Multitech MMH900 manuals

Multitech MMH900 User's Guide (200 pages)

Brand: Multitech | Category: Networking | Size: 2.57 MB |

English

Table of contents

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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