Comtrol AT Commands - Manual (Page 166)

AT Commands for CX81801/CX06833/CX81300/CX06827 Modems Reference Manual
Conexant 102184B
4-12
+FRH - Receive Data with HDLC Framing
This command causes the modem to receive frames using HDLC protocol and the
modulation defined below. An ERROR response code results if this command is issued
while the modem is on-hook.
Syntax
+FRH=<mod>
Defined Values
<mod> Decimal number corresponding to the selected modulation
mode and data rates shown in Table 4-2.
Reporting Current or Selected Values
Command: +FRH?
Response: +FRH: <mod>
Example: +FRH: 98 For V.17 9600 bps.
Reporting Supported Range of Parameter Values
Command: +FRH?
Response: +FRH?
Example: +FRH: 98 For V.17 9600 bps.
Result Codes
CONNECT Reported for either of two conditions:
1. When the selected carrier is detected with an HDLC flag.
2. If the DTE sends another +FTH=<MOD> command after
sending the result code indicating frame reception is
complete.
+FCERROR Reported if a different carrier is detected and FAR=0.
NO CARRIER Reported if loss of carrier is detected.
OK Reported for either of two conditions:
1. If a frame was received correctly.
2. If the DTE sends any character other than XON or XOFF
while the modem is in the configured flow control.
ERROR Reported if a frame was received in error.