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This manual is produced for use by LGC Wireless personnel, licensees, and customers. The information contained herein is the property of LGC Wireless. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of LGC Wireless.
LGC Wireless LGC Wireless is a leading supplier of wireless solutions that enable mobile voice and data communications and wireless Internet access throughout any facility. The company’s wireless system, the LGCellTM, provides mobile users with highly reliable access to high-quality voice and wireless data via cellular and PCS networks throughout any private (corporation, university, hospital) or public (airport, convention center, subway) facility.
Table of Contents About This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii About LGCell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . What LGCell Is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LGCell Equipment . . . . . . . . . . . . . . . . . . . . . . . . .
ii Appendix A – Cables, Connectors, and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cables and Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LGCell Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 A-3 A-7 Appendix B – TIA/EIA 568-A Cabling Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LGCell Installation Procedure This section shows the steps involved in installing an LGCell system. For a detailed description of LGCell installation procedures, refer to Section 4, LGCell Installation. If you plan to connect your LGCell system to more than one radio or base station, you also need the Integration Module Installation and Reference Manual. Install LGCell equipment in the wiring, telecom, or electrical closet(s) indicated on your site installation plan.
The procedure for installing the LGCell system follows. Section 4, LGCell Installation, describes the installation procedure in detail. A. Main Hub Installation 1 2 3 4 5 Mount one or more LGCell Main Hubs in an equipment rack in the assigned wiring closet location, using the four screws provided for each hub. Connect the AC power to each Main Hub and power up the hub. Connect two clean MMF cables to each Main Hub port. Check the Main Hub Sync and Link Status LEDs (connected = green, not connected = red).
About This Manual This Installation and Reference Manual describes the following LGCell products: • LGCell 800 MHz AMPS/TDMA/CDMA/iDEN • LGCell 900 MHz GSM • LGCell 1800 MHz DCS • LGCell 1800 MHz Korean PCS • LGCell 1900 MHz TDMA/CDMA/GSM • LGCell Dual Band 900 GSM/1800 DCS System operation for these products is identical. The only differences between the products are the operating frequency range, access scheme (TDMA, GSM, etc.) and certain operating parameters (gain, etc.).
This manual has six sections and five appendixes: 1 About LGCell Describes the LGCell’s functions, applications, components and its advantages. 2 LGCell Equipment Describes the standard LGCell equipment and operation and provides System Specifications. 3 LGCell Site Planning Contains information about pre-installation preparation and project management from site and Design planning through LGCell installation. The tasks involved and an estimated timetable are provided.
Terminology This manual uses the following acronyms.
This manual uses the following symbols as described. This symbol represents additional INFORMATION. It is used to emphasize text with unusual importance, special significance, or to provide supplemental information. This symbol represents CAUTION. It alerts users that a given action or omitted action can cause or contribute to a hazardous condition. Damage to the equipment can occur. This symbol represents WARNING.
• When you connect the Multi-Mode Fiber (MMF) Optical Cable, take the same precaution as if installing Ethernet network equipment. All optical fiber ST connectors should be cleaned according to the cable manufacturer’s instructions. • When you connect a radiating antenna to an RAU, DO NOT over-tighten the SMA connector. Firmly hand-tightening the connector is adequate. To reduce the risk of fire or electric shock, do not expose this equipment to rain or moisture.
viii About This Manual
1 About LGCell This section is an overview of the LGCell. It gives a brief description of the system and applications, the LGCell equipment, how it works, why it’s better than the competition, and what you need to do to install the system. Later sections of this Installation and Reference Manual contain a detailed description of the LGCell system. Contents About LGCell What LGCell Is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 LGCell Equipment .
1-2 About LGCell
What LGCell Is LGCell is a “plug-and-play” inbuilding distributed antenna system (DAS) that enables highly reliable, high-quality wireless communications. This one-person-one-phone capability gives a wireless phone user the ability to use their wireless phone in any location throughout the enterprise and beyond.
communications when a user is within range of an LGCell Remote Antenna Unit (RAU). LGCell Increases In-Building Coverage LGCell operates in the cellular or PCS frequency bands and can act as an extension to the cellular or PCS network. LGCell extends RF signal coverage in places where the coverage is unacceptable. This extended coverage allows users to roam between buildings and the outside world while maintaining wireless phone conversations without changing phones.
Microcellular Base Station (MBS) for Increased Capacity Connecting the LGCell to a local, centralized MBS provides additional capacity, as well as enhanced coverage.
EH MBS MH RAU EH EH EH • • a011 PBX With the LGCell/MBS/PBX solution, employees can use a wireless phone in place of a wireline desk phone to access the PBX while inside the building and use the same phone for wireless communications while outside the building. The MBS private wireless network transmits RF signals indoors, and the macrocellular network takes over outdoors.
Dual Band LGCell System The following sections provide a brief overview of LGCell equipment. For a detailed description of the equipment, see Section 2, LGCell Equipment.
The Main Hub mounts into a standard 19" equipment rack commonly found in wiring closets or equipment rooms (Main Hub width is 17.25”, or 438 mm). • Interfaces to the wireless network • Height is 1.7" (44.5 mm) • Connects to a roof-mounted antenna, repeater, or MBS via standard coaxial cable or low-loss coaxial cable with N-type male connectors Dual Band Main Hub The Main Hub for a Dual Band LGCell system is a pair of Main Hubs, one for each band.
The Expansion Hub also mounts into a standard 19" equipment rack (width 17.25”, or 438 mm). • Height is 1.7" (44.5 mm) • Connects to the Main Hub via standard Multi-Mode Fiber (MMF) cable (up to 1.5 dB optical loss, approximately 1 kilometer without jumpers). • Hubs can be located in wiring closets anywhere in the building Dual Band Expansion Hub An Expansion Hub for a Dual Band LGCell system is a pair of Expansion Hubs, one for each band.
Dual Band RAU The RAU for a Dual Band LGCell system is a pair of RAUs, one for each band. How LGCell Works LGCell connects in an Ethernet, LAN-like architecture, using a double-star topology. It uses proprietary technology to provide wireless access within buildings, subways, tunnels and other locations where reception is poor. System Operation System operation for all of the LGCell DAS products is identical.
Transmit/Forward/Downlink (BTS to Phone) The incoming RF signal into the Main Hub is split into several fiber optic transceivers that convert the RF signal to an optical signal. The Main Hub transmits the converted signal over the fiber to the Expansion Hub. The Expansion Hub converts the optical signal to an RF signal and transmits the RF signals to the RAUs. The RAUs then transmit the RF signals to the antenna and then to wireless phones.
LGCell Uses Industry Standards LGCell’s use of industry standards and standard equipment offers high reliability and low cost. • Complies with industry standards for IS-19-B/AMPS, J-std-8, IS-136/TDMA, IS-95/CDMA, ETSI 300 609-4/GSM (CE marked), and iDEN. • Utilizes the TIA/EIA 568-A Ethernet cabling standards for ease of installation (see Appendix A – Cables, Connectors, and Accessories). • Distributes signals over a building’s existing industry-standard cable infrastructure of MMF and UTP/STP cable.
