Smart-Cell Repeater
User Manual
33 dBm
Febuary, 2015
Version 1.1
Verizon User Manual
Smart-Cell Repeater
- 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
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
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
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
2.1. Certification panel & Warning Label
Figure 1. Panel & Label
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Smart-Cell Repeater
1.4. Abbreviation
DFM
Digital Filter Module
PSU
Power Supply Unit
ALC
Auto Level Control
SNMP
AOC
Simple Network Management Protocol
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
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.
In-building Repeater Service Organization
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Smart-Cell Repeater
2.3. System Design and Operation
2.3.1. System Design
Smart-Cell Repeater Front Design
NO.
PART
NO.
PART
SNMP
10
WAN 1
FEU (Cavity Filter) , optional
11
WAN 2
Service Unit #1
12
Modem Connector
Service Unit #2
13
Donor Port
Service Unit #3
14
Coverage Port
Service Unit #4
15
Status LED (RUN/Alarm/Shutdown)
CLI
16
Input / Output LED
UPS
17
Release Button
LAN
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Smart-Cell Repeater
Repeater Port Design (Rear View)
NO.
PORT
NO.
PORT
Main FAN
DC 12V output (for EMB)
PSU FAN
Power Cable
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.
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Verizon User Manual
Smart-Cell Repeater
DFM
Smart-Cell Repeater Block Diagram
2.3.3. 700MHz Frequency Selection
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
Smart-Cell Repeater 800 Block Diagram
800MHz Amp Unit has service Cellular 1FA and provides LTE 5MHz (25RB) by default.
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Verizon User Manual
Smart-Cell Repeater
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
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
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
A1
guard
A2
guard
DL CENTER
CHANNEL
BAND
1931.25
25
guard
1932.5
50
1933.75
75
1935
100
1936.25
125
1937.5
150
1938.75
175
1940
200
[MHz]
guard
12
DL CENTER
[MHz]
CHANNEL
1965
700
1966.25
725
1967.5
750
1968.75
775
1970
800
1971.25
825
1972.5
850
1973.75
875
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Smart-Cell Repeater
A3
guard
guard
B1
guard
B2
guard
B3
1941.25
225
1942.5
250
1943.75
275
1945
300
1946.25
325
1947.5
350
1948.75
375
1950
400
1951.25
425
1952.5
450
1953.75
475
1955
500
1956.25
525
1957.5
550
1958.75
575
1960
600
1961.25
625
1962.5
650
1963.75
675
guard
C1
guard
C2
guard
C3
1975
900
1976.25
925
1977.5
950
1978.75
975
1980
1000
1981.25
1025
1982.5
1050
1983.75
1075
1985
1100
1986.25
1125
1987.5
1150
1988.75
1175
2.3.7. 2100MHz Frequency Selection
F1
F2
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.
Downlink
BAND
Uplink
Start
Stop
Start
Stop
F1
2145.15
2149.85
1745.15
1749.85
guard
F2
2150.15
2154.85
1750.15
1754.85
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Smart-Cell Repeater
3.
SYSTEM SPECIFICATIONS
3.1.
RF Performance
Item
Specification
Remark
DL : 728.5MHz ~ 739.5MHz
700MHz
746MHz ~ 756MHz
UL : 698.5MHz ~ 709.5MHz
10MHz + 10MHz
777MHz ~ 787MHz
DL : 862MHz ~ 863.8MHz
800MHz
Frequency
864MHz ~ 868.6MHz
UL : 817MHz ~ 818.8MHz
1.8MHz + 4.8MHz
819MHz ~ 823.6MHz
850MHz
1900MHz
2100MHz
DL : 869MHz ~ 894MHz
UL : 824MHz ~ 849MHz
DL : 1930MHz ~ 1990MHz
UL : 1850MHz ~ 1910MHz
DL : 2145MHz ~ 2155MHz
UL : 1745MHz ~ 1755MHz
Maximum Input Power
-27dBm
Output Power (ANT Port)
+33dBm / 2W Total
14
25MHz
60MHz
10MHz
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Smart-Cell Repeater
3.2. System Specifications
Parameter
Gain
Specification
Range
60dB ~ 90dB
