Specifications

AN93
30 Rev. 0.8
I0
Display Si2493/57/34/15/04 revision code.
A=Revision A.
B = Revision B, etc.
I1
Display Si2493/57/34/15/04 firmware revision code (numeric).
I3
Display line-side revision code.
18(10)C = Si3018/10 revision C.
I6
Display the ISOmodem model number.
2404 = Si2404
2415 = Si2415
2434 = Si2434
2457 = Si2457
2493 = Si2493
I7
Diagnostic Results 1.
Format
RX <rx_rate>,TX <tx_rate>
PROTOCOL: <protocol>
LOCAL NAK <rre>
REMOTE NAK <rte>
RETRN/RR <rn>
DISC REASON <dr>
Description
Receive/transmit data rate in bps
Error correction/data compression protocol.
Number of V.42 receive errors
Number of V.42 transmit errors
Number of retrains/rate renegotiations
Disconnect reason code (see Table 25)
I8
Diagnostic Results 2.
Format
RX LEVEL <rx_level>
TX LEVEL <tx_level>
EFFECTIVE S/N <esn>
RESIDUAL ECHO <re>
Description
Receive level power in dBm
Transmit level power in dBm.
Effective signal-to-noise ratio in dB
Ratio of residual echo to signal in dB
Ln
Speaker Volume
L1
Low
L2
Medium
L3
High
Mn
Speaker operation (via AOUT).
M0
Speaker is always off.
M1
Speaker is on while dialing and handshaking; off in data mode.
M2
Speaker is always on.
M3
Speaker is off while dialing; on during handshaking and retraining.
On
Return to data mode from command mode.
O0
Return to data mode.
O1
Return to data mode and perform a full retrain (at any speed except 300 bps).
O2
Return to data mode and perform rate renegotiation.
Qn
Response mode.
Q0
Enable result codes. (See Table 24.)
Table 20. Basic AT Command Set (Continued)
Command Action