AT Commands and S-Registers
B-6
Issue 1 April 1994
Table B-1. AT Command and S-Register List (5 of 34)
AT
Command/
S-Register
Description
I
n
Identification
I
0
Displays product code–144
I
1
Displays ROM checksum
I
2
Performs an EEPROM check
I
3
Displays serial number and
AT&T Paradyne
I
4
Displays alphanumeric modem number
I
5
Displays circuit card part number
I
6
Displays software part number
I
9
Displays firmware revision number
I
10
Allows the value of I0 to be changed to
144 (
I
10=0), 240 (
I
10=1), 480 (
I
10=2),
960 (
I
10=3), or 120 (
I
10=4)
I
11
Displays a ROM checksum in a
hexadecimal format
I
17
Displays last fatal error recorded
I
19
Displays firmware revision number in an
alphanumeric format
L
n
Speaker Volume
Adjusts the volume of the speaker in the
DataPort 2001.
L0, L1
Low volume
L2
Medium volume
L3
High volume