AH500 Module Manual
8-6
Number
Name Description
11 Set screw Fixing the module
Connecting the module and a backplane
AH15SCM-5A
9
10
8
15SCM
ERROR
RUN
C O M1
COM 2
3
4
1
2
7
6
5
Number
Name Description
1 Model name Model name of the module
2
RUN LED indicator (green)
Operating status of the module
ON: The module is running.
OFF: The module stops running.
ERROR LED indicator (red)
Error status of the module
ON: There is a hardware error.
OFF: The module is normal.
Blink: 1. The setting of the module is incorrect, or there
is a communication error.
2. Restoring the module to the default factory
value
TX1/TX2 LED indicator
(orange)
Blink: The data is being transmitted through the
RS-232 port.
OFF: The data is not being transmitted through the
RS-232 port.
RX1/RX2 LED indicator
(orange)
Blink: The data is being reveived through the RS-232
port.
OFF: The data is not being reveived through the
RS-232 port.
3 COM1 (RS-232) RS-232 mode
4 COM2 (RS-232) RS-232 mode
5 Set screw Fixing the module
Connecting the module and a backplane