Lucent Technologies Host-Based Controller Modem AT User Manual
Page 8

Host-Based Controller Modem
Data Addendum
AT Command Set
June 15, 1998
AT Command Reference (continued)
Lucent Technologies Inc.
Version 1.0
8
OK
n = 1
ERROR
Otherwise
Hn
Hook Control
This command instructs the modem to go on-hook to disconnect a call, or off-hook to make the phone line busy.
H0:
Modem goes on-hook (default).
H1:
Modem goes off-hook.
Result Codes:
OK
n = 0, 1
ERROR
Otherwise
In
Request ID Information
This command displays specific product information about the modem.
I0:
Returns modem identity string and driver version number, same as I3.
I1:
Calculates ROM checksum and displays it on the DTE.
I2:
Performs a ROM check and calculates and verifies the checksum displaying OK or
ERROR.
I3:
Returns modem identity string and driver version number, same as I0.
I4:
Returns firmware version for data pump.
I5:
Returns the board/firmware ID and country ID in hexadecimal (for Apollo).
Returns the code ver, board ID, country ID and subsystem vendor ID in hexadecimal (for
MARS).
I6-8:
Returns OK for compatibility.
I9:
Returns country ID in English.
I11:
Displays connection information as described in the following example.
Result Codes:
As described
n = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11
ERROR
Otherwise