Related Manuals for LG GDK-20W
Summary of Contents for LG GDK-20W
- Page 1 GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM Digital Wireless Key Telephone System Installation Manual MODEL: GDK-20W...
- Page 2 GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM REVISION HISTORY ISSUE DATE DESCRIPTION ISSUE 1.0 1999. 08 Initial Release(Field Test) ISSUE 1.1 1999. 10 -. Revised Admin Programming. -. Added Section 4. ISDN Description ISSUE 1.2 1999.12 Revised Page 60 ~ 63.
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Page 3: Table Of Contents
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM Table of Contents SECTION 1. INTRODUCTION .................7 1.1 Purpose .............................7 1.2 Regulatory Information ......................7 1.3 Abbreviations ...........................9 SECTION 2. GENERAL DESCRIPTION .............10 2.1 Introduction ..........................10 2.2 System Capacity ........................11 2.3 System Specifications ......................13 2.4 System Components ......................15... - Page 4 5.2.7 GDK-20W Station Configuration with LKD 2B ..............79 5.2.8 Maximum Number of Stations in GDK-20W ..............79 5.2.9 Maximum Number of CO Lines in GDK-20W ..............79 5.2.10 Maximum Number of Ports(Station/CO) in GDK-20W .............80 5.2.11 Wireless Cell / Terminal Configuration ................80 5.2.12 Gain Control........................80...
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Page 5: Section 1. Introduction
TELEPHONE COMPANY NOTIFICATION Before connecting the GDK-20W to the telephone network, you may be required to notify your local servicing telephone company of your intention to use "customer provided equipment". You may further be required to provide any or all of the following information;... - Page 6 HEARING AID COMPATIBILITY The GDK-20W Digital Wireless Key Telephone System has been designed to comply with the Hearing Aid Compatibility requirements as defined in Section 68.316 of Part 68 FCC Rules. Pictures The pictures in this manual are for illustrative purposes only;...
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Page 7: Abbreviations
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM 1.3 ABBREVIATIONS For the purposes of this manual, following abbreviations are applied: 330-SSC, 340-SSC Single-Slot Charger Authentication Code ADPCM Adaptive Differential Pulse Code Modulation Bit Error Ratio CCITT International Telegraph and Telephone Consultative Committee... -
Page 8: Section 2. General Description
Intercom/Door Box With the flexibility of the GDK-20W extensive feature content and the capability to use an array of instruments, the GDK- 20W can be tailored to meet the short and long term needs of the most demanding customer requirements. -
Page 9: System Capacity
1. Not all maximum capacities may be achieved simultaneously. 2. DECT terminals can be registered and used up to 20 stations. But GDK-20W system supports the only four(4) simultaneous calls basically because the MBU has one wireless terminal interface circuit. - Page 10 STIB2+STIB2(all S-mode) 6 7 8 9 10 32 34 DECT terminal ISDN Basic 4DKT terminal(So) Basic 2SLT (6ports in MBU) 1) GDK-20W System Configuration Chart with STIB/STIB2(ISDN Board) 2B phone LCOB2+LCOB2 LCOB2+LCOB Analog Trunk LCOB2 LCOB 6 7 8 9 10...
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Page 11: System Specifications
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM 2.3 SYSTEM SPECIFICATIONS The following Tables provide general system specifications. Table 2.3.1 Dimensions & Weights Item Height Width Depth Weight 346mm 246mm 90mm 3.6Kg Key Service Unit 13.6in 9.7in 3.5in 236mm 192mm 84mm 1.5 Kg Digital Key Set 9.3in... - Page 12 GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM Table 2.3.4 Electrical Specifications Item 22 AWG Wire 24 AWG Wire Digital Keyset / Base station 500 m (1.6K feet) 300 m (1K feet) -. 2-wire loop 2B modules(with Power Adapter,24Vdc/200mA) -. System – Primary Keyset Refer to Installation Manual of -.
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Page 13: System Components
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM 2.4 SYSTEM COMPONENTS Item Slot Circuit Description Remark Position Number GDK-20W KSU(MBU) 4DKT + 2SLT + 1 WTI DVIB Digital Voice Interface DVIBE Digital Voice Interface + DTMF Receiver 2EA LCOB4 Loop Start CO Interface... - Page 14 Two(2) Flash memory(U1 & U2, 512Kwords respectively) contains the basic system operating software. Ring Generation Unit(RGU) The GDK-20W system provides two kinds of ring signals. One is 50Hz sine wave signal generated from power transformer, another is 25Hz square wave signal from RGU.
- Page 15 For interface circuits, one per transmission direction, are used for transmit digital signals. Data & bit clock are transmitted by the NT master and extracted by TE slave. The GDK-20W system can be positioned at reference point Ia or Ib on ETS 300. 012 that is TE-slave without power feeding or NT-master with power feeding. By selecting the short pin and DIP switch on each line interface, the STIB can support either S0-interface (Line card function) or T-interface (Trunk function).
- Page 16 GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM DVIB (Digitized Voice Interface Board) DVIB provides 2 channel Record/Play DVIB provides Time & System prompt All message are saved in Flash memory Max record time : Without DVEU (68 Minutes), With DVEU(136 Minutes)
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Page 17: Section 3. Installation
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM SECTION 3. INSTALLAT ION 3.1 INTRODUCTION As with any sophisticated communications device, installation of the GDK-20W System requires the care and fore-thought of a competent technician. Installation proceeds in 4 major steps: -. Site Preparation -. - Page 18 GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM Back-Board Installation A wooden backboard is recommended for all installations and must be installed when the location has masonry or plasterboard walls. A ½ inch plywood material is sufficient for most installations. The back-board should be mounted at a convenient height, about 1 meter above the floor, and be bolted in two number of places to distribute the weight of the system.
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Page 19: Ksu & Power Installation
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM 3.3 KSU & POWER INSTALLATION GDK-20W system consists of KSU, some optional boards, and peripheral instruments. The exterior view of the GDK-20W is shown in Figure 3.3.1. Figure 3.3.1 GDK-20W Exterior View Mounting the KSU The KSU is a plastic frame cabinet designed for wall mounting. - Page 20 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.