AT Command Set
MC35_ATC_01_V05.00 Page 60 of 256 15.07.2002
3.22 AT+FRM Receive Data Test command
AT+FRM=?
Response
(List of supported modulation modes <mod>s) OK
Parameter
See write command
Write command
AT+FRM=<mod
>
This command causes the TA to enter the receiver-mode using the modulation
defined below. An ERROR response code results if this command is issued while
the modem is on-hook.
Response
CONNECT
If error is related to ME functionality:
ERROR
Parameter
<mod> 96 V.29 9600 bps
72 V.29 7200 bps
48 V.27ter 4800 bps
24 V.27ter 2400 bps
Reference
TIA/EIA-578
Note
Used for Faxclass 1 only
Write command
AT+FRS=<time>
+FRS=n causes the TA to report an OK result code to the TE after <time> 10 mil-
lisecond intervals of silence have been detected on the line. This command is
aborted if any character is received by the DTE. The modem discards the abort-
ing character and issues an OK result code. An ERROR response code results if
this command is issued while the mode is on-hook.
Response
OK
If error is related to ME functionality:
ERROR
Parameter
<time> 0 – 255 no. of 10 millisecond intervals
Reference
TIA/EIA-578
Note
Used for Faxclass 1 only
Write command
AT+FTH=<mod>
This command causes the TA to transmit data using HDLC protocol and the
modulation mode defined below. An ERROR response code results if this com-
mand is issued while the modem is on-hook.
Response
CONNECT
Parameter
<mod> 3 V.21 Ch2 300 bps
Reference
TIA/EIA-578
Note
Used for Faxclass 1 only