ATO CMM 900-3W - Manual (Page 5)

Page 5 of 5
1.2 Serial Port Pins: (RS 232 interface)
Figure 2. DB9 Female RS-232 DCE Interface
1.3 Applications:
Example applications for data communications with CMM 900-3W include:
•
Packet Data Radio
•
SCADA and Telemetry Systems
•
Remote gas/water/electric meter readings.
•
Factory Automation systems
•
Vending Machines
1.4 Your package includes:
•
CMM 900-3W unit (Power supply and antenna are optional)
•
RS 232 Cable (DB9, M-F)
•
This USER GUIDE
Pin No. Signal Name Input/Output
1 DCD Output
2 RXD Output
3 TXD Input
4 DTR Input
5 GND
6 DSR Output
7 RTS Input
8 CTS Output
9 RI Output