GS Instech GSR-2630D-SPR RF Repeater User Manual ATT E
GS Instruments Co., Ltd. RF Repeater ATT E
Manual
FCC ID : U88-GSR-2630D-SPR
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-R08-163 1/1
ATTACHMENT E.
- USER MANUAL -
SPRINT User Manual
WIMAX_30dBm
July, 2008
Version 1.0
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- INDEX -
1. SUMMARY................................................................................... 3
2. SYSTEM STRUCTURE.................................................................. 4
2.1 Network structure for WIMAX RF Repeater............................. 4
2.2 System Design and Operation.................................................. 5
2.2.1 System design………………………………………………………………….………5
2.2.2 Downlink Path………………………………………………………………………….7
2.2.3 Uplink Path…………………………………………………………………………….8
3. SPECIFICATIONS ....................................................................... 9
3.1 System Specifications .............................................................. 9
3.2 Electrical and Environment Specifications............................. 10
3.3 Functions...........................오류! 책갈피가 정의되어 있지 않습니다.
4. SET UP...................................................................................... 11
4.1. Equipment needed for iDEN Repeater Setup ........................ 11
4.1.1 Notice…………………………………………………………………………………..11
4.1.2 System set up……………………………………………………………………….12
4.1.3 Open for service…………………………………………………………………….12
4.2 Troubleshooting..................................................................... 12
4.2.1 Necessary Testing and measuring equipment……………………………12
4.2.2 Notice…………………………………………………………………………………..12
4.2.3 Troubleshooting Guide……………………………………………………………13
4.2.4 Troubleshooting Guide Related to RF………………………………………..오류!
책갈피가 정의되어 있지 않습니다.
4.2.5 Troubleshooting Guide Related to NMS…………………………………….오류!
책갈피가 정의되어 있지 않습니다.
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1. SUMMARY
GSTR-2630D-SPR is an in-building solution for extending and improving WiMAX coverage area in
Sprint network, providing better signal quality in small stores, