Keyscan EC2500 Series User Manual

Keyscan Technical Guide (PC109x - 04.12)
153
Figure 118 – COMMex Connections
GND
RS-232
RS-485
TD RD GND + TX - + RX -
RD
TD
12 VDC
+
-
LED
Power
RS-232
Black
Black
Red
Red Green
Green
J3
Green
Yellow
Black
Red
Red Black Yellow Green
RS-485
Connect to ACU power supply
Connect AC transformer at PC end
GND
RS-232
RS-485
TD RD GND + TX - + RX -
RD
TD
12 VDC
+-
J3
Green Black Red
40-2322 female cable end
connects to PC COM port.
Connect shield to earth ground
Control Board or CPB-10-2 or CB-485 Communication Terminal
LED LED
+
-
LED
Power
LEDLED
RS-232
GND TD RD
Important
If terminating at ACU (TB4)
ensure J16 – F & G
Jumpers OFF
If terminating at CB-485 or
CPB-10-2, ensure on ACU
J16 – G
Jumper ON
KI-00222E-07-11

Keyscan EC2500 Series Specifications

General

Brand	Keyscan
Model	EC2500 Series
Category	Control Unit
Language	English