si2493 Silicon Laboratories, si2493 Datasheet - Page 24

• Manufacturer Part Number: si2493
• Description: V.92 Isomodem With Global Daa
• Manufacturer: Silicon Laboratories

Si2493
24
Command
Sn=x
Sn?
H1
Mn
M0
M1
M2
M3
On
O0
O1
O2
Qn
Q0
Q1
Sn
S$
Vn
V0
Ln
L1
L2
L3
In
I0
I1
I3
I6
I7
I8
R
Table 8. Basic AT Command Set (Command Defaults in Bold) (Continued)
Go off-hook.
Identification and checksum.
Display Si2493 revision code.
B: Revision B
C: Revision C, etc.
Display Si2493 firmware revision code (numeric).
Display line-side revision code.
18C = Si3018 revision C
Display the ISOmodem
“2493” = Si2493
Diagnostic results 1. See “AN93: ISOModem
Diagnostic results 2. See AN93 for details.
Speaker volume operation
Low speaker volume
Medium speaker volume
High speaker volume
Speaker operation (via AOUT).
Speaker is always off.
Speaker is on while dialing and handshaking; off in data mode.
Speaker is always on.
Speaker is off while dialing, on during handshaking and retraining.
Return to data mode from Command mode operation.
Return to data mode.
Return to data mode and perform a full retrain (at any speed except 300 bps).
Return to data mode and perform rate renegotiation.
Response mode.
Enable result codes (see Table 12 on page 40)
Disable result codes (enable quiet mode).
Initiate V.23 reversal.
S-register operation (see Table 13 on page 42).
List contents of all S registers.
Display contents of S-register n.
Set S-register n to value x (where n and x are decimal values).
Result code type (see Table 12 on page 40).
Numeric result codes.
®
model number.
Rev. 1.3
Action
®
Chipset Family Designer’s Guide” for details.