Black Box MD885AE-R2 User Manuals

Table of Contents

• Specifications

  6
• Quick Start

  8
• Installation

  8
• Unpacking

  8
• Package Contents

  8
• What You Will Need

  8
• Connections

  8
• Jumpers

  10
• Front Panel LCD And Controls

  11
• Power-On Screen

  11
• EIA Status Screen

  12
• Quick Setup

  13
• Basic Operation

  16
• 2-Wire Dial (Hayes) Mode

  16
• 2-Wire Dial (V.25 bis) Mode

  18
• 2-Wire Dial (Dumb) Mode

  19
• Leased Line (2- or 4-Wire) Mode

  21
• V.33 Leased Line Operation

  22
• 2-Wire Dial (Bell 208) Operation

  22
• 4-Wire Leased Line V.29 Mode

  23
• V.29 Fast Master and Slave Modes

  24
• Problem Solving

  25
• Modem Setup Options

  27
• Methods For Selecting Options

  27
• Selecting Options From The Front Panel

  28
• Pushbuttons And The LCD

  28
• How To Select Options

  29
• Options

  32
• V.42 Error Correction Options

  35
• Dialer Mode

  41
• Data Format Options

  42
• Disconnect Options

  43
• Test Options

  44
• EIA Options

  44
• Modem Setups

  46
• V.33 and BELL 208A/B Options

  49
• Options Accessible With Summary Setup Only

  50
• General Operation and Special Features

  54
• Quick Reset

  54
• Phone Number Storage

  54
• Leased Line Auto-Recovery

  55
• Autodial Backup

  57
• Exit From Leased Line Auto-Recovery

  57
• Leased Line Auto-Recovery Options

  58
• Dial Line Auto-Recovery

  58
• Setting Up The Modem For Dial Line Auto-Recovery

  58
• Recovery Procedure

  58
• DTR Dialing

  60
• Dialing A Stored Number

  60
• Answer Mode Operation

  60
• Dumb Mode And Bell 208 Operation

  60
• Modem Security Operation

  62
• Modem-Controlled Remote Control

  66
• Direct Modem-to-Modem Remote Control

  66
• Remote Control through a Rack Controller

  67
• Diagnostic Interface Control

  71
• Diagnostic Port

  71
• Diagnostic Port Commands

  71
• Responses To Diagnostic Port Commands

  73
• DTE Displays

  75
• Disconnecting From A Diagnostic Link

  75
• 4.10 Automatic Fallback

  76
• 4.10.1 Operating Mode Fallback

  76
• 4.10.2 V.32 Speed Fallback

  78
• 4.11 V. 13 Operation

  80
• Hayes Emulation Mode

  81
• Hayes Mode Autodialer

  81
• Enabling The Hayes Mode Autodialer

  81
• Command Guidelines

  81
• Result Codes

  84
• Transmission Speed

  84
• Hayes Compatible Commands

  84
• Reading And Setting Registers

  86
• S Register Functions

  86
• S Registers

  90
• Selecting Options In Hayes Mode

  94
• Saving Option Selections

  94
• Profile 0 and Profile 1

  94
• Hayes Mode Reference Tables

  95
• V.25 bis Autodialer

  107
• Enabling The V.25 bis Autodialer

  107
• V.25 bis Autodialer Commands

  108
• Dialing Parameters

  112
• V.25 bis Result Codes

  112
• DTR Dialing In V.25 bis Mode

  112
• Diagnostics

  113
• When And Why To Test

  113
• Symptoms And Scope Of The Problem

  113
• Physical Inspection

  114
• Overview Of Modem Diagnostics

  114
• How To Select And Activate Tests

  115
• Front-Panel Control

  115
• Running Tests In Hayes Mode

  115
• Remote Test Control

  115
• Diagnostic Monitoring: Status Screens

  115
• EIA Status Screen

  115
• Other Status Screens

  116
• Local Modem Diagnostics

  118
• Analog Loopback (ALB) Test

  118
• Analog Loopback Self Test (ALBST)

  119
• Analog Loopback Self Test With Errors (ST/E)

  120
• External Analog Loopback (ALBX) Test

  121
• External Analog Loopback Self Test (ALXST)

  123
• Digital Loopback Test (DLB)

  124
• 7.8 Remote Modem Diagnostics

  126
• Remote Digital Loopback (RDL) Test

  126
• Remote Digital Loopback Self Test (RDLST)

  127
• Appendix A: DB25 Pin Assignments

  129
• Appendix B: Quick Setup Configurations

  130
• Appendix C: Summary Setup

  135
• Appendix D: Jumpers

  144
• Appendix E: LCD Flow Charts

  147