GS Instech SMT-I33 In-Building RF Repeater User Manual

GS Instruments Co., Ltd. In-Building RF Repeater

User Manual

Smart-Cell Repeater User Manual 33 dBm Febuary, 2015 Version 1.1
Verizon User Manual Smart-Cell Repeater 2 - INDEX - 1. INTRODUCTION .......................................................................................................................... 4 1.1. Warning .................................................................................................................................................................................... 4 1.1.1 FCC Warning Statements ....................................................................................................................................... 4 1.2. GST Smart-Cell Repeater Advantages ........................................................................................................................ 5 1.3. Repeater Operation ............................................................................................................................................................ 5 1.4. Abbreviation ........................................................................................................................................................................... 7 2. SYSTEM CONFIGURATION ........................................................................................................ 8 2.1. Smart-Cell Repeater Service Network Configuration ......................................................................................... 8 2.2. System Design and Operation ...................................................................................................................................... 9 2.2.1. System Design ............................................................................................................................................................ 9 2.2.2. Downlink/ Uplink Path ..........................................................................................................................................10 2.2.3. 700MHz Frequency Selection ............................................................................................................................11 2.2.4. 800MHz Frequency Selection ............................................................................................................................11 2.2.5. 850MHz Frequency Selection ............................................................................................................................12 2.2.6. 1900MHz Frequency Selection ..........................................................................................................................12 2.2.7. 2100MHz Frequency Selection ..........................................................................................................................13 3. SYSTEM SPECIFICATIONS ........................................................................................................ 14 3.1. RF Performance ..................................................................................................................................................................14 3.2. System Specifications.......................................................................................................................................................15 3.3. Electrical and Environmental Specifications ..........................................................................................................16 3.4. Functions ...............................................................................................................................................................................16 4. SETUP .......................................................................................................................................... 18 4.1. Equipment Needed for Repeater Setup .................................................................................................................18 4.1.1. Check points before turning on the Repeater ..........................................................................................18 4.1.2. Open for Service ......................................................................................................................................................19 4.1.3. Signal Strength LED Check .................................................................................................................................20 4.2. Setting up the Repeater .................................................................................................................................................21
Verizon User Manual Smart-Cell Repeater 3 4.2.1. Quick GUI/Configuration .....................................................................................................................................21 4.2.2. Quick Setup ................................................................................................................................................................21 4.3. Web UI Ranges Table.......................................................................................................................................................22 4.4. Troubleshooting..................................................................................................................................................................23 4.4.1. Simple Troubleshooting Method .....................................................................................................................23 4.4.2. Alarm Information ...................................................................................................................................................23 4.4.3. Troubleshooting Guide Related to RF............................................................................................................27 4.4.4. Troubleshooting Guide Related to NMS ......................................................................................................30
Verizon User Manual Smart-Cell Repeater 4 1. INTRODUCTION Smart-Cell is a repeater, which has been designed to improve signals in blanket/shadow areas inside of buildings to transmit Verizon’s signals at 700MHz, 850MHz, 1900MHz, and 2100MHz frequencies. User may choose filtering configuration according to the specific site circumstances. 1.1. Warning 1.1.1 FCC Warning Statements 1) FCC Part 15.19 : This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. 2) FCC Part 15.105 : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the
Verizon User Manual Smart-Cell Repeater 5 receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. 3) FCC Part 15.21 : Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. 4) RF Exposure : This equipment is not enclosing antenna and not demand specific vendor of antennas. Use an antenna as operator’s guidance. But, the antennas must be installed such that a minimum separation distance of at least 130cm is maintained between the radiator (antenna) and all persons at all times. This device must not be co-located or operating in conjunction with any other antenna or transmitter. 1.2. GST Smart-Cell Repeater Advantages  It provides selectable RF power levels for any wireless technology / band.  It has individual monitoring multiple technology.  FPGA digital filtering provides optimized RF performance.  It allows modification of technology via customer interface.  It is easily installed.  Frequency is easy to add / delete / change.  It has scalable single and multi-service design.  Customer data service is improved by adding 4G (LTE ).  It meets all Verizon’s technology requirements.  It guarantees 5 year warranty for all individual components.  Its modular design is a customer friendly and efficient. 1.3. Repeater Operation Simple replacing of the amplifier unit allows to change service. Smart-Cell repeater provides services at 700MHz, 800MHz, 850MHz, 1900MHz, and 2100MHz. One PSU supplies electricity to maximum 4 amplifier units
Verizon User Manual Smart-Cell Repeater 6 2.1. Certification panel & Warning Label Figure 1. Panel & Label
Verizon User Manual Smart-Cell Repeater 7 1.4. Abbreviation DFM Digital Filter Module PSU Power Supply Unit ALC Auto Level Control SNMP Simple Network Management Protocol AOC Auto Oscillation Check Caution: Risk of explosion if battery on the controller board is replaced by an incorrect type.
