ZyXEL Communications 56K manual Service Class 2 Commands, Command Syntax Description

User's Guide for ZyXEL Omni 56K USB Modem

5.2.2 Service Class 2 Commands

The following Class 2 commands are supported and implemented as per TIA (Telecommunications Industry Association) PN2388 (dated 8/20/1990):

	Table 17. Command Syntax
COMMAND SYNTAX	DESCRIPTION
+<command>=<value>	Execute a command or set a parameter.
+<command>=?	Read permissible settings.
+<command>?	Read current settings.

Table 18. Supported Commands (per TIA PN2388 dated 8/20/1990)

COMMAND	DESCRIPTION	VALUE
+FAA=n	Auto-answer mode parameter:
	Answer as set by +FCLASS.	n=0
	DCE answers and auto-determines type.	n=1
+FBADLIN=	Bad line threshold (number of consecutive bad lines for a bad	0 to 255
<value>	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.
+FBOR=n	Phase C data bit order:
	Select direct bit order.	n=0
	Select reversed bit order in receiving mode for phase C data.	n=1
+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:
	No copy quality check capability.	n=0
	Only check 1D phase C data.	n=1
	Check both 1D and 2D phase C data.	n=2
+FCR=n	"Capability to receive" parameter:
	DCE does not receive message data or poll a remote device.	n=0
	DCE receives message data or polls a remote device.	n=1
+FDCC=vr, br, wd,	DCE capabilities parameters:
	Vertical resolution: Normal; 98 lpi.	vr=0
ln, df, ec, bf, st
	Vertical resolution: Fine; 196 lpi.	vr=1
	Bit rate: 2400 bit/s; V.27ter.	br=0
	Bit rate: 4800 bit/s; V.27ter.	br=1
	Bit rate: 7200 bit/s; V.29 or V.17.	br=2
	Bit rate: 9600 bit/s; V.29 or V.17.	br=3

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