Figure 85 - Control Board Communication Test Points; Figure 86 - Cb-485 Communication Test Points - Keyscan CA250 Series Technical Manual

Control Board
(PC 109x)
ECM/GCM MODULE
(COM2 & COM3)
KI-00195E-07-11
Keyscan Technical Guide (PC109x - 04.12)
Figure 85 – Control Board Communication Test Points
Control Board
(PC 109x)
KI-00194E-07-11
Figure 86 – CB-485 Communication Test Points
CPB/CB MODULE
(COM4)
H1
H2
17 18 19 20 21 22 23 24
Common AUX Inputs - E
red stripe
TX
LED
GND
GRN
TD
BLK
RD
RED
NC
J1
RS485 BRN
IN + TX -
CTS
DTR
DCD
RD
TD
GND
RS-232 (COM4)
IOCB (COM1)
RX
TX
Ribbon cable connects
H1 on control board
J16 -
Jumper ON J16-G to
activate CPB/CB
MODULE (H1) terminal.
H1
B LED
CB-485
Current Draw – 110 mA
WHT GRN WHT GRN WHT BRN WHT BLU WHT RS485
+ RX - + TX - + RX - + M - OUT
from CB-485 to
SYSTEM CONFIG.
A B C D E F G H
RX
LED
RUN
PROGRAM
114