BGS2T AT Command Set
12. FAX Commands
BGS2T_ATC_V01.301 Page 339 of 554 1/31/12
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12. FAX Commands
This chapter describes the AT commands used for fax communications.
If the ME is acting as a fax modem for a PC based fax application it is necessary to select the proper Service
Class (Fax Class) provided by the ME. The ME reports its Service Class capabilities, i.e. the current setting and
the range of services available. This is provided by the AT+FCLASS command.
Service Classes supported by the ME:
The following AT commands are dummy commands:
AT+FAA Auto Answer mode
AT+FECM Error Correction Mode control
AT+FLNFC Page Length format conversion
AT+FLPL Indicate document available for polling
AT+FMINSP Minimum Phase C speed
AT+FRBC Phase C data receive byte count
AT+FREL Phase C received EOL alignment
AT+FSPL Enable polling
AT+FTBC Phase C data transmit byte count
AT+FWDFC Page width format conversion
Invoking these commands will not cause ERROR result codes, but these commands have no functionality.
12.1 FAX parameters
Below you can find a summary of parameters used by the fax-specific AT commands and responses described
in this chapter. Please note that parameter <mod> is dedicated to Fax Class 1 only. All other parameters listed
below are for Fax Class 2 only.
Parameter Description
Modulation scheme
To find out which value is actually supported by <mod> use the test commands while the ME is off-hook.
3 V21 Ch2 - 300 bps
24 V.27ter - 2400 bps
48 V.27ter - 4800 bps
72 V.29 - 7200 bps
96 V.29 - 9600 bps
Binary File Transfer Mode
[0] Disable BFT
1 Enable BFT
AT+FCLASS Parameter Service class Reference, Standard
0 Data modem e.g. TIA/EIA-602 or ITU V.250
1 Service Class 1 EIA/TIA-578-A
2 Manufacturer specific This document and EIA PN-2388
(draft)
<mod>
(num)
<bf>
(num)
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