LG Electronics GDK-20W, LKD-8DS installation manual PMU Installation

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GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM

PMU Installation

The PMU must be installed to SLOT4 on the MBU basically for the system operation. Refer to Figure 3.4.2.

The PMU contains a lithium dry-cell to keep the memory contents and real-time clock functions during power off. The battery is soldered to the PMU, and connected circuitry by an on/off DIP switch(SW2). So the DIP switch knob must be ON position before the PMU installation.

The PMU provides two kinds of MOH sources, internal MOH and external MOH.

External MOH source is input through black screw-down terminal, CN5, on the PMU. Refer to Figure 3.4.4.

And there are five red LEDs on the PMU, the function of them are as follows.

LD1	Display system software operation
	-. This LED will turn on and turn off at every 100 msec.
LD2	Display task changing (software testing purpose)
	-. This LED will be turn on/off toggle when call task changing.
LD3	Display task changing (software testing purpose)
	-. This LED will be turn on/off toggle when timer task changing.
LD4	Indication for DKT data comm. error
	-. This LED will be turn on/off toggle for keyset data comm. Error.
LD5	Display task changing
	-. This LED will be turn on/off toggle when DECT task changing.

Figure 3.4.4 PMU Installation

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Contents Digital Wireless Key Telephone System Installation Manual Revision History Table of Contents Admin Programming Regulatory Information PurposeHearing AID Compatibility Replacement of Lithium BatteriesPictures Interference and AttenuationAbbreviations Introduction Isdn BRI System CapacityPMU MFBSTA Isdn1 Dimensions & Weights Height Width Depth System SpecificationsFlash Memory 4 Electrical Specifications AWG WireLcobesp System ComponentsMain Board Unit MBU Key Service Unit KSUProgram Module Unit PMU Ring Generation UnitRGUInterface Board STIB2 Wireless Terminal Interface Board WtibInterface Board Stib Dvib Digitized Voice Interface Board General Site Considerations Site PreparationVerify On-Site Equipment Back-Board InstallationMounting the KSU KSU & Power Installation2 KSU Mounting Holes & Installation layout Power InstallationKSU Grounding PCB Handling & General Installation PCB InstallationMain Board Unit MBU Installation 2 MBU Installation OFF PMU Installation MFB Installation RGU InstallationSW1 Isdn STIB2 & Stib S/T Interface Board InstallationCN2 SW2 SW1 CN2SW2 SW2Dvib Digitized Voice Interface Board Installation Wtib Wireless Terminal Interface Board Installation11 Connectors of the Dvib Battery Back-Up Wiring Installation System WiringGeneral Purpose Relays Wiring Music on Hold MOH WiringFerrite Core Installation Alarm Detect Port Wiring4 Ferrite core on signal wires Components of the Dect system Overview of the Dect system1 Components of a Dect system Wtib Wireless Terminal Interface Board GDK-20W Digital Wireless Key Telephone SystemBase Station GDC-200B Before Making Initial Call How to make CallsControlling a Call Terminating a CallBase Station GDK-20W DectAntenna Diversity Subscription Low Battery Alarm 8 Single-Slot Charger 330-SSC, 340-SSC Before Installation System ConfigurationSite Survey Base Station Broadcast Range and Location 9 Base Station Service AreaGeneral Guidelines CRSCell-Coverage Region Survey ToolDistance Fading Reporting Results Rssi Monitoring Possible in GDC-335H onlyCheck list for Survey Data Korea Dect Survey Report Template NumberExample 1 Centralizing Base Stations ExamplesExample 2 Base Station Coverage in Adjoining Areas 15 Location of Base Station in Office Environment Example 3 Maximizing Line of SiteEquipment Check Hardware InstallationWtib Installation Unit Installation18 Wall Mounting of Base Station without wedge 20 LCD Message of Unsubscribed GDC-335H GAP and GDC-340HGAP System ID User subscription/desubscriptionConditions Authentication CodeAt the GDC-335H User SubscriptionAC code + User Desubscription At the GDC-340H Menuup or Down Summary of Dect Installation Stib Isdn DescriptionBasic 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 GDK-20W System CapacitiesRemark Numbering PLAN*1 Feature CodesMON+DND/FOR+7 TRANS/PGM+#4MON+DND/FOR+# TRANS/PGM+*1Basic and Extended Numbering Plans Features Basic Extension RemarksLCD Months SLT, DND SLT/WHTU*2Tone / Ring Cadence Audible SignalsSLT SLT Ring CadenceFrequencies and Tones GDK-20W Digital Wireless KEY Telephone System GDK-20W Station Configuration with LKD 2B GDK-20W ConfigurationMaximum Number of Stations in GDK-20W 34 Ports Maximum Number of CO Lines in GDK-20W 8 PortsNumber of Ports Default Number Description Wireless Cell / Terminal ConfigurationMaximum Number of Ports Station / CO in GDK-20W 38 Ports Gain Controlsystem Basemain Menu 5 SUB MenuSLT Rx Gain Country CIS Dktu SLT DCOSLT DCO Admin Program Start Press Flex KEY1-12 To Enter the Programming ModeGeneral Description IntroductionMAIN-MENU HOW to ProgramSUB-MENU TERMINAL-MENUProcedure Example of Admin. ProgramDND YESStation Attribute Button DefinitionAdmin Programming Index Admin ProgrammingFlex KEY Main Menu SUB Menu SYS TMR SYS PGMUCD SUB Menu Flex KEY Terminal Menu Range Default Remark Default ValuesLoop PBX / CO SUB Menu Flex Terminal Menu Range Default Remark KEYIsdn CO Colp Didrn2.3 Isdn Program Main Menu Flex SUB Menu Terminal Range Default Remark KEYDID/DISA SYS / EXCSmdr Dtmf RX DktuTone MUSIC1YES/NO DVU Timer SUB Flex SUB Menu Range Default Remark KEYFlex KEY SUB Menu Terminal Menu Default Remark Disable Override Always Flex KEY SUB Menu Range Default RemarkLDT DMT2.10 Hunt GROUP/VOICE Mail Program Main Menu