LG Electronics
installation manual
IP LDK-20 Installation Manual Board Installation
Troubleshooting
Specifications
Install
System Connection Diagram
Signal Name Function
Flex Default Value
Wiring precautions
Dimension
Problem
Resetting the System
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I
P
LDK-20
Installation Manual
Board Installation
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Contents
IP LDK-20 Installation Manual
Ipldk
Issue Date Contents of Changes Remark
Revision History
Table of Contents
Troubleshooting
Important Safety Instructions
IP LDK-20 Installation Manual Introduction
Precaution
KSU Installation
Board Installation
Expansion Module Installation
Troubleshooting
System Connection Diagram
IP LDK-20 System highlights
System Components
Description Specification
Specifications
General specifications
Description CAPACITY/BOARD Total
IP LDK-20 Installation ManualIntroduction
System Capacity
Pre-Installation
Safety installation instructions
Installation precautions
Wiring precautions
KSU Installation
Key service unit Mounting template
Power cord
Unpacking
KSU exterior and dimension
2 KSU exterior and dimension
KSU with expansion module exterior and dimension
3 KSU with expansion module exterior and dimension
Opening and closing the front cover
Opening the front cover
Closing the front cover
4.2 Closing the front cover
Frame ground connection
5 Grounding the KSU
Power Supply Unit PSU installation
Range of Input Voltage Connect to Fuse Ratings
External backup batteries installation
7 External Back Up Battery Installation
KSU mounting
Wall mounting
8.1b KSU Wall Mounting ※ Note Be careful not to drop the KSU
Rack mounting
8.2a Rack Bracket
Installation of the Boards
IP LDK-20 Installation Manual Board Installation
Mbub Main Board Unit
2a Mbub
Connector/Modular Jack/Switch Functions
SWITCH/CONNECTOR Functions Remark
Modular JackMJ1~MJ3 Pin Assignment
Mbub MJ1CO
Line no RJ45 Type Jack Terminating Resistors Switch
Switch and Connector
TX+
SW7
Mbub MJ2 & MJ3Extension
1.3 MJ4 Pin Assignment
1.4 SW3 Functions and LED Indications
Mbub Connector PIN Number Signal Name Function
1.5 CN22 Pin assignment
IP LDK-20 Installation Manual Board Installation
Installation of the CO Line Board
Board Port Connector Type Description Cable Remark
Lcob CID Loop Start CO line Interface Board
Lcob
Connector Functions
Pin Assignment
Add-On Boards
Function Remark
1.2b PRCPTU4 CPCU4 FSK CID, PR and CPT detection Unit
Stib Basic Rate Interface Board Selectable S/T interface
2 Stib
Mode
TX+ RX+ OFF SW4
CN1
SW1
Stib Port1 Only
CN1 SW2
Isdn terminal TE1or TA
LED Indications Status
Line Connector and Terminating Resistors
Or S Switch Setting
MJ1 SW4
MJ1 SW1
Cbib CID Loop Start CO line + Basic Rate Interface Board
3 Cbib
PIN Number Signal Name Function
Various Connectors Functions
Cbib 1’ST Port for BRI T-MODE
Cbib 2’ND Port for LCO
CPCU2 FSK CID, PR and CPT detection Unit
PRU2 Polarity Reversal detection Unit
PRCPTU2 PR and CPT detection Unit
Installation of the Extension Board
DTIB4 Digital Terminal Interface Board
Board
DKT
DTIB8 Digital Terminal Interface Board
2 DTIB8
SLIB4 Connector PIN Number Signal Name
SLIB4 Single Line Interface Board
SLT-TIP
SLT
SLIB8 Connector PIN Number Signal Name
SLIB8 Single Line Interface Board
RECORD/PLAY MOH
Other Board Installations
Vmibe Voice Mail Interface Board Enhanced
AAFBEAuto Attendant Function Board Enhanced
Channel
Max record time
System/time stamp
LED Indication of MJ1 Meaning
Lanu Connector PIN Number Signal Name Function
Lanu LAN interface Unit
Modu Modem function Unit
4 Modu
Module Port Connector Description Cable Remark Type
Power Cord Battery Cable Module Fuse
Unpacking
Dtim
Opening and closing the front cover
Opening the front cover
Closing the front cover
2 Closing the front cover
Connecting Expansion Module to KSU
1 Connecting an expansion module
Wall mounting
Rack Mounting
3.1 Rack bracket
3.4 Module Rack Mounting
External backup batteries connection
External Back Up Battery Installation
1 Voim
Various switches and connectors functions
Switch / Connector Functions Remark
Signal Name Function
Pin assignment
LED indications
LED
2.1 Voiu Installation
VOIUVoice over Internet Protocol Interface Unit
Slimslt Interface Module Installation
1 Slim
DTIMDigital Terminal Interface Module
1 Dtim
Terminal Models
Model Description
Terminal Cabling Distance
Terminal Cabling Distance
Connector Type PIN Number Signal Name
Keyset Connection
Digital Keyset
2 SLT
Connecting Additional Terminals
External Music Source wiring
External Paging wiring
Alarm Detection wiring
Dktu Station 10 programming
Before Starting the IP LDK-20 System
Basic Preprogramming
Button explanation
Soft Button
LCD
Ring LED
Entering programming mode
Permanent Update Procedure
Resetting the System
To enter Programming Mode, perform the following Steps
Keyset Map
Pre-programming
Site Name
CIS
International Calling Codes
Code
STA Code COL STA & COL
Number SET Type Intercom Default Remark
Numbering Plan Type PGM
Number Plan Type
Range
TRANS/PGM +
Numbering Plan Detail
Station Numbers Description
Flex Default Value
Flexible Numbering Plan PGM
Plan a
Flex Numbering Plan Apgm
Flex Numbering Plan B PGM
IP setting for System PGM
IP LDK-20 Installation Manual Troubleshooting
Problem
Cause / Symptom Solution
MOH
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