Adjust Step
±0.5dB
Adjust Accuracy
±1dB
700MHz
< 3.0dBp-p
800MHz
Flatness
Remark
850MHz
1900MHz
< 5.0dBp-p
2100MHz
Propagation Delay
≤ 6us
VSWR
Noise Figure
1.7 : 1
Max Gain
< 7dB
750MHz
45dBc @±5MHz/10MHz
> 45 dBc ±750KHz
>50dBc@±1.98KHz
800MHz
45dBc @±5MHz/10MHz
> 45 dBc ±885KHz
ACP
850MHz
>52dBc@±1.98KHz
<-13dBm@Fc±2.25MHz (RBW: 1MHz)
> 45 dBc ±750KHz
1900MHz
>52dBc@±1.98KHz
<-13dBm@Fc±2.25MHz (RBW: 1MHz)
2100MHz
Roll off
45dBc @±5MHz/10MHz
700MHz
±1MHz
＞ 45dBc
800MHz
±1MHz
＞ 45dBc
±1MHz
＞ 45dBc
±250kHz
＞ 30dBc
1900MHz
±1MHz
＞ 50dBc
2100MHz
±1MHz
＞ 40dBc
850MHz
Characteristic Impedance
50Ω
15
CDMA
LTE
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Smart-Cell Repeater
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
Weight
3.1” x 15.5” x 7.7”
AMP unit
19” x 19” x 7.9”
System (Rack mount)
13lbs
700 unit
11.5lbs
850 unit
11.5lbs
1900 unit
10lbs
2100 unit
19” rack + NMS + PSU
23
(except AMP units and FEU)
Operation Temperature
-10℃ ~ +50℃
Convection cooling
Humidity
5% ~ 95%
Non-condensing
Vibration Resistance
MTBF
1G, 10~150Hz
0.1 Octaves/min
50,000 hours
3.4. Functions
Parameter
Gain Control
Specification
• Adjustable DL and UL Gain range 60dB ~ 90dB.
• Display default Gain and current Gain function
• To limit output powers as far as default range.
• Used for DAS configuration and when oscillation/isolation is a concern.
ALC
Auto Limit
Control
• 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.
• 700MHz : Lower A(5MHz)/Lower B(5MHz)/Upper C(10MHz)
Band Select
• 850MHz : A1(11MHz)/B1(10MHz)/A2(1.5MHz)/B2(2.5MHz)
• 1900MHz : 1.25MHz ~ 20MHz/1.25MHz step
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Smart-Cell Repeater
• 2100MHz: 5MHz/10MHz
Power
Monitoring
• Monitoring repeater’s output level.
• Isolation Check in initial set up or Reset.
• When Oscillation occurred, repeater attempts to stabilize Isolation through Gain
Oscillation Check
control function.
• Shutdown repeater when oscillation still occurs in the minimum Gain.
• Automatic Recovery Algorithm conversion after shutdown status.
Automatic
• When repeater is shutdown, it periodically recovers output power of repeater
Recovery
then monitors alarming.
Security
• Support HTTPS for Web Browser security.
• User authentication through User ID and Password.
• AOC Use for prevented oscillation
AOC on
ALC Attenuation-1dB
Isolation Detect
< Isolation Limit
AOC
Auto Oscillation
No
Isolation Detect
> Isolation Limit-3
Yes
Check Function
ALC Attenuation
≥30dB
ALC Attenuation
+1dB
No
Yes
Shutdown
No
ALC Attenuation
+5dB
Yes
Isolation Detect
< Isolation Limit-4
No
VSWR
• Monitoring VSWR of Service ANT Port.
Monitoring
• 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
SNMP Agent
LED Display
• Remote and local user browser support through Web Browser.
• NMS report via SNMPv2 Trap.
• LED displays power and operation status on front side of repeater system.
• Input and Output signal levels are verified by LED bars.
17
Yes
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Smart-Cell Repeater
4.
SETUP
4.1.
Equipment Needed for Repeater Setup
Parameter
Item
Quantity
Remark
Major Component
Smart-Cell Repeater
1 EA
Provided by GST
WALL Mounting Bracket
1 EA
CD which contains User Manual
1 EA
V.1.0 and Installation Guide V.1.0
Additional
Components
Ethernet Cable 6.6ft (2m)
1 EA
Ground Cable 6.6ft (2m)
1 EA
Ground Sems Screw M4 x 8mm
4 EA
Bracket Sems Screw M6 x 10mm
4 EA
Lag Screw 12.7mm x 50.8mm
4 EA
FEU-AMP unit cable
8 EA
FEU-Wall Bracket cable
2 EA
Donor ANT
1 EA
Server ANT
1 EA
Antenna connection Cable
TBD
Not Included
Spectrum Analyzer
1 EA
Not Included
Antenna
RF Cable
Testing and
Measuring Equipment
Provided by GST
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.
