ATO CMM 900-3W manual Serial Port Pins RS 232 interface, Applications, Your package includes

1.2 Serial Port Pins: (RS 232 interface)

Figure 2. DB9 Female RS-232 DCE Interface

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

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

1.4Your package includes:

∙CMM 900-3W unit (Power supply and antenna are optional)

∙RS 232 Cable (DB9, M-F)

∙This USER GUIDE

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