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Command:
L n
Monitor Speaker Volume
n = 0, 1, 2, or 3
Values:
Default:
2
Description: L0
Select low volume.
L1
Select low volume.
L2
Select medium volume.
L3
Select high volume.
Command:
M n
Monitor Speaker Mode
n = 0, 1, 2, or 3
Values:
Default:
1
Description: M0
Speaker always off.
M1
Speaker on until carrier signal detected.
M2
Speaker always on when modem is off-hook.
M3
Speaker on until carrier is detected, except while dialing.
Command:
N n
Modulation Handshake
Values:
n = 0 or 1
Default:
1
Description: N0
Modem performs handshake only at communication standard specified by S37 and the B
command.
Modem begins handshake at communication standard specified by S37 and the B command.
N1
During handshake, fallback to a lower speed can occur.
Command:
O
Return Online to Data Mode
Values:
0, 1, 3
Default:
None
Description: O0
Exit on-line command mode and return to data mode.
O1
Issue a retrain and return to on-line data mode.
O3
Issue a rate renegotiation and return to data mode.
Command:
Q n
Result Codes Enable/Disable
Values:
n = 0 or 1
Default:
0
Description: Q0
Enable result codes.
Q1
Disable result codes.
Command:
S r = n
Set Register Value
Values:
r = S-register number; n varies
Default:
None
Description:
Set value of register S r to value of n , where n is entered in decimal format.
Command:
S r ?
Read Register Value
Values:
r = S-register number
Default:
None
Read value of register S r and display value in 3-digit decimal form.
Description:
V n
Command:
Result Code Format
Values:
n = 0 or 1
Default:
1
Description: V0
Displays result codes as digits (terse response).
V1
Displays result codes as words (verbose response).
Command:
X n
Result Code Selection
n = 0–7
Values:
Default:
4
Description: X0
Basic result codes ( e.g., CONNECT ); does not look for dial tone or busy signal.
X1
Extended result codes ( CONNECT 56000 V42bis, CONNECT 33600 V42bis , etc.); does not look
for dial tone or busy signal.
X2
Extended result codes with NO DIALTONE ; does not look for busy signal.
X3
Extended result codes with BUSY ; does not look for dial tone.
X4
Extended result codes with NO DIALTONE and BUSY .
MTASR3-200
Appendixes
88
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