LG Electronics IP LDK-20 Opening and closing the front cover, Opening the front cover

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IP LDK-20 Installation Manual	KSU Installation

2.2.4 Opening and closing the front cover

2.2.4.1 Opening the front cover

1.Turn the screw counter-clockwise to loosen as shown in Figure 2.2.4.1.

2.Lift the front cover in the direction of the arrow as shown:

Figure 2.2.4.1 Opening the front cover

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Contents IP LDK-20 Installation Manual IpldkIssue Date Contents of Changes Remark Revision HistoryTable of Contents Troubleshooting Important Safety Instructions IP LDK-20 Installation Manual IntroductionPrecaution KSU Installation Board InstallationExpansion Module Installation TroubleshootingSystem Connection Diagram IP LDK-20 System highlightsSystem Components General specifications SpecificationsDescription Specification System Capacity IP LDK-20 Installation ManualIntroductionDescription CAPACITY/BOARD Total Pre-Installation Safety installation instructionsInstallation precautions Wiring precautionsKSU Installation Key service unit Mounting templatePower cord UnpackingKSU exterior and dimension 2 KSU exterior and dimensionKSU with expansion module exterior and dimension 3 KSU with expansion module exterior and dimensionOpening and closing the front cover Opening the front coverClosing the front cover 4.2 Closing the front coverFrame ground connection 5 Grounding the KSUPower Supply Unit PSU installation Range of Input Voltage Connect to Fuse RatingsExternal backup batteries installation 7 External Back Up Battery InstallationKSU mounting Wall mounting8.1b KSU Wall Mounting ※ Note Be careful not to drop the KSU Rack mounting 8.2a Rack BracketInstallation of the Boards IP LDK-20 Installation Manual Board InstallationMbub Main Board Unit 2a MbubConnector/Modular Jack/Switch Functions SWITCH/CONNECTOR Functions RemarkModular JackMJ1~MJ3 Pin Assignment Mbub MJ1COLine no RJ45 Type Jack Terminating Resistors Switch Switch and ConnectorTX+ SW7Mbub MJ2 & MJ3Extension 1.3 MJ4 Pin Assignment 1.4 SW3 Functions and LED IndicationsMbub Connector PIN Number Signal Name Function 1.5 CN22 Pin assignmentIP LDK-20 Installation Manual Board Installation Installation of the CO Line Board Board Port Connector Type Description Cable RemarkLcob CID Loop Start CO line Interface Board LcobConnector Functions Pin AssignmentAdd-On Boards Function Remark1.2b PRCPTU4 CPCU4 FSK CID, PR and CPT detection Unit Stib Basic Rate Interface Board Selectable S/T interface 2 StibMode TX+ RX+ OFF SW4CN1 SW1Stib Port1 Only CN1 SW2Isdn terminal TE1or TA LED Indications StatusLine Connector and Terminating Resistors Or S Switch SettingMJ1 SW4 MJ1 SW1Cbib CID Loop Start CO line + Basic Rate Interface Board 3 CbibPIN Number Signal Name Function Various Connectors FunctionsCbib 1’ST Port for BRI T-MODE Cbib 2’ND Port for LCOPRCPTU2 PR and CPT detection Unit PRU2 Polarity Reversal detection UnitCPCU2 FSK CID, PR and CPT detection Unit Installation of the Extension Board DTIB4 Digital Terminal Interface BoardBoard DKTDTIB8 Digital Terminal Interface Board 2 DTIB8SLIB4 Connector PIN Number Signal Name SLIB4 Single Line Interface BoardSLT-TIP SLTSLIB8 Connector PIN Number Signal Name SLIB8 Single Line Interface BoardVmibe Voice Mail Interface Board Enhanced Other Board InstallationsRECORD/PLAY MOH AAFBEAuto Attendant Function Board Enhanced ChannelMax record time System/time stampLanu LAN interface Unit Lanu Connector PIN Number Signal Name FunctionLED Indication of MJ1 Meaning Modu Modem function Unit 4 ModuModule Port Connector Description Cable Remark Type Power Cord Battery Cable Module FuseUnpacking DtimOpening and closing the front cover Opening the front coverClosing the front cover 2 Closing the front coverConnecting Expansion Module to KSU 1 Connecting an expansion moduleWall mounting Rack Mounting 3.1 Rack bracket3.4 Module Rack Mounting External backup batteries connection External Back Up Battery Installation1 Voim Various switches and connectors functions Switch / Connector Functions RemarkSignal Name Function Pin assignmentLED indications LED2.1 Voiu Installation VOIUVoice over Internet Protocol Interface UnitSlimslt Interface Module Installation 1 SlimDTIMDigital Terminal Interface Module 1 DtimTerminal Models Model DescriptionTerminal Cabling Distance Terminal Cabling DistanceConnector Type PIN Number Signal Name Keyset ConnectionDigital Keyset 2 SLTConnecting Additional Terminals External Music Source wiringExternal Paging wiring Alarm Detection wiringBasic Preprogramming Before Starting the IP LDK-20 SystemDktu Station 10 programming Button explanation Soft ButtonLCD Ring LEDEntering programming mode Permanent Update ProcedureResetting the System To enter Programming Mode, perform the following StepsSite Name Pre-programmingKeyset Map Code International Calling CodesCIS STA Code COL STA & COL Number SET Type Intercom Default Remark Numbering Plan Type PGMNumber Plan Type RangeStation Numbers Description Numbering Plan DetailTRANS/PGM + Flex Default Value Flexible Numbering Plan PGMPlan a Flex Numbering Plan ApgmFlex Numbering Plan B PGM IP setting for System PGM IP LDK-20 Installation Manual Troubleshooting ProblemCause / Symptom Solution MOH