Paradyne KeepInTouch 3760 User Manual page 43

Table 4-1. AT Command and S-Register Reference (3 of 27)
AT
Command
Description
or
S-Register
H n
Hook
This command lets the modem go on-hook to
disconnect a call or off-hook to busy out the telephone
line.
H or H0
H1
I n
Identification
This command displays specific information about your
modem.
I0
I1
I2
I3
I4
I5
I6
I9
I10
I11
I17
I19
L n
Speaker Volume
The modem cannot adjust the volume of the PC's
speaker. Therefore, this command has no effect.
However, if this command is issued, the modem
responds with an OK.
4-4
Issue 3 April 1994
The modem goes on-hook.
The modem goes off-hook.
Displays product code – 144
Displays firmware revision number (three digits
only, see I19 for full display)
Performs an EEPROM check
Displays serial number
Displays alphanumeric modem number
Displays circuit card part number
Displays software part number
Displays firmware revision number
Allows the value of I0 to be changed to
144 (I10=0), 240 (I10=1), 480 ( I10=2),
960 ( I10=3), or 120 (I10=4)
Displays a ROM checksum in a hexadecimal
format
Displays last fatal error recorded
Displays the entire firmware revision number