3 Com U.S. Robotics 3Com - Technical Reference: Extended and Fax Commands; Extended AT Command Set; Facsimile Commands

9
Zn (0,1,2,3,4,5) Reset and load configuration n
$ AT command set help screen
Note: C, K commands are not implemented, will respond OK when these commands are encountered.
Ten phone numbers are stored in NVRAM.
Defaults are underlined.
Alps-specific modifications to the commands are in italics
Extended AT Command Set
&An (0,1,2,3) ARQ result codes Enable
&Bn Unused. Will respond OK, but no action taken:
modem is always in &B1 mode.
&Cn (0,1) CD Override
&Dn (0,1,2,3) Data Terminal Ready signal
&Fn (0,1,2) Load factory setting
&Gn (0,1,2) Guard tone
&Hn (0,1,2,3) Transmit flow control
&In (0,1,2,3,4,5) Receive software flow control
&Kn (0,1,2,3) Data compression
&Mn (0,4,5) Error control
&Nn (0,1,2,3,4,5,6,7,8, DCE link rate. (Maximum DCE link rate when
9,10,11,12,13,14,15,16) &U is not set to 0)
&Pn (0,1) Make/Break ratio
&Rn (1,2) Receive hardware flow control
&Sn (0,1) DSR option
&Tn (0,1,3,4,5,6,7,8) Diagnostic test, default is 5
&Un (0,1,2,3,4,5,6,7,8, DCE link rate minimum
9,10,11,12,13,14,15,16)
&Wn (0,1) Write current configuration NVRAM templates
&Yn (0,1,2,3) Break handling
&Zn=s (0,1,2,3) Writes phone number string s to NVRAM at position n
&Zn=L (0,1,2,3) Writes Last executed dial string to NVRAM at position n
&Zn? (0,1,2,3) Displays the phone number stored at position n
&ZL? Displays the last executed dial string
&$ Extended AT command help screen
Facsimile Commands
+FCLASS=n (0,1,2.0) Class Identification and Control (0)
+FTS=n (0,255) Stop Transmission and Pause
+FRS=n (0,255) Wait For Silence
+FTM=n (3,24,48,72,73,74, Transmit Data with Carrier
96,97,98,121,122,145,146)
+FRM=n (3,24,48,72,73,74, Receive Data with Carrier
96,97,98,121,122,145,146)
+FTH=n (3,24,48,72,73,74, Transmit HDLC Data with Carrier
96,97,98,121,122,145,146)
+FRH=n (3,24,48,72,73,74, Receive HDLC Data with Carrier
96,97,98, 121,122,145,146)