Black Box MX275A Manuals

Manuals and User Guides for Black Box MX275A. We have 1 Black Box MX275A manual available for free PDF download: Manual

Black Box MX275A Manual

Black Box MX275A Manual (70 pages)

Data Voice Multiplexor

Brand: Black Box | Category: Multiplexer | Size: 0.71 MB

Table of Contents

Table of Contents
7
1 Specifications

9
- General (High-Level)
  9
- Main Link
  9
- Data Channels
  10
- Voice Channels
  11
- General (Low-Level)
  14
2 Introduction

15
3 Installation

31
- Unpacking the DVM
  31
- Site Requirements
  32
- Configuration
  33
- Making Cable Connections
  42
  - Grounding
    42
  - Power Connections
    43
  - The Main Link Connection
    43
  - Data-Channel Connections
    44
  - Voice-Channel Connections
    44
4 Operation

45
- The Front-Panel Indicators and Controls
  45
  - Special Diagnostic Indications
    47
  - Configuration-Error Indication
    47
- Operating Procedure
  48
  - Turning the DVM on
    48
  - Normal Operation
    48
  - Monitoring Channel Activity
    49
  - Loop Activation
    49
  - BERT Activation
    50
  - Tone Injection
    51
  - Turning the DVM off
    51
5 Troubleshooting

52
- The Diagnostic Functions
  52
  - Activating a Diagnostic
    53
  - Bert
    53
  - Tone Injection
    54
  - Remote Data-Channel Loopback
    54
  - Remote Voice-Channel Loopback
    55
  - Remote Main-Channel Loopback
    55
- Problems that Might be Indicated
  57
- Calling Black Box
  59
- Shipping and Packaging
  59
Appendix A: Interface Pinouts

60
- Main Link and Data-Channel Interfaces
  61
- Voice-Channel Interfaces
  63
Appendix B: Rackmounting

64
- Rackmounting a Single DVM
  65
- Rackmounting Two Dvms Side by Side
  66

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