si2439-a-gm Silicon Laboratories, si2439-a-gm Datasheet - Page 28

• Manufacturer Part Number: si2439-a-gm
• Description: V.92 And V.34 Isomodem With Global Daa
• Manufacturer: Silicon Laboratories

Si2494/39
28
Command
Sn=x
Sn?
H0
H1
Mn
M0
M1
M2
M3
On
O0
O1
O2
Qn
Q0
Q1
Sn
S$
Ln
L1
L2
L3
L4
In
I0
I1
I3
I6
I7
I8
R
Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued)
Go on-hook (hang up modem).
Go off-hook.
Identification and checksum.
Display Si2494/39 revision code.
A: Revision A
Display Si2494/39 firmware revision code (numeric).
Display line-side revision code.
18F=Si3018 revision F
Display the ISOmodem
“2494” = Si2494
“2439” = Si2439
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
Very 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 14 on page 49)
Disable result codes (enable quiet mode).
Initiate V.23 reversal.
S-register operation (see Table 15 on page 51).
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).
®
model number.
Rev. 1.0
Action
®
Chipset Family Designer’s Guide” for details.