Tadpole SPARCbook 3 series, Reference Manual

Page: 126 / 216

9-8
MODEM
AT Command Set
En Echo Command Characters
This controls whether the modem echoes command
characters back to the host:
n = 0 Disable Character Echo
n = 1 Enable Character Echo
Fn Select Line Modulation
This selects line modulation:
n = 0 Auto Dial mode
n = 1 V.21 or bell 103 (according to Bn)
n = 2 Reserved
n = 3 V.23
n = 4 V.22 at 1200 bps
n = 5 V.22 bis
n = 6 V.32 bis at 4800 bps
n = 7 V.32 bis at 7200 bps
n = 8 V.32 bis at 9600 bps
n = 9 V.32 bis at 12000 bps
n = 10 V.32 bis at 14400 bps
Hn Switch Hook Control
n = 0 Go on-hook (hang up)
n = 1 Go off-hook to access the telephone line
In Identification
This causes the modem to respond with identification codes:
n = 0 Request Product Code
n = 1 ROM Checksum
n = 2 Return OK Response
n = 3 Manufacturers ID
n = 4 Configuration Mode
n = 33 Sierra ID
O Return to Online
This command returns to the modem to the Data Mode.
Qn Command Response Control
This controls whether the modem provides responses to
commands:
n = 0 Return Response
n = 1 Do Not Send Response
Sr=n Change Register Value
This selects an S register and changes its contents:
r = S register
n = New Contents
S3GX_TRMBook Page 8 Friday, September 19, 1997 11:39 am