Download Multi-Tech ISIHI-2S Specifications

Chapter 5—TERMINAL ADAPTER AT Commands, S-Registers, Result Codes
*!N1=n DN 1
Values:n = 24-character string
Default: null string
Sets directory number (DN) for channel 1. The directory number is telephone number
assigned to the TA at subscription time by the ISDN service provider. The DN is a string
of up to 24 characters; valid characters are 0–9, the * character, and the # character.
*!N1=n Sets the DN for the voice channel
!Z=n Rate Adaption Protocol
Values: n = 5, 9, or 12
Default: !Z=9 (PPP)
Selects the rate adaption protocol used to communicate with another terminal adapter.
The local and remote terminal adapters must be set to the same protocol for
communication to take place.
!Z=5
V.120 protocol
!Z=9
PPP protocol
Serial Port Configuration Commands
Use the following commands to control the interaction between the TA and the computer
connected to it.
En Command Mode Echo
Values: n = 0 or 1
Default: E1 (Echo on)
When you enter commands, the TA echoes the characters back to the computer or
terminal where they appear on the monitor. This command turns this feature on and off.
E0
Echo off
E1
Echo on
L5 and L6 List Active Profile
Values: n = 5 or 6
Default: none
Lists current operating parameters of the TA. This information is useful when changing
communications software or when changing default settings. ATL5 lists AT command
parameters, and ATL6 lists values currently stored in the S-Registers. (For more
information on S-Registers, see Chapter 6, Terminal Adapter S-Registers.)
L8 Lists Low Level ISDN Status
Qn Enable/Disable Result Codes
Values: n = 0, 1, or 2
Default: Q0 (Enable result codes)
Controls whether the TA sends result codes to the computer. (Use the V command to
select the format of the result codes.)
Q0
Enable result codes.
Q1
Disable result codes (quiet mode) for applications such as computer-controlled
auto dialing.
MultiModem ISI Hybrid Series, ISIHI-2S/2U
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