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HiRO H50158 V92 56K User Manual

Page 17

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17

M—Speaker Control

Use this command to turn the speaker on and off.

Result codes:

_ OK if = 0—3.

_ ERROR if

≠0—3.

Command

Function

M0

Speaker is off.

M1

Speaker is on until the modem detects the carrier

signal (default).

M2

Speaker is always on when the modem is off-hook.

M3

Speaker is on until the carrier is detected, except

when dialing.

N—Modulation Handshake

Use this command to set the modem protocol for handling handshake negotiation at connection time if the communication

speed of the remote modem is different from the speed of the local modem.

Result codes:

_ OK if = 0—1.

_ ERROR if

≠0—1.

O—Return to On-Line Data Mode

Use this command to exit on-line command mode and reenter on-line data mode. If the modem is not in on-line

command mode when this command is received the modem generates an ERROR result code.

Result codes:

_ CONNECT if = 0, 1, 3 and the result code and call progress monitor is set to 0 (X0).

_ CONNECT if = 0, 1, 3 and the result code and call progress monitor is not set to 0 (X

where n = 1—7).

_ NO CARRIER if the connection is not successfully resumed.

_ ERROR if

≠0—1, 3.

Command

Function

O0

Instructs the modem to exit on-line command mode

and return to data mode

O1

Issues a retrain before returning to on-line data mode.

O3

Issues a rate renegotiation before returning to on-line data

mode.

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