D-Link DMI-128ESU User Manual
D-LINK ISDN TA DMI-128ESU+
31
6.2.2 AT Command List
* means default setting
Command Description Value Remark
ATA
Manual answer
Answer an incoming data call
Answer an incoming data call
ATD
Dialing
Dial the destination number
Max main address: 20 digits
Max sub-address: 5 digits
Dial the destination number
Max main address: 20 digits
Max sub-address: 5 digits
0-9
+
ATD4125678+ 123
• Dialing digits
• Dialing digits
• Sub-address delimiter
ATDSn
Speed dialing
0-19
Speed dialing number
ATEn
Echo command
Define whether characters are echoed back
from the TA to the DTE within command
mode.
Define whether characters are echoed back
from the TA to the DTE within command
mode.
0
*1
*1
• No echo
• Echo
ATH
Hang up
Hang up the connection
Hang up the connection
Type ATH during the RING will reject the
call
call
ATIn
Interrogate the TA product status
0
1
3
6
1
3
6
• Requests the TA product code
• Checksum value
• ROM Part Numbers and Revision
• Supported switching type
ATL
Dialing the latest number
ATD4125678
Then ATDL will dial 4125678 again
ATO
Return to on-line state
Return from command mode to data mode
ATQn
Return result codes select
Defines whether or not the TA will issue
result codes to the DTE
Defines whether or not the TA will issue
result codes to the DTE
*0
1
1
• Result code returned
• Not returned
ATSn=x
Set S register
Change S register value
Change S register value
n
x
x
• S register number
• Setting value
ATVn
Verbose mode
Defines the form of result codes returned by
the TA
Defines the form of result codes returned by
the TA
0
*1
• Numeric form responses enabled
• Verbose responses enabled (English
responses)
responses)
ATWn
Connection message format select
Defines the type of (extended) negotiation
result codes to return.
Defines the type of (extended) negotiation
result codes to return.
*0
1
• Negotiation codes reported in 1
line format : (CONNECT)
line format : (CONNECT)
• 3 line format (Hayes format)
(CONNECT xxx)
(PROTOCOL xxx)
(CARRIER xxx)
(CARRIER xxx)
ATXn
Result code set select
Description Select the result code set.
Description Select the result code set.
*0
1
• Data result codes 0-4 enabled
• All supported data result codes
Enabled
ATZn
Reset/recall user profile
The user configuration stored in the non-
volatile memory is recalled to become the
active configuration.
The user configuration stored in the non-
volatile memory is recalled to become the
active configuration.
0
1
1
• Reset the TA and recall user profile
• Reset the TA and load default value
(Except stored dial number, own-
address, sub-address and
accumulated charge)
(Except stored dial number, own-
address, sub-address and
accumulated charge)
AT&Cn
CD signal control
Defines what the TA outputs as the DCD
(CD) signal on the DTE interface
Defines what the TA outputs as the DCD
(CD) signal on the DTE interface
0
*1
• DCD (CD) signal on at all time.
(TA‘s DCD signal follow PC’s DTR)
• DCD (CD) signal on at only
communication time.(DCD signal
high during communication time)
high during communication time)
AT&Dn
DTR signal control
Defines how the DTR (ER) signal is
interpreted by TA.
Defines how the DTR (ER) signal is
interpreted by TA.
0
*2
• DTR signal consider on at all
time.
(TA won‘t detect DTE’s DTR,
TA consider DTR is always on)
TA consider DTR is always on)
• TA will detect DTE‘s DTR (ER) Signal