US Robotics 56 K SOFTMODEM - COMMAND REFERENCE REV 1 Manuel d'utilisateur télécharger pdf (Page 74)

56K Softmodem

Command Reference

- 66

Table 4-10: +FRM Commands

Table 4-11: +FRM Extended Syntax Commands

+FRS=<value>—Receive Silence

+FRS=<value> causes the modem to listen and wait for <value> x 10 ms of

silence to be detected on the line. For example, <value> = 5 results in a 50 ms

interval. At the end of this period, the modem responds with the OK result code.

<value> has a range of 0—255.

Result codes:

OK if <value> = 0—255.

ERROR if <value> does not equal 0—255.

+FTH=<mod>—Transmit HDLC Data with <mod> Carrier

The +FTH=<mod> command causes the modem to transmit data framed in the

HDLC protocol at the modulation defined by Table 4-12: +FTH Commands on

page 67.

Command Modulation Speed

+FRM=3 V.21 channel 2. 300 bits/s.

+FRM=24 V.27ter. 2400 bits/s.

+FRM=48 V.27ter. 4800 bits/s.

+FRM=72 V.29. 7200 bits/s.

+FRM=96 V.29. 9600 bits/s.

+FRM=73 V.17. 7200 bits/s.

+FRM=74 V.17 (short train). 7200 bits/s.

+FRM=97 V.17. 9600 bits/s.

+FRM=98 V.17 (short train). 9600 bits/s.

+FRM=121 V.17. 12000 bits/s.

+FRM=122 V.17 (short train). 12000 bits/s.

+FRM=145 V.17. 14400 bits/s.

+FRM=146 V.17 (short train). 14400 bits/s.

Command Description

+FRM=<mod> Sets the FAX receive rate.

+FRM=? Displays all available parameter values for the

+FRM command.

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US Robotics 56 K SOFTMODEM - COMMAND REFERENCE REV 1 Manuel d'utilisateur Page 74