AT&T Definity 8510T Manuel d'utilisateur Page 70
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Data Options and Profiles
packet switched data service for Mode DX25 and ISDN B-channel circuit
switched data service for the other Modes).
B2 An abbreviation for B-channel Mode 2, configures the ADM for
establishment of outgoing data calls using AT&T’s Mode 2 circuit switched
data transmission protocol. B2 and BA are appropriate selections for
circuit switched connections over 64 kbps facilities to endpoints supporting
one or both of these protocols. Mode 2 protocol is not error corrected and
does not provide bidirectional flow control when endpoint speeds are
mismatched. Mode 2 does provide less delay than Mode 3 on transmitted
and received data. Select B2 to establish a data call using Mode 2
protocol. If the user escapes to Local Mode while the far end is
transmitting Mode 2 data, this data may be lost.
BA An abbreviation for B-channel Adaptive, configures the ADM for
establishment of outgoing data calls using AT&T’s Mode 3/2 adaptive
circuit switched data transmission protocol. B2 and BA are appropriate
selections for circuit switched connections over 64 kbps facilities to
endpoints supporting one or both of these protocols. Mode 3 protocol is
error corrected and does provide bidirectional flow control when endpoint
speeds are mismatched. Mode 3 can cause slightly higher delays than
Mode 2 on transmitted and received data. Mode 3 is a packet-oriented
protocol and uses the Packet Assembler Disassembler (PAD) data
options. Select BA to attempt to establish a data call using AT&T Mode 3
protocol. If the endpoint you are calling cannot accept this type of call, the
ADM then reattempts using AT&T Mode 2 protocol.
4-12
- 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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