Nortel Networks ROADSTER 56K - Manual (Page 10)

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B<value>—Communication Standard Setting
Use this command to select the communication standard used by the soft modem.
Result codes:
_ OK if <value> = 0—3, 15, 16.
_ ERROR if <value> 0—3, 15, 16.
Command Function
B0 selects CCitt V. mode when the modem is at 1�� bits/s.
B1 Selects Bell 212A when the modem is at 1200 bits/s (default).
B2 Deselects V.23 reverse channel (same as B3).
B3 Deselects V.23 reverse channel (same as B2).
B15 selects V.1 when the modem is at 3�� bits/s.
B16 Selects Bell 103J when the modem is at 300 bits/s (default).
C<value>—Carrier Control
this command is supported to ensure compatibility with communications software that issues the C1 command.
However, this modem does not support the C0 command. The C0 command instructs some modems not to send carrier (i.e., it puts them
in receive-only mode).
Result codes:
_ OK if <value> = 1.
_ ERROR if <value> 1.
Command Function
C1 Normal transmit carrier switching (default).
D<dial string>—Dial
This command instructs the soft modem to go off-hook and begin the dialing sequence. The dial string (<dial string>, including modifiers
and the telephone number) is entered after the D command.
A dial string can be up to sixty characters long. Any digit or symbol may be dialed as touchtone digits. Characters such as spaces,
hyphens, and parentheses are ignored by the modem and may be included in the dial string to enhance readability.
I<value>—Request ID Information
Use this command to display product information about the modem. in each case the information is transmitted to the host system
followed by a final result code.
Result codes:
_ As described in Table 8 if <value> = 0—9, 11.
_ ERROR if <value> 0—9, 11.
I<value>—Request ID Information
Use this command to display product information about the modem. in each case the information is transmitted to the host system
followed by a final result code.
Result codes:
_ As described in Table 8 if <value> = 0—9, 11.
_ ERROR if <value> 0—9, 11.
Command Function
L0 �ow volume.
L1 �ow volume.
L2 Medium volume (default).
L3 High volume.