Table of Contents
Introduction............................................................................................................................V
1. ISDN, Data Communication, the Internet..................................................................1
1.1 ISDN.............................................................................................................................1
1.1.1 Setting up a connection......................................................................................1
1.2 The Function of the TRON TA128...........................................................................2
1.3 Internet Access...........................................................................................................2
1.3.1 Remote LAN Access.............................................................................................3
1.4 Data bits, control bit and speed..............................................................................3
1.5 Models..........................................................................................................................4
2. Getting started with the TRON TA128........................................................................5
2.1 Description of the TRON TA128 terminal adapter...............................................5
2.1.1 ISDN connection status indication...................................................................6
2.1.2 The back of the Terminal Adapter.....................................................................8
2.2 What else do you need.............................................................................................9
2.3 Connecting the Terminal Adapter...........................................................................9
2.4 Protocols....................................................................................................................10
2.5 Establishing a data connection.............................................................................11
3. AT command set and S registers............................................................................13
3.1 The AT command set.............................................................................................13
3.1.1 Command mode and data mode.................................................................13
3.1.2 Building a command line...............................................................................14
3.1.3 AT commands at a glance.............................................................................15
3.2 S Registers..............................................................................................................16
3.2.1 Bitmapped S registers....................................................................................16
3.2.2 List of S registers.............................................................................................16
3.2.3 List of S Registers for X.25 and X.31 (only in TRON TA128)....................17
3.3 Description of AT commands and S registers..................................................18
3.4 General settings.....................................................................................................18
3.5 Dialing and Answering..........................................................................................19
3.5.1 Dialing an ISDN number................................................................................20
3.5.2 Dialing an analog number (only in TRON TA128/M and
TRON TA128/M2)..............................................................................................20
3.5.3 PAD access through ISDN (only in TRON TA128).....................................20
3.6 Extensive Dialing and Answering.........................................................................21
3.7 Serial port settings...................................................................................................24
3.7.1 Result codes.....................................................................................................27
3.7.2 Other messages..............................................................................................28
3.8 Modem, Error correction and Data compression..............................................30
3.9 Profiles and identification.......................................................................................31
3.10 Other commands....................................................................................................32
4Sundries.........................................................................................................................34
4.1 Settings (profiles)...................................................................................................34
4.2 Nonvolatile memory settings................................................................................34
4.3 Analog connection..................................................................................................35
4.4 Softkey........................................................................................................................35
5Special applications....................................................................................................37
5.1 Dial-in configuration................................................................................................37
