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MX274AE
Black Box MX274AE Manuals
Manuals and User Guides for Black Box MX274AE. We have
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Black Box MX274AE manual available for free PDF download: Manual
Black Box MX274AE 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
Overview
15
A Typical Application
22
Dialup-Mode Guidelines
24
Conditions for Activation/Deactivation of a Voice Channel
24
Conditions for Activation/Deactivation of a Data Channel
24
Conditions for Activation of the Main Link
25
Conditions for Disconnection of the Main Link
25
Dialup Modem Settings
26
Control over the Main-Link Modems
27
System-Bandwidth Utilization
28
System-Timing Considerations
30
3 Installation
31
Unpacking the DVM
31
Site Requirements
32
Configuration
33
Opening the DVM's Case
34
The Main-Board Jumpers
35
The Controls on the Voice-Channel Module
38
When You're Finished
41
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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