Specifications

AN93
Rev. 0.9 31
Hn
Hook-switch.
H0
Go on-hook (hang up modem).
H1
Go off-hook.
In
Identification and checksum.
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).
No Patch
AT Command Chip Revision Response
ATI0 B B
ATI1 B 00
ATI0 C C
ATI1 C 00
Revision B Patch (rb_pX_YYYY)
AT Command Chip Revision Response
ATI0 B B
ATI1 B X
ATI0 C B
ATI1 C X
Revision C Patch (rc_pX_YYYY)
AT Command Chip Revision Response
ATI0 B (not allowed) N/A
ATI1 B (not allowed) N/A
ATI0 C C
ATI1 C X
Command Action
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
Table 18. Basic AT Command Set (Continued)
Command Action