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Voice network modules
LDK-20
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LG LDK-20 User Manual Page 32
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Table of contents
TROUBLESHOOTING
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IP LDK-20 Installation Manual
Board Install
ation
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INSTALLATION MANUAL
1
Safety requirements
5
■ Precaution
6
■ The Structure of Manual
7
SECTION 1. INTRODUCTION
8
1.3 System Components
9
1.4 Specifications
10
1.4.2 System Capacity
11
SECTION 2. KSU INSTALLATION
12
2.2 KSU Installation
13
CAUTION
18
2.2.8 KSU mounting
21
2.2.8.2 Rack mounting
23
3.2 MBUB (Main Board Unit)
25
3.2.1.1 MBUB MJ1(CO)
27
3.2.1.3 MJ4 Pin Assignment
30
3.2.1.5 CN22 Pin assignment
31
Description
33
3.3.1.1 Pin Assignment
34
3.3.1.2 Add-On Boards
34
3.3.2.1 Pin assignment
37
3.3.3.1 Pin Assignment
41
3.3.3.2 Add-On Boards
42
3.4.1.1 Pin assignment
43
3.4.2.1 Pin assignment
44
3.4.3.1 Pin assignment
45
3.4.4.1 Pin assignment
46
3.5.3.1 Pin Assignment
49
4.1 Unpacking
51
4.5.1 Pin assignment
61
4.6.1 Pin assignment
63
5.1 Terminal Models
65
5.3 Keyset Connection
67
5.4.2 Relay Contacts
68
6.2 Basic Preprogramming
69
6.2.1.1 Button explanation
70
6.2.3 Pre-programming
72
SECTION 7. TROUBLESHOOTING
80
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