Chapter 9 - Fax Operation
9-4
Class 2 Command Set
The following Class 2 commands are supported and implemented per TIA
PN2388 (8/20/90).
Command Syntax
Description
+<command>=<value>
Execute a command or set a parameter.
+<command>=?
Read permissible settings.
+<command>?
Read current setting.
Supported Commands (per TIA PN2388 8/20/90)
Command
Value
Description
+FAA=n
Auto-answer mode parameter:
n=0
Answer as set by +FCLASS.
n=1
DCE answers and auto-determines type.
+FBADLIN=
<value>
0-255
Bad line threshold (number of consecutive
bad lines for a bad page parameter):
Determine if Copy Quality OK on the T.30
flow chart . <value>=0 to 255; a value of 0
implies that error checking is disabled.
+FBADMUL=
<value>
0-255
Error threshold multiplier:
Determine if "Copy Quality OK" on the T.30
flow chart . <value>=0 to 255; a value of 0
implies that error checking is disabled.
+FBOR=n
Phase C data bit order:
n=0
Select direct bit order.
n=1
Select reversed bit order in receiving mode
for phase C data.
+FBUF?
Buffer size; read only parameter:
Allow DTE to determine the characteristics
of the DCE’s buffer size.
+FCIG="string"
Local fax station ID string, for polling Rx.
+FCLASS=n
Service class selection: Refer to +FCLASS
Class 1 command in previous section.
+FCON
DCE responds fax connection .
+FCQ=n
Copy quality check capability parameter
n=0
No copy quality check capability.
n=1
Only check 1D phase C data.
n=2
Check both 1D and 2D phase C data.
+FCR=n
"Capability to receive" parameter
n=0
DCE will not receive message data or poll a
remote device.
n=1
DCE receives message data or polls a remote
device.
