Related Manuals for GST GRS-825DM-BC
Summary of Contents for GST GRS-825DM-BC
- Page 1 FCC ID : U88-GRS-825DM-BC ATTACHMENT E. - User Manual - HCT CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-RF09-0416...
- Page 2 GRS-825DM-BC RF Repeater User Manual January, 2009 Version 1.0...
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Page 3: Table Of Contents
Bell Mobility User Manual In-building Repeater - INDEX - 1. SUMMARY .........................3 2. SYSTEM CONFIGURATION ..................5 2.1 In-buildingRepeater Service Network Configuration............5 2.2 System Design and Operation ..................... 6 2.2.1 System Design .............................. 6 2.2.2 Downlink/ Uplink Path ..........................8 2.2.3 Frequency Selection............................. -
Page 4: Summary
Bell Mobility User Manual In-building Repeater 1. Summary GRS-825DM-BC is a In-building repeater, which has been designed to improve signals in blanket/shadow areas inside of buildings to transmit Bell Mobility’s signals at nd 800MHz frequencies. Characteristics 800MHz Band: 80dB Gain with 25dBm maximum composite output power. - Page 5 Bell Mobility User Manual In-building Repeater Characteristics GST’s In-buildingrepeater is basically a combination of 800MHz 25dBm repeaters. Functional modules are classified as below: Cavity Filters to combine the Duplex input/output signals for: 800MHz. LNA (Low Noise Amplifier) Gain Block to transmit output signal to PAM (Power Amplifier Module)
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Page 6: System Configuration
Bell Mobility User Manual In-building Repeater 2. System Configuration 2.1 In-building Repeater Service Network Configuration <Pic.1> In-building Repeater Service Organization... -
Page 7: System Design And Operation
Bell Mobility User Manual In-building Repeater 2.2 System Design and Operation 2.2.1 System Design <Pic.2> In-building Repeater Internal Design... - Page 8 Bell Mobility User Manual In-building Repeater <Pic.3>> In-building Repeater Port Design...
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Page 9: Downlink/ Uplink Path
Bell Mobility User Manual In-building Repeater 2.2.2 Downlink/ Uplink Path In-building RF Repeater simutaneously operates at 800MHz frequencies and has one Donor ANT Port for aiming at each BTS, and one Server Port for the In-building coverage. Therefore the Cavity Filters applied to the Front End of Donor ANT Port and Server ANT Port consists of DPX, has DPX which multiplexes all Tx/Rx into one path. -
Page 10: Frequency Selection
Bell Mobility User Manual In-building Repeater 2.2.3 800MHz Frequency Selection Lower B (5MHz) Lower B (5MHz) Upper B (5MHz) Upper B (5MHz) Blank Blank B’ B’ 891.5 891.5 800MHz Downlink Frequency Table Lower B (5MHz) Lower B (5MHz) Upper B (5MHz) Upper B (5MHz) Blank Blank... -
Page 11: Specifications
Bell Mobility User Manual In-building Repeater 3. SPECIFICATIONS 3.1 System Capacity Item Specification Remark DOWNLINK 880MHz ~ 894MHz 14MHz Frequency UPLINK 835MHz ~ 849MHz 14MHz Donor Tx / Rx Port Server Tx / Rx Capacity OMNI Bandwidth 14MHz Output Power +25dBm / 316mW (ANT Port) Total... -
Page 12: System Specifications
Bell Mobility User Manual In-building Repeater 3.2 System Specifications Parameter Specification Remark DL: 880~894MHz B+B’ UL: 835~849MHz DL: 880 ~ 890MHz UL: 835 ~ 845MHz DL: 891.5 ~ 894MHz B’ Band Select 1dB BW UL: 846.5 ~ 849MHz DL: 880 ~ 885MHz Lower B UL: 835 ~ 840MHz Upper B... -
Page 13: Electrical And Environmental Specifications
Bell Mobility User Manual In-building Repeater 3.3 Electrical and Environmental Specifications Item Specification Remark RF Connector N-Type Female Donor & Server ANT Port Power MS3102A-10SL (3Pin) MIL-C-5015 Type Connector SCK-16-2P (2Pin) Circular Type AC Supply AC 120V 60Hz 3.0A Out Dimension 450(L)*410(W)*199(H) Net Weight 17.6... -
Page 14: Functions
Bell Mobility User Manual In-building Repeater 3.4 Functions Parameter Specification • Adjustable DL and UL Gain range 50~80dB (800MHz) Gain Control • Display default Gain and current Gain function • AGS (Auto Gain Setting) Use for convenient Set-up Auto Gain Setting •... - Page 15 Bell Mobility User Manual In-building Repeater Power Monitoring • Monitoring repeater’s output level Function • Isolation Check in initial set up or Reset • Monitoring Oscillation comparing to minimum/maximum Noise Floor level Oscillation Check • When Oscillation occurred, repeater attempts to stabilize Isolation through Gain control function. •...
