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2 service class 2 commands – ZyXEL Communications 56K Plus Series User Manual

Page 37

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Omni 56K Plus Series User’s Guide

Command Sets 4-9

Table 4-7 The Value of Parameters

VALUE MODULATION SPEED

74

V.17 short train

7200

96 V.29

9600

97 V.17

9600

98

V.17 short train

9600

121 V.17

12000

122

V.17 short train

12000

145 V.17

14400

146

V.17 short train

14400

4.2.2 Service Class 2 Commands

The following Class 2 commands are supported and implemented as per TIA PN2388 (8/20/90):

Table 4-8 Command Syntax

COMMAND SYNTAX

DESCRIPTION

+=

Execute a command or set a parameter.

+=? Read

permissible settings.

+?

Read current setting.

Table 4-9 Supported Commands (per TIA PN2388 8/20/90)

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 page

parameter):
Determine if Copy Quality OK on the T.30 flow chart. =0 to
255; a value of 0 implies that error checking is disabled.

0-255

+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