AT&T Definity 8510T Bedienungsanleitung PDF herunterladen (Seite 104)

Technical Information

Pin 22 — Ring Indicator (CE)

A pulsed signal appears on this circuit when the data terminal receives an

incoming data call. This signal is maintained until the data terminal answers or

clears the call, or until the network clears the call attempt. The cadence is

designed to simulate ringing: two seconds on and four seconds off. The initial

pulse remains on for a minimum of one second.

7-4

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 119 120

Integrated Services 1
Digital Network (ISDN) 1
8500 Series Display Terminal 1
Asynchronous Data Module 1
User’s Manual 1
IMPORTANT SAFETY INSTRUCTIONS 3
SAVE THESE INSTRUCTIONS 4
Contents 5
1 Introduction 1-1 5
2 Getting Started 2-1 5
Data Options and Profiles 4-1 6
Testing 5-1 6
Troubleshooting 6-1 6
Technical Information 7-1 6
Introduction 7
ISDN 8510T 9
ISDN 8520T 10
ISDN 8528 11
Voice Terminal User’s Manual 11
Data Features 12
Integrated Services 13
Reference Manual 13
System Dependencies 14
The System Administrator: 15
Menu , represents 17
Next display control 17
DIAL 3784 18
Getting Started 19
Data Call 21
MENU 27
Self-Test 27
Service Info 27
Series Display Terminal 28
Menu to access the 34
Next to access the second 34
Menu to access the main 34
Next to access the 38
Aug 13, 1992 11:15AM 39
Making a Data Call 40
DIAL:1908555_ 42
Backspace Quit Send 42
Display Terminal 43
Terminal, the Attached Data 48
Terminal, or the PC 48
Using the CMD and AT 49
Commands 49
Abbreviating CMD Commands 50
Help for CMD Commands 50
Using the CMD and AT Commands 51
Screen 3-1. Help Screen 51
Transmission 53
Local Mode 54
X.25 Call Options 54
Memory Dialing 55
Data Options and Profiles 59
Data Option Definitions 61
Attention 62
Autoadjust 62
Char.erase (Character Erase) 63
DCD (Data Carrier Detect) 63
DTR (Data Terminal Ready) 64
Forwarding 66
Idle.timer 67
Line.erase 67
Local.cr 67
Local.echo 67
Local.erase 68
Local.lf 68
Match.speed 68
AT&T Digital Multiplexed 71
ANSI Standard T1.612 72
* Mode 2 Protocol does 74
Protocol (Data Mode B2) 74
Data Option Profiles 78
Profile, pA 83
Storing an Active Profile, pA 84
Activating a Stored Profile 84
Viewing an Option Profile 85
Transfer 86
Local Loopback Test 91
Remote Loopback Test 93
Troubleshooting 95
Technical Information 101
Pin 4 — Request-to-Send (CA) 102
Pin 2 — Transmitted Data (BA) 102
Pin 3 — Received Data (BB) 102
Pin 22 — Ring Indicator (CE) 104
Packet Assembler Disassembler 105
(PAD) Capabilities 105
Table 7-2. X.3 Parameters 106
(Continued) 106
Appendix A — Cause Code 109
Packet Type Stimulus 110
Value LCD and EIA Port Text 111
Value EIA Port Text LCD Text 112

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