Multitech MMH900 Uživatelská příručka stáhnout pdf (Strana 115)

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115

Chapter 7 - Troubleshooting Procedures

8.5 Repair Procedures for International

Distributors

Procedures for International Distributors of Multi-Tech products are

on the distributor web site.

http://www.multitech.com/PARTNERS/login/

8.6 Online Warranty Registration

If you have access to the World Wide Web, you can register your

Multi-Tech product online at http://www.multitech.com/register/.

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 199 200

MMH900 Series Statistical 1
Multiplexer 1
User Guide 1
S000315A Revision A 2
Contents 3
Description 7
1.1 Introduction 8
1.2 About This Manual 8
1.3 Background 10
1.3.1.2 Communications 12
1.4 Product Description 13
1.5 System Features 16
1.5.1 Response Time Control 16
1.5.2 Dynamic Buffering 16
1.5.3 Flow Control 17
1.5.4 Diagnostics 17
Reporting 18
1.5.7 Parameter Memory 18
1.5.8 Channel Flexibility 18
1.5.9 Command Modem 18
1.5.10 Composite Link 19
Interconnection 20
1.7 DOC Terminal Equipment 22
1.8 Specifications 23
1.8.1 Channels 23
1.8.2 System Control 23
1.8.3 Composite LInk 24
1.8.4 33,600 bps Link Modem 24
1.8.5 56,000 bps DSU 24
1.8.6 ISDN Terminal Adapter 25
1.8.7 Command Modem 25
1.8.8 Electrical/Physical 25
Chapter 2 - Configuration 26
2.1 Introduction 27
2.2 Configuration 1 28
2.3 Configuration 2 30
2.4 Configuration 3 31
Descriptions 33
3.1 Introduction 34
3.2 Front Panel 34
3.3 LED Indicators 35
Internal Composite Link (DSU) 37
Internal Link Device (Modems) 38
COMPOSITE LINK 39
3.5 Switches/Jumper/Shunt 41
3.5.1 8-Position DIP Switch 41
3.5.2 4-Position DIP Switch 42
3.5.3 144RKWL/OtherJumper 43
3.5.4 V.24/V.35 Shunt 43
Chapter 4- Installation 44
4.1 Introduction 45
4.2 Safety Warnings 45
4.3 Unpacking 45
RS232C/V.35 46
INTERNAL 46
V.35 V.24 47
Supervisory Console 48
Channels 49
Parameters (&W) command 50
Chapter 4 - Installation 50
Chapter 5 - Commands 51
5.1 Introduction 52
5.2 Command Description 57
5.2.1 General Commands 57
The H1 Menu is as follows: 59
The H2 Menu is as follows: 60
UP = 16/32 MM 60
DN = 900 MMH/MMV 60
The H3 Mend is as follows: 61
The H4 Menu is as follows: 61
The H5 Menu is as follows: 62
The H6 Menu is as follows: 62
The H7 Menu is as follws: 63
The H8 Menu is as follows: 63
CHANNEL DEVICE 66
INITIATED PACING 66
MultiMux 67
5.2.3 Composite Link Commands 73
LINE LOAD TYPE TIMER TIME 75
OFF INTERNAL 10ms 3 75
5.2.8 Test Commands 86
5.2.9 Command Modem commands 88
Chapter 6- Operating 89
Procedures 89
6.1 Introduction 90
Chapter 7 - Troubleshooting 96
7.1 Introduction 97
7.3 Test Cables 98
Composite Link 99
Loopback Cable 99
7.4 Troubleshooting Guide 100
Channel device losing data 105
7.5 Channel Device Testing 106
Procedure 107
Technical Support 111
8.1 Introduction 112
8.2 Warranty 112
Customers 113
Distributors 115
Appendices 116
Appendix A 117
Appendix B 118
Appendix C - Cabling Diagrams 120
Channel Cables 120
Command Port Cables 121
Appendix D 124
Command Modem Commands 124
Appendix F 142
Flow Control Background 142
MiniComputer Flow Control 143
Appendix G 145
MMH2834 S-Registers 145
Appendix H 148
Dial Back-up 148
Appendix I 149
Testing Your MMH2834 149
I.1 Introduction 149
Local MultiModem 150
Type ATU0 or ATU1; hit ENTER 150
Digital Analog DigitalAnalog 151
I.5 Synchronous Mode Testing 155
Digital Analog 156
AnalogDigital Analog 157
DigitalAnalogDigital Analog 158
Modem Commands 159
J.1 Introduction 159
#S Change SETUP Password 161
J.1.1 Dialing Action Commands 162
J.1.2 Dial Modifier Commands 164
Commands 171
Immediate Action Commands 182
Glossary 184
S000315A 200

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