System Connections
A-2
DAR Plus Operator’s Guide
400468-1
Rev. C
Table A-1
Data I/O
Table A-2
Site Management - QM2 Internal Modem
Note:
When a QM2 Tx Modem input is grounded, It causes the associated
Form C relay to activate.
Pin#
Name
Description
1 NC
2
NC
3
SVC DATA I/O
9600 Kbps Baud Data Service Channel
4
Pin 6
5
Ground
6
Pin 4
7
Pin 8
8
Pin 7
9
NC
Pin#
Tx Input
Rx Output
Description
1
SM C IN
SM _C_NO
2
GND
SM_C_COM
3
–––
SM_B_NC
4
SM_A_IN
SM_A_NO
5
GND
SM_A_COM
6
–––
SM_C_NC
7
SM_B_IN
SM_B_NO
8
GND
SM_B_COM
9
–––
SM_A_NC