LG Electronics LKD-8DS, GDK-20W Power Installation, KSU Mounting Holes & Installation layout

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GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM

Figure 3.3.2 KSU Mounting Holes & Installation layout

Power Installation

The Power Supply Circuit of the MBU provides power for the system boards and telephones, converting the AC Input Voltage to appropriate DC voltages. Before installation, assure that the AC power cord is NOT plugged into the AC INLET. The Power Supply Circuit is located on the left upper side of the MBU.

The GDK-20W Power can only operate 220~240V AC based on the connection of the cable(4-wired) by the CN22 from transformer and the connection of the cable(2-wired) by the CN21 to transformer.

Input Voltage	Connect to	Fuse

230V(+10%, -15%)	CN21	T800mAH 250V

* Caution : the GDK-20W Power can not operate with 110~127V AC.

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Contents Digital Wireless Key Telephone System Installation Manual Revision History Table of Contents Admin Programming Purpose Regulatory InformationReplacement of Lithium Batteries Hearing AID CompatibilityPictures Interference and AttenuationAbbreviations Introduction System Capacity Isdn BRIPMU MFBIsdn STASystem Specifications 1 Dimensions & Weights Height Width Depth4 Electrical Specifications AWG Wire Flash MemorySystem Components LcobespKey Service Unit KSU Main Board Unit MBUProgram Module Unit PMU Ring Generation UnitRGUInterface Board Stib Wireless Terminal Interface Board WtibInterface Board STIB2 Dvib Digitized Voice Interface Board Site Preparation General Site ConsiderationsBack-Board Installation Verify On-Site EquipmentKSU & Power Installation Mounting the KSUPower Installation 2 KSU Mounting Holes & Installation layoutKSU Grounding Main Board Unit MBU Installation PCB InstallationPCB Handling & General Installation 2 MBU Installation OFF PMU Installation RGU Installation MFB InstallationIsdn STIB2 & Stib S/T Interface Board Installation SW1CN2 SW2 SW1 CN2SW2 SW2Wtib Wireless Terminal Interface Board Installation Dvib Digitized Voice Interface Board Installation11 Connectors of the Dvib System Wiring Battery Back-Up Wiring InstallationMusic on Hold MOH Wiring General Purpose Relays WiringAlarm Detect Port Wiring Ferrite Core Installation4 Ferrite core on signal wires Overview of the Dect system Components of the Dect system1 Components of a Dect system Base Station GDC-200B GDK-20W Digital Wireless Key Telephone SystemWtib Wireless Terminal Interface Board How to make Calls Before Making Initial CallControlling a Call Terminating a CallGDK-20W Dect Base StationAntenna Diversity Subscription Low Battery Alarm 8 Single-Slot Charger 330-SSC, 340-SSC Site Survey System ConfigurationBefore Installation 9 Base Station Service Area Base Station Broadcast Range and LocationCRSCell-Coverage Region Survey Tool General GuidelinesDistance Fading Rssi Monitoring Possible in GDC-335H only Reporting ResultsCheck list for Survey Data Dect Survey Report Template Number KoreaExample 2 Base Station Coverage in Adjoining Areas ExamplesExample 1 Centralizing Base Stations Example 3 Maximizing Line of Site 15 Location of Base Station in Office EnvironmentHardware Installation Equipment CheckUnit Installation Wtib Installation18 Wall Mounting of Base Station without wedge 20 LCD Message of Unsubscribed GDC-335H GAP and GDC-340HGAP User subscription/desubscription System IDAuthentication Code ConditionsUser Subscription At the GDC-335HAC code + User Desubscription At the GDC-340H Menuup or Down Summary of Dect Installation Isdn Description StibBasic Features of Isdn Device S-Interface GDK-20W Digital Wireless KEY Telephone System Features of Isdn CO Line T-Interface Unknown / National Type / International / Subscriber Remark System CapacitiesGDK-20W Feature Codes Numbering PLAN*1TRANS/PGM+#4 MON+DND/FOR+7MON+DND/FOR+# TRANS/PGM+*1Features Basic Extension Remarks Basic and Extended Numbering PlansLCD Months SLT, DND SLT/WHTU*2Audible Signals Tone / Ring CadenceSLT SLT Ring CadenceFrequencies and Tones GDK-20W Digital Wireless KEY Telephone System GDK-20W Configuration GDK-20W Station Configuration with LKD 2BMaximum Number of Stations in GDK-20W 34 Ports Maximum Number of CO Lines in GDK-20W 8 PortsWireless Cell / Terminal Configuration Number of Ports Default Number DescriptionMaximum Number of Ports Station / CO in GDK-20W 38 Ports Gain Controlsystem Basemain Menu 5 SUB MenuSLT Rx Gain Country Dktu SLT DCO CISSLT DCO To Enter the Programming Mode Admin Program Start Press Flex KEY1-12General Description IntroductionHOW to Program MAIN-MENUSUB-MENU TERMINAL-MENUExample of Admin. Program ProcedureDND YESButton Definition Station AttributeFlex KEY Main Menu SUB Menu Admin ProgrammingAdmin Programming Index SYS PGM SYS TMRUCD Default Values SUB Menu Flex KEY Terminal Menu Range Default RemarkLoop SUB Menu Flex Terminal Menu Range Default Remark KEY PBX / COIsdn CO Colp DidrnFlex SUB Menu Terminal Range Default Remark KEY 2.3 Isdn Program Main MenuSmdr SYS / EXCDID/DISA Dktu Dtmf RXTone MUSIC1YES/NO DVU Flex KEY SUB Menu Terminal Menu Default Remark SUB Flex SUB Menu Range Default Remark KEYTimer Flex KEY SUB Menu Range Default Remark Disable Override AlwaysLDT DMT2.10 Hunt GROUP/VOICE Mail Program Main Menu