Ato CMM 900-3W User Manual

Page 1 of 1 CMM 900-3W USER GUIDE AMPS Cellular Modem Module (3W)

Page 10 of 10 Note: Commands entered incorrectly or with out-of-range parameters will result in an “ERROR” message. Commands entered correctly w

Page 11 of 11 5.1.2 Result Codes Result Codes refer to the responses of the cellular modem unit to a command. Unless the cellular modem has be

Page 12 of 12 5.2 On-line State: In Online state, input(s) from the PC is treated as data to be transmitted over the airwaves, and input(s) fro

Page 13 of 13 6. SUPPORTED AT COMMANDS This section describes the basic “AT” commands used to configure the cellular modem. These commands are

Page 14 of 14 information. Note: MIN, ESN, SID information are stored in the Non-volatile memory of the cell-modem and do not need to be entere

Page 15 of 15 7. TROUBLESHOOTING 1. If the unit draws too much power. Please ensure that the correct power supply is used and correctly wired.

Page 16 of 16 8. FREQUENTLY ASKED QUESTIONS (FAQ) Q1: What is the flow control method recommended? A1: If the host is a PC, Hardware flow co

Page 17 of 17 Q8: Is there any recommended init string for various land line mode. A8: The following have been tried with excellent result

Page 2 of 2 Table of Contents 1. PRODUCT OVERVIEW ...3 1.1 Features: ...

Page 3 of 3 1. PRODUCT OVERVIEW The Cellular Modem Module, CMM 900-3W, uses the Advanced Mobile Phone System (AMPS) cellular network for data t

Page 4 of 4 • Requires 5 Volts DC @ 1500 ma

Page 5 of 5 1.2 Serial Port Pins: (RS 232 interface) Figure 2. DB9 Female RS-232 DCE Interface 1.3 Applications: Example applicati

Page 6 of 6 2. SPECIFICATIONS Air Speed Up to 9600 bps DTE Rate 300, 1200, 2400, 9600, 19200, 57600 bps (DIP switch selecta

Page 7 of 7 It is recommended that the MIN and SID information be stored in an easy to access location. 4. STARTING AND CONFIGURING THE MODEM T

Page 8 of 8 Parity: None Stop Bits: 1 Flow Control based on the CMM 900-3W switch settings Click OK. Step 8: Select Call>Disconnect Step

Page 9 of 9 Step 1: Enter ATDT XXXX <CR> XXXX is the phone number of the modem you are calling. After approximately 30 seconds, the