insulate shield with PVC tubing such as Alpha #16 or
comparable insulator and connect to ground lug.

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