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Smart-Cell Repeater
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
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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
Modular Repeater Front LED
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Smart-Cell Repeater
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.
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4.3.
Web UI Ranges Table
GUI Feature
Range
Downlink and Uplink Output
Below 0dBm to
Power Display
35dBm
Downlink Low RF Power
2dB to 10dB
Threshold for Low RF Power
0dB to 30dB
Reduces Gain Internally
0dBm to 33dBm
Limits Output Power
Downlink and Uplink
Attenuation Control
Downlink and Uplink ALC
Limit
Description
The output Power of the Repeater
Downlink Receive Level at Donor
Downlink RSSI Display
-100dBm to -27dBm
Downlink Low RSSI
-93dBm to -57dBm
Threshold for Low RSSI
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
Auto Oscillation Check
On/Off
Preventing Oscillation
Temperature Display
32 to 260.6 Degrees
Internal Repeater Temperature
0 to 299 Degrees
Threshold for Temperature Alarm
Downlink and Uplink AMP
Control
AMP Temperature Upper
Limit
Band Blocks Used/Bandwidth
Each AMP
Delay Alarm Report
0 or 5 Minutes
22
Antenna Port
Automatic Gain Setting for the
Repeater
The Channel the Repeater will be
using
Time Delay of Reporting after Alarm is
Detected
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Smart-Cell Repeater
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-thephone technical support. 1-866-9-GST-USA (1-866-947-8872)
4.4.2. Alarm Information
Alarm
What causes this
Name
alarm
Troubleshooting Methods
* The Downlink Output Power should not exceed the
maximum composite power spec for this unit.
* If the Downlink Output Power is not exceeding the
Downlink
Spurious
emissions
out of spec
composite power spec for this unit, try to increase
Downlink Output
the Downlink Upper Limit on the RF Configuration
Power exceeds
Page.
Downlink Upper Limit
* 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
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Downlink
Downlink path gain is
Hardware
6dB less than RSSI
failure
plus Output Power
Downlink
Input RSSI from
Donor
Donor site is 8dB less
power
too than Downlink Low
low
Input Limit
When the VSWR
Downlink
Ratio on the Server
VSWR
Port is greater than
3:1
Downlink
Downlink Input
Donor
power
too
high
Power exceeds 25dBm
* 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.
* 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.
* "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.
* 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.
* By using a switch on the back of the repeater,
Downlink
Synthesizer (in
Synthesizer
Downlink path) has
failure
occur Failure
Downlink
If an external signal is
Interfere
higher than the in
* Call the GST’s Tech Team, resolved in accordance
power
band signal, more
with the procedure.
exceeded
than 15dB signal
Uplink
of
Out
band
emissions
out of spec
Uplink Output Power
exceeds Uplink Upper
Limit
resets the power
* Call to GST’s Tech Support Team and exchange the
AMP unit.
* 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
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Smart-Cell Repeater
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
* Check the direction of Coverage antenna
Uplink
Power
at
coverage
port
too
* When another device is connected to the Coverage
Uplink Input Power is
port as DAS System
higher than -25dBm
1) Add an attenuator on Coverage port, or
2) Uplink to adjust the output of the additional
high
equipment.
Uplink
Synthesizer
failure
(Uplink
Hardware
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.
failure)
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.
* Verify that the Donor antenna is on the same side
of the building as the Donor site, and if needed, raise
Oscillation
detected/Lo
w isolation
Insufficient isolation
the Donor antenna up on a pole.
is detected when the
* Change the types of antennas used, such as Yagi to
Repeater is at
Corner-Reflector for outdoors, and Omni to a Panel
minimum gain
for indoor use.
* Move the closest indoor service antenna farther
away from the outside Donor antenna.
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Verizon User Manual
Smart-Cell Repeater
* 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
Filter service has not
matches between
Amp Unit and DFM
failure
Tamper
Detected
* Call to GST's Tech Support Team to verify that all
the settings are correct.
When mount
* After 5 minutes clear automatically.
information (in the
* If you want to disable, you can on the Alarm
system ) is changed
Configuration page.
If the communication
Communicat
ion Failure
between the NMS
Board and Amp Unit
would not operating
* SNMP board or AMP unit need to reset.