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Page 16: Setup
4.1. Equipment Needed for In-buildingRepeater Setup Parameter Item Quantity Remark Major Component Repeater GRS-DUO24M-BC 1 EA Provided by GST Mounting Bracket 1 EA CD which contains User Manual 1 EA V.1.0 and Installation Guide V.1.0 Ethernet Cable 6.6ft (2m) 1 EA Additional Ground Cable 6.6ft (2m) - Page 17 Bell Mobility User Manual In-building Repeater 4.1.3 System Setup 1) This equipment is basically wall mountable. 2) Installer will have to connect the power supply (after verifying the input power) and RF cable to the Repeater and then it will be ready to use. 3) For grounding, there is a grounding terminal in main power supply which will be plugged into power outlet.
- Page 18 Bell Mobility User Manual In-building Repeater 4.1.4 Open for Service 1) Check points before open: a. Verification of system installation status: - Electricity, In/Out antennas, cable connection, and equipment mount status. b. Verification of system accessories: - User should check all necessary accessories. c.
- Page 19 In most cases of major repairs, GST will simply replace the unit and conduct repairs at the appropriate facility. 4.2.1 Necessary Testing and Measuring Equipment...
- Page 20 Technician should check external and internal connectors to ensure that all connections are tightly secure. These connectors should be cleaned regularly. c . If technician thinks there is a serious problem, call after sales team for over-the- phone technical support. 1-866-9-GST-USA (1-866-947-8872)
- Page 21 Bell Mobility User Manual In-building Repeater 4.2.4 Troubleshooting Guide Item Check Point Trouble shooting Note before Input Level * System Input power range system Downlink (800MHz) -55dBm/Total ~ -25dBm/Total operation Uplink (800MHz) -55dBm/Total ~ -25dBm/Total Note before Gain * System Gain system Downlink (800MHz) 50 ~ 80dB...
- Page 22 Bell Mobility User Manual In-building Repeater 4.2.5 Troubleshooting Guide Related to RF Symptom Check Point Troubleshooting When repeater * Check Electricity Cord does not work * Re-plug in AC power cord connection status properly When repeater * Please verify AC power input by using DVM (Digital Voltage * Checking electricity input to does not work Meter)
- Page 23 Bell Mobility User Manual In-building Repeater When in * Reset AC power upon completing Alarm * DL, UL PAM alarm alarming troubleshooting When in * Verify DC power by using DVM (Digital Voltage Meter) alarming * DC matter/Current alarm * Reset AC power upon completing Alarm troubleshooting.
- Page 24 Bell Mobility User Manual In-building Repeater * Technician should connect When output antenna with output port of * Reconnect the connector. power is no repeater. * Change it if the connector is defective. longer problem * Please make sure all connectors are fastened When output power is no...
- Page 25 Bell Mobility User Manual In-building Repeater In case Output * Check connection fastened Signal between antenna and cable wavelength is (Signal wavelength should be * If connection is not proper, reconnect cable and connector not shown flat flat and stable if technicians and then check the output power again.
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Page 26: Ic Information
Bell Mobility User Manual In-building Repeater 5. IC Information General Information Transmitter Antenna This device has been designed to operate with the antennas listed below, and having a maximum gain of 80 dB. Antennas not included in this list or having a gain greater that cable loss of Antenna to Repeater t han 12 dB are strictly prohibited for use with this device.
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