LG LDK-20 manuals

Lg LDK-20 User Manual (80 pages)

Brand: Lg | Category: Voice network modules | Size: 4.80 MB |

English

Table of contents

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

LG devices