* Open the rear cover and check the each cable.
normally
Power
Supply
The internal Power
out Supply detects
of range
improper Voltage
Internal AMP
Over
temperature exceeds
Temperature
the Temperature
Limit
Reset alarm
Manual
Shutdown
FAN
When the unit has
reset
* 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.
* Verify that the Temperature Limit is set between
176 °F ~ 201 °F on the RF Configuration page.
(Default Value is 163°F)
* After 30 seconds clear automatically.
When the operates
* By using a switch on the back of the repeater,
shutdown algorithm,
resets the power
after re-check
* Reset the AMP unit, By Web UI.
in the event of a fan
failure
* Replace the fan
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Verizon User Manual
Smart-Cell Repeater
4.4.3. Troubleshooting Guide Related to RF
Item
Check Point
System input power
range
System gain
Check before
system
operation
(DL/UL)
Troubleshooting
-Downlink: -100dBm ~ -27dBm
-Uplink: -100dBm ~ -27dBm
- 60dB ~ 90dB
Output power
- Downlink: 33dBm ± 2dB
at server port
- Uplink: 33dBm ± 2dB
-Please check quantity of all accessories with
Check points before
open for service
specification before you set up
-Fit
cable
length
in
accordance
with
field
condition
Check following status;
-Verify that the antennas are securely mounted
and pointed in the correct directions
-Connection status between antennas and RF
Check after
system
operation
cable
Check points after open
for service
-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
Check electricity cord
connection status
-Re-plug in Adapter cord
properly
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Verizon User Manual
Smart-Cell Repeater
Please Check following status;
DL VSWR alarm
-Make sure Server Antenna Port is disconnected.
-Please reset Adapter upon completing Alarm
troubleshooting
-Make sure output power is operating normally
DL over-output alarm
-Please Reset Adapter upon completing Alarm
troubleshooting
-Please make sure output level is operating
When in
UL over-output alarm
alarming
normally
-Please reset Adapter upon completing Alarm
troubleshooting
Check following status;
-Setting level of maximum temperature limit
Temperature alarm
-Temperature offset is normal or not
-Circumstances of temperature
-Please Reset Adapter upon completing Alarm
troubleshooting
-Verify that the HPA’s are On
RF off
-Please Reset Adapter upon completing Alarm
troubleshooting
Technician should verify
-When Red light on the Shutdown LED, technician
category of alarm at the
should troubleshoot the alarm via Notebook
front side of repeater
When output
-Technician should
power is no
connect antenna with
longer
output port of repeater
problem
-Please make sure all
computer
-Reconnect the connector
-Change it if the connector is defective
connectors are fastened
Check the input level
-Increase output power or check input change of
BTS side
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Verizon User Manual
Smart-Cell Repeater
Check gain of the unit
-If the Gain is different from normal level, please
contact A/S team
-It is possible for connectors to get too tight and
Cable connector loose
damage the equipment or throughput
-Please contact installer or service provider upon
verification
Check input signal
strength in the service
In case of
dropped call
or bad signal
after set up
area
-Increase output power level of repeater by
adjusting attenuation level
If input signal strength
is not a problem, please
check delay of calling
-Increase output level of Uplink signal, then set to
optimal level.
time
Check RSSI signal
strength
-Contact network management team or service
provider
Check connection
fastened between
In case
output
Signal
wavelength
is not shown
flat or looks
antenna and cable
(Signal wavelength
-If connection is not proper, reconnect cable and
should be flat and
connector and then check the output power again
stable if technicians
shake CABLE. If not, it is
connection problem)
like
Input level change or
oscillation
module overheating
Please check VSWR of
the cable is normal
-Check input level from BTS side.
-Check performance of each module (Diagnosed
by A/S team)
-Change to normal Cable
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Verizon User Manual
Smart-Cell Repeater
4.4.4. Troubleshooting Guide Related to NMS
Symptom
Check Points
Troubleshooting
-In case of Ethernet, verify IP addressing, DHCP
Communication
problem
function, and that cookies are deleted
-Verify that a crossover Ethernet cable is being
used
Link Fail
CLI connection, cable
status check
CLI connection Check by
USB to serial cable
-Make sure 1:1 connection
-Follow instructions in the installation guide for
this connection procedure
-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 850
Overland Park, Kansas 66211
Tel: 913 469 6699
Fax: 913 661 0163
Email: support@gsteletechinc.com
Web: http//www.gsteletechinic.com
30
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