Using low power sleep mode, Basic at commands, At commands – Comtrol RM-4 User Manual
Page 6
6 - RocketModem IV: 2000468 Rev. A
Hardware Installation and Specifications
Using Low Power Sleep Mode
Using Low Power
Sleep Mode
The RocketModem IV supports the use of low power sleep mode through use of the
S24 parameter. The following page numbers are referenced from the Conexant AT
Commands Reference Manual.
•
Table 3-15 (S-Parameter Summary) and Page 3-105 (Acrobat/131) provides an
overview
•
The S24 - Sleep Inactivity Timer subsection provides detailed information on
Page 3-113 (Acrobat/139)
Basic AT Commands
This section will list the basic commands required for most applications. Some
commands have parameters associated with them. The format is as follows:
ATXn<CR> where “n” equals the parameter, usually 0 or 1. The list below reflects
the more common commands used for data connections.
AT Commands
A/
Repeat previous command
A
Answer
Bn
Select CCITT or Bell standard
B0
CCITT operation at 300 or 1200 bps
B1
Bell operation at 300 or 1200 bps (default)
D
Dial
0–9
Dial DTMF digits 0 to 9
A–D
Dial DTMF digits A, B, C, and D
P
Select pulse dialing; affects current and subsequent dialing.
T
Select tone dialing; affects current and subsequent dialing.
!
Flash: go on-hook for a time defined by S29.
W
The modem will Wait for dial tone before dialing the next number.
If no dial tone is detected within the time specified by S7, the
modem aborts the rest of the sequence, goes on-hook, and
generates an error message.
@
Wait for 5 seconds of silence before proceeding with next dialing
string and then complete handshake sequence.
,
Pause. The modem pauses for a time specified by S8 before dialing
the following digits. Most often used when dialing an outside line
through a PBX.
;
Return to command mode after processing command
^
Disable calling tone transmission; applicable to current dial
attempt only
A typical example of the Dial command is: ATDT767-8900 <CR>
Meaning “ATtention Dial using Touch-tone the numbers 7678900
En
Command echo
E0
Disables command echo.
E1
Enables command echo (default)