V.34 AT command set Modems and is designed for ENVIRONMENTAL traffic control environments. The SM336SA has a built in power supply and Temperature Range……..-37° to +74° C plugs into a standard outlet. The Humidity ..….5 to 95% non-Condensing SM336SA-12 connects to a 12VDC supply.
Data Carrier…….1800 ± 0.5 Hz DCD, RI. Calling Tone……1300 ± 10 Hz Answering Tone…2100 ± 15 Hz Th SM336SA can store 2 user profiles and 4 phone numbers. The numbers can have Receiver Freq. Tol…….±14 Hz up to 32 digits.
SM336SA Manual connected to the RJ11 labeled “PHONE”. The RJ11 connectors are connected in The SM336SA has the 120-Ohm parallel so do not use the phone while the termination resistors built into the unit on modem is being used. the input lines (TXD and RTS). This Modem is not designed to be used in an RS-485 Multi-drop system.
The following pages contain a summary of the AT Commands and “S” Registers that the SM336SA responds to. The factory default settings are also shown. A complete definition of the AT commands is too large for this Manual (174 pages). If one is required, a PDF file (450K) can be sent electronically to you.