Verizon User Manual Smart-Cell Repeater 8 2. SYSTEM CONFIGURATION 2.2. Smart-Cell Repeater Service Network Configuration Smart-Cell RF Repeater is designed for improving coverage and capacity of Verizon’s LTE & CDMA services nationwide. The repeater can provide coverage for all troubled areas such as suburban, shadow areas, backside of mountains, urban and metropolitan locations. GST products are easy to install, have remote status monitoring and control functions (NMS System) via wired line and wireless modems. <Figure 1> In-building Repeater Service Organization
Verizon User Manual Smart-Cell Repeater 9 2.3. System Design and Operation 2.3.1. System Design <Figure 2> Smart-Cell Repeater Front Design NO. PART NO. PART 1 SNMP 10 WAN 1 2 FEU (Cavity Filter) , optional 11 WAN 2 3 Service Unit #1 12 Modem Connector 4 Service Unit #2 13 Donor Port 5 Service Unit #3 14 Coverage Port 6 Service Unit #4 15 Status LED (RUN/Alarm/Shutdown) 7 CLI 16 Input / Output LED 8 UPS 17 Release Button 9 LAN
Verizon User Manual Smart-Cell Repeater 10 <Figure 3> Repeater Port Design (Rear View) NO. PORT NO. PORT 1 Main FAN 4 DC 12V output (for EMB) 2 PSU FAN 5 Power Cable 3 Main Switch 2.3.2. Downlink/ Uplink Path The Smart-Cell repeater improves service in the 700MHz, 800MHz, 850MHz, 1900MHz and 2100MHz frequency bands. User may select frequency band according to the site peculiarities. After receiving a weak signal from donor antenna, the repeater improves and sends securely isolated signal out to service antenna. Amplifier unit is designed for correspondent operation with digital filter module (DFM). The AMP unit consists of a down and up converters, cavity filter and power amplifier (PAU). In Downlink Path, a weak RF signal is received from Donor Antenna. Being converted from RF to IF signal, it is transferred to the DFM, where after digitalizing by DA converter, signal is filtered by FPGA. After filtering digital, signal is converted into analog RF signal with modulator. Transmit to amplifier. Desirable signal is amplified and outputted through Service Antenna. Uplink path works vice versa. 1 2 3 5 4
Verizon User Manual Smart-Cell Repeater 11 <Figure 4> Smart-Cell Repeater Block Diagram 2.3.3. 700MHz Frequency Selection <Figure 5> Smart-Cell Repeater 700 Block Diagram 700MHz Amp Unit provides a service that meets the 3GPP2 LTE standard. Support up to two non-contiguous blocks. And each block has the minimum 5MHz bandwidth. 2.3.4. 800MHz Frequency Selection <Figure 6> Smart-Cell Repeater 800 Block Diagram 800MHz Amp Unit has service Cellular 1FA and provides LTE 5MHz (25RB) by default. ADC DFM
Verizon User Manual Smart-Cell Repeater 12 On / Off control of the service Block is possible. Each block‘s bandwidth are as follows. (CDMA[UL] – 1.25MHz, LTE[UL] – 4.505MHz, CDMA[DL] – 1.25MHz, LTE[DL] – 4.505MHz) 2.3.5. 850MHz Frequency Selection <Figure 7> Smart-Cell Repeater 850 Block Diagram 850MHz Cellular service provides by default, and supports up to two non-contiguous blocks. Each block‘s bandwidth are as follows, and it is possible to choose any combination of any band. (A1 - 11MHz, B1 - 10MHz, A2 - 1.5MHz, B2 - 2.5MHz.) 2.3.6. 1900MHz Frequency Selection <Figure 8> 1900MHz Band Frequency 1900MHz AMP Unit is basically complied with PCS Band block, where maximum three non-contiguous filtering configurations are available. Each sub block is adjustable per 1.25MHz bandwidth step up to 20MHz. Following table shows user selectable channel numbers. BAND DL CENTER [MHz] CHANNEL BAND DL CENTER [MHz] CHANNEL A A1 1931.25 25 guard 1965 700 1932.5 50 E 1966.25 725 1933.75 75 1967.5 750 guard 1935 100 1968.75 775 A2 1936.25 125 guard 1970 800 1937.5 150 F 1971.25 825 1938.75 175 1972.5 850 guard 1940 200 1973.75 875
Verizon User Manual Smart-Cell Repeater 13 A3 1941.25 225 guard 1975 900 1942.5 250 C C1 1976.25 925 1943.75 275 1977.5 950 guard 1945 300 1978.75 975 D 1946.25 325 guard 1980 1000 1947.5 350 C2 1981.25 1025 1948.75 375 1982.5 1050 guard 1950 400 1983.75 1075 B B1 1951.25 425 guard 1985 1100 1952.5 450 C3 1986.25 1125 1953.75 475 1987.5 1150 guard 1955 500 1988.75 1175 B2 1956.25 525 1957.5 550 1958.75 575 guard 1960 600 B3 1961.25 625 1962.5 650 1963.75 675 2.3.7. 2100MHz Frequency Selection <Figure 7> 2100MHz Band Frequency 2100 Amp Unit has basically satisfies the CDMA standard, and supports non-contiguous 2 block. If you select “contiguous button”, Web UI has select the contiguous F band. And you don’t select “Contiguous button”, Web UI has select the each band of F1 and F2. Frequency range of each band as follows. BAND Downlink Uplink Start Stop Start Stop F F1 2145.15 2149.85 1745.15 1749.85 guard - - - - F2 2150.15 2154.85 1750.15 1754.85 F1 F2
Verizon User Manual Smart-Cell Repeater 14 3. SYSTEM SPECIFICATIONS 3.1. RF Performance Item Specification Remark Frequency 700MHz DL : 728.5MHz ~ 739.5MHz 746MHz ~ 756MHz UL : 698.5MHz ~ 709.5MHz 777MHz ~ 787MHz 10MHz + 10MHz 800MHz DL : 862MHz ~ 863.8MHz 864MHz ~ 868.6MHz UL : 817MHz ~ 818.8MHz 819MHz ~ 823.6MHz 1.8MHz + 4.8MHz 850MHz DL : 869MHz ~ 894MHz UL : 824MHz ~ 849MHz 25MHz 1900MHz DL : 1930MHz ~ 1990MHz UL : 1850MHz ~ 1910MHz 60MHz 2100MHz DL : 2145MHz ~ 2155MHz UL : 1745MHz ~ 1755MHz 10MHz Maximum Input Power -27dBm Output Power (ANT Port) +33dBm / 2W Total
Verizon User Manual Smart-Cell Repeater 15 3.2. System Specifications Parameter Specification Remark Gain Range 60dB ~ 90dB Adjust Step ±0.5dB Adjust Accuracy ±1dB Flatness 700MHz < 3.0dBp-p 800MHz 850MHz 1900MHz 2100MHz < 5.0dBp-p Propagation Delay ≤ 6us VSWR 1.7 : 1 Noise Figure Max Gain < 7dB ACP 750MHz 45dBc @±5MHz/10MHz 800MHz > 45 dBc ±750KHz >50dBc@±1.98KHz CDMA 45dBc @±5MHz/10MHz LTE 850MHz > 45 dBc ±885KHz >52dBc@±1.98KHz <-13dBm@Fc±2.25MHz (RBW: 1MHz) 1900MHz > 45 dBc ±750KHz >52dBc@±1.98KHz <-13dBm@Fc±2.25MHz (RBW: 1MHz) 2100MHz 45dBc @±5MHz/10MHz Roll off 700MHz ±1MHz ＞ 45dBc 800MHz ±1MHz ＞ 45dBc 850MHz ±1MHz ＞ 45dBc ±250kHz ＞ 30dBc 1900MHz ±1MHz ＞ 50dBc 2100MHz ±1MHz ＞ 40dBc Characteristic Impedance 50Ω
Verizon User Manual Smart-Cell Repeater 16 3.3. Electrical and Environmental Specifications Item Specification Remark RF Connector N-Type Female Donor & Server ANT Port AC Supply AC 110V 60Hz 3.0A Out Dimension 3.1” x 15.5” x 7.7” AMP unit 19” x 19” x 7.9” System (Rack mount) Weight 13lbs 700 unit 11.5lbs 850 unit 11.5lbs 1900 unit 10lbs 2100 unit 23 19” rack + NMS + PSU (except AMP units and FEU) Operation Temperature -10℃ ~ +50℃ Convection cooling Humidity 5% ~ 95% Non-condensing Vibration Resistance 1G, 10~150Hz 0.1 Octaves/min MTBF 50,000 hours 3.4. Functions Parameter Specification Gain Control • Adjustable DL and UL Gain range 60dB ~ 90dB. • Display default Gain and current Gain function ALC Auto Limit Control • To limit output powers as far as default range. • Used for DAS configuration and when oscillation/isolation is a concern. • Automatic Gain decrement when output power of repeater is higher than default level. • Automatic Gain recovery when output power of repeater is reduced. • Shutdown when output power is higher than default level in the minimum gain. • Automatic Recovery Algorithm conversion after shutdown status. Band Select • 700MHz : Lower A(5MHz)/Lower B(5MHz)/Upper C(10MHz) • 850MHz : A1(11MHz)/B1(10MHz)/A2(1.5MHz)/B2(2.5MHz) • 1900MHz : 1.25MHz ~ 20MHz/1.25MHz step
Verizon User Manual Smart-Cell Repeater 17 • 2100MHz: 5MHz/10MHz Power Monitoring • Monitoring repeater’s output level. Oscillation Check • Isolation Check in initial set up or Reset. • When Oscillation occurred, repeater attempts to stabilize Isolation through Gain control function. • Shutdown repeater when oscillation still occurs in the minimum Gain. • Automatic Recovery Algorithm conversion after shutdown status. Automatic Recovery • When repeater is shutdown, it periodically recovers output power of repeater then monitors alarming. Security • Support HTTPS for Web Browser security. • User authentication through User ID and Password. AOC Auto Oscillation Check Function • AOC Use for prevented oscillation VSWR Monitoring • Monitoring VSWR of Service ANT Port. • Reporting VSWR Alarm and Shutdown when the rate is 3:1. DHCP Client • Automatic IP assignment. DHCP Server • Server function for automatic IP assignment. Web GUI • Remote and local user browser support through Web Browser. SNMP Agent • NMS report via SNMPv2 Trap. LED Display • LED displays power and operation status on front side of repeater system. • Input and Output signal levels are verified by LED bars. AOC onIsolation Detect < Isolation LimitALC Attenuation+5dBIsolation Detect < Isolation Limit-4ALC Attenuation+1dBNoYesALC Attenuation ≥30dB ShutdownYesYesNoIsolation Detect > Isolation Limit-3ALC Attenuation-1dBYesNoNo
Verizon User Manual Smart-Cell Repeater 18 4. SETUP 4.1. Equipment Needed for Repeater Setup Parameter Item Quantity Remark Major Component Smart-Cell Repeater 1 EA Provided by GST Additional Components WALL Mounting Bracket CD which contains User Manual V.1.0 and Installation Guide V.1.0 Ethernet Cable 6.6ft (2m) Ground Cable 6.6ft (2m) Ground Sems Screw M4 x 8mm Bracket Sems Screw M6 x 10mm Lag Screw 12.7mm x 50.8mm FEU-AMP unit cable FEU-Wall Bracket cable 1 EA 1 EA 1 EA 1 EA 4 EA 4 EA 4 EA 8 EA 2 EA Provided by GST Antenna Donor ANT Server ANT 1 EA 1 EA Not Included RF Cable Antenna connection Cable TBD Not Included Testing and Measuring Equipment Spectrum Analyzer 1 EA Not Included 4.1.1. Check points before turning on the Repeater 1) System Power Check ① AC electrical power to the repeater should be 110V, input electricity only after power verification. 2) Input RF Signal Range ① Optimal input RSSI into the repeater is -57dBm ~ -27dBm for 700MHz/850MHz/1900MHz/2100MHz. User should verify input condition of Donor ANT. If the input RSSI exceeds -27dBm, then external attenuators should be used.
Verizon User Manual Smart-Cell Repeater 19 3) Isolation check between DONOR/SERVEICE ANT ① Isolation condition of this equipment is 105dBc (Gain+15dB). User should check its condition before installation. 4.1.2. Open for Service 1) Check points before open: ① Verification of system installation status :  Electricity, In/Out antennas, cable connection, and equipment mount status. ② Verification of system accessories :  User should check all necessary accessories. ③ Check receipt signal level :  Installer should check whether environmental conditions are in accordance with system specification to ensure that system operation will be optimized. 2) Check points after open: ① Check external LED  RUN: Green light ON (Off: all lights off)  ALARM: Green light in normal status, Red light in alarming  SHUT DOWN: Green light in normal status, Red light in Shutdown status
Verizon User Manual Smart-Cell Repeater 20 4.1.3. Signal Strength LED Check Number of LED bars Input Signal Level Output Power Signal Level LED 1 bar Less than -86dBm Less than +5dBm LED 2 bars -85dBm ~ -79dBm +6dBm ~ +10dBm LED 3 bars -78dBm ~ -72dBm +11dBm ~ +15dBm LED 4 bars -71dBm ~ -65dBm +16dBm ~ +20dBm LED 5 bars More than -64dBm More than +21dBm <Figure 9> Modular Repeater Front LED
Verizon User Manual Smart-Cell Repeater 21 4.2. Setting up the Repeater 4.2.1. Quick GUI/Configuration Use the following steps to commission the Repeater after all the cabling and antennas are fixed in place and the Repeater is supplied with proper electrical power. The repeater will need a good quality stable Downlink RSSI input level in the range of -85dBm to -60dBm. 1) Connect your laptop to the repeater with a Crossover Ethernet cable. 2) Verify that your laptop has all wireless connections off and is Obtaining an IP address automatically, or is using a proper fixed IP address such as: Use the following IP address: 172.16.6.81 with a Subnet Mask of 255.255.255.252. 3) Open Internet Explorer and go to: 172.16.6.81 4) User name: admin 5) Password: admin 4.2.2. Quick Setup 1) Go to the RF Configuration page. 2) Before the Amplifier (HPA) can be turned on, set the Uplink and Downlink attenuation (ATT) to the maximum value and click Apply. 3) Select the correct Band Block and set the ALC Downlink and Uplink Limits to the desired level and click Apply. (To adjust the Output Power, change the ALC Downlink and Uplink Limits to the desired levels). 4) To check the Repeater’s status, click on the Status page. 5) To change the Repeater’s gain/attenuation, adjust the Uplink and Downlink attenuation in equal amounts not more than 5dB at a time and click Apply.
Verizon User Manual Smart-Cell Repeater 22 4.3. Web UI Ranges Table GUI Feature Range Description Downlink and Uplink Output Power Display Below 0dBm to 35dBm The output Power of the Repeater Downlink Low RF Power 2dB to 10dB Threshold for Low RF Power Downlink and Uplink Attenuation Control 0dB to 30dB Reduces Gain Internally Downlink and Uplink ALC Limit 0dBm to 33dBm Limits Output Power Downlink RSSI Display -100dBm to -27dBm Downlink Receive Level at Donor Antenna Port Downlink Low RSSI -93dBm to -57dBm Threshold for Low RSSI Downlink and Uplink AMP Control On/Off High Powered Amplifier Gain Balance Control On/Off Equalizes Uplink and Downlink Gain Gain Balance Value 0dB to 15dB Subtract Uplink Gain by G/B Value Shutdown Control On/Off Shutdown if Major Alarm is Reported Auto Gain Setting On/Off Automatic Gain Setting for the Repeater Auto Oscillation Check On/Off Preventing Oscillation Temperature Display 32 to 260.6 Degrees Internal Repeater Temperature AMP Temperature Upper Limit 0 to 299 Degrees Threshold for Temperature Alarm Band Blocks Used/Bandwidth Each AMP The Channel the Repeater will be using Delay Alarm Report 0 or 5 Minutes Time Delay of Reporting after Alarm is Detected
Verizon User Manual Smart-Cell Repeater 23 4.4. Troubleshooting In case of abnormal operation, technician should diagnose abnormality via remote access or directly connecting to repeater using Ethernet cable. If technician is required to conduct repairs due to major alarm, repeater should first be powered off, and then technician should prepare the proper measurement equipment before trying to fix the problem. In most cases of major repairs, GST will simply replace the unit and conduct repairs at the appropriate facility. 4.4.1. Simple Troubleshooting Method 1) Verify LED Status, both on external LED’s as well as internal module LED’s - Normal operation: Green light on. Alarming: Red LED on. 2) Technician should check external and internal connectors to ensure that all connections are tightly secure. These connectors should be cleaned regularly. 3) 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) 4.4.2. Alarm Information Alarm Name What causes this alarm Troubleshooting Methods Downlink Spurious emissions out of spec Downlink Output Power exceeds Downlink Upper Limit * The Downlink Output Power should not exceed the maximum composite power spec for this unit. * If the Downlink Output Power is not exceeding the composite power spec for this unit, try to increase the Downlink Upper Limit on the RF Configuration Page. * Add equal amounts of Uplink and Downlink attenuation until the Downlink Output Power is less than the Downlink Upper Limit. * Set the ALC Downlink Limit on the RF Configuration Page to a value lower than the Downlink Upper Limit
Verizon User Manual Smart-Cell Repeater 24 Downlink Hardware failure Downlink path gain is 6dB less than RSSI plus Output Power * By default, if the Downlink Low Output Variance is set to 10dB, the Repeater will not report this alarm. * Increase the Downlink Low Output Variance on the RF Configuration Page. Downlink Donor power too low Input RSSI from Donor site is 8dB less than Downlink Low Input Limit * By default, if the RSSI Lower Limit is set to -93dBm, the Repeater will not report this alarm. * Decrease the Downlink Low RSSI Limit level on the RF Configuration Page. * Increase the RSSI level into the Repeater. Downlink VSWR When the VSWR Ratio on the Server Port is greater than 3 : 1 * "Sweep the line" to check for loose or damaged connectors and/or cabling. * If after checking the entire Server side, the VSWR alarm still exists and the system is working fine, Disable the alarm on the Alarm Configuration page. Downlink Donor power too high Downlink Input Power exceeds -25dBm * Check the direction of donor antenna * Even if higher input power after the modifying direction of donor antenna, Be adding an attenuator at the Donor port. Downlink Synthesizer failure Synthesizer (in Downlink path) has occur Failure * By using a switch on the back of the repeater, resets the power * Call to GST’s Tech Support Team and exchange the AMP unit. Downlink Interfere power exceeded If an external signal is higher than the in band signal, more than 15dB signal * Call the GST’s Tech Team, resolved in accordance with the procedure. Uplink Out of band emissions out of spec Uplink Output Power exceeds Uplink Upper Limit * The Uplink Output Power should not exceed the maximum composite power spec for this unit. * If the Uplink Output Power is not exceeding the composite power spec for this unit, try to increase
Verizon User Manual Smart-Cell Repeater 25 the Uplink Upper Limit on the RF Configuration Page. * Add equal amounts of Uplink and Downlink attenuation until the Uplink Output Power is less than the Uplink Upper Limit. * Set the ALC Uplink Limit on the RF Configuration Page to a value lower than the Uplink Upper Limit Uplink Power at coverage port too high Uplink Input Power is higher than -25dBm * Check the direction of Coverage antenna * When another device is connected to the Coverage port as DAS System 1) Add an attenuator on Coverage port, or 2) Uplink to adjust the output of the additional equipment. Uplink Synthesizer failure (Uplink Hardware failure) Synthesizer (in uplink path) has occur Failure * By using a switch on the back of the repeater, resets the power * Call to GST’s Tech Support Team and exchange the AMP unit. Uplink (Downlink) Software failure When an alarm occurs in DFM's at the AMP unit. * By using a switch on the back of the repeater, resets the power * Call to GST’s Tech Support Team and exchange the AMP unit. Oscillation detected/Low isolation Insufficient isolation is detected when the Repeater is at minimum gain * Verify that the Donor antenna is on the same side of the building as the Donor site, and if needed, raise the Donor antenna up on a pole. * Change the types of antennas used, such as Yagi to Corner-Reflector for outdoors, and Omni to a Panel for indoor use. * Move the closest indoor service antenna farther away from the outside Donor antenna.
Verizon User Manual Smart-Cell Repeater 26 * Close the repeater door if opened and verify that the closest indoor coverage antenna is not in the same room as the repeater. Field Replaceable module failure Filter service has not matches between Amp Unit and DFM * Call to GST's Tech Support Team to verify that all the settings are correct. Tamper Detected When mount information (in the system ) is changed * After 5 minutes clear automatically. * If you want to disable, you can on the Alarm Configuration page. Communication Failure If the communication between the NMS Board and Amp Unit would not operating normally * SNMP board or AMP unit need to reset. * Open the rear cover and check the each cable. Power Supply out of range The internal Power Supply detects improper Voltage * If the system is working fine, disable the alarm on the Alarm Configuration page. * Call to GST's Tech Support Team to verify that all the settings are correct. Over Temperature Internal AMP temperature exceeds the Temperature Limit * Verify that the Temperature Limit is set between 176 °F ~ 201 °F on the RF Configuration page. (Default Value is 163°F) Reset alarm When the unit has reset * After 30 seconds clear automatically. Manual Shutdown When the operates shutdown algorithm, after re-check * By using a switch on the back of the repeater, resets the power * Reset the AMP unit, By Web UI. FAN in the event of a fan failure * Replace the fan
Verizon User Manual Smart-Cell Repeater 27 4.4.3. Troubleshooting Guide Related to RF Item Check Point Troubleshooting Check before system operation System input power range -Downlink: -100dBm ~ -27dBm -Uplink: -100dBm ~ -27dBm System gain (DL/UL) - 60dB ~ 90dB Output power at server port - Downlink: 33dBm ± 2dB - Uplink: 33dBm ± 2dB Check points before open for service -Please check quantity of all accessories with specification before you set up -Fit cable length in accordance with field condition Check after system operation Check points after open for service Check following status; -Verify that the antennas are securely mounted and pointed in the correct directions -Connection status between antennas and RF cable -Verify that the Repeater is securely mounted -Proper AC power status -Grounding status of electrical circuit -Coaxial cable (RF) construction status -Connectors and combiners connection status -Cable connection status against leakage of water When repeater does not work properly Check electricity cord connection status -Re-plug in Adapter cord
Verizon User Manual Smart-Cell Repeater 28 When in alarming DL VSWR alarm Please Check following status; -Make sure Server Antenna Port is disconnected. -Please reset Adapter upon completing Alarm troubleshooting DL over-output alarm -Make sure output power is operating normally -Please Reset Adapter upon completing Alarm troubleshooting UL over-output alarm -Please make sure output level is operating normally -Please reset Adapter upon completing Alarm troubleshooting Temperature alarm Check following status; -Setting level of maximum temperature limit -Temperature offset is normal or not -Circumstances of temperature -Please Reset Adapter upon completing Alarm troubleshooting RF off -Verify that the HPA’s are On -Please Reset Adapter upon completing Alarm troubleshooting When output power is no longer problem Technician should verify category of alarm at the front side of repeater -When Red light on the Shutdown LED, technician should troubleshoot the alarm via Notebook computer -Technician should connect antenna with output port of repeater -Please make sure all connectors are fastened -Reconnect the connector -Change it if the connector is defective Check the input level -Increase output power or check input change of BTS side
Verizon User Manual Smart-Cell Repeater 29 Check gain of the unit -If the Gain is different from normal level, please contact A/S team Cable connector loose -It is possible for connectors to get too tight and damage the equipment or throughput -Please contact installer or service provider upon verification In case of dropped call or bad signal after set up Check input signal strength in the service area -Increase output power level of repeater by adjusting attenuation level If input signal strength is not a problem, please check delay of calling time -Increase output level of Uplink signal, then set to optimal level. Check RSSI signal strength -Contact network management team or service provider In case output Signal wavelength is not shown flat or looks like oscillation Check connection fastened between antenna and cable (Signal wavelength should be flat and stable if technicians shake CABLE. If not, it is connection problem) -If connection is not proper, reconnect cable and connector and then check the output power again Input level change or module overheating -Check input level from BTS side. -Check performance of each module (Diagnosed by A/S team) Please check VSWR of the cable is normal -Change to normal Cable
Verizon User Manual Smart-Cell Repeater 30 4.4.4. Troubleshooting Guide Related to NMS Symptom Check Points Troubleshooting Link Fail Communication problem -In case of Ethernet, verify IP addressing, DHCP function, and that cookies are deleted -Verify that a crossover Ethernet cable is being used CLI connection, cable status check -Make sure 1:1 connection -Follow instructions in the installation guide for this connection procedure CLI connection Check by USB to serial cable -Please verify port number of PC communication -Please check cable connection status 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). 6900 College Blvd. Suite 850Overland Park, Kansas 66211Tel: 913 469 6699Fax: 913 661 0163Email: support@gsteletechinc.comWeb: http//www.gsteletechinic.com6900 College Blvd. Suite 850Overland Park, Kansas 66211Tel: 913 469 6699Fax: 913 661 0163Email: support@gsteletechinc.comWeb: http//www.gsteletechinic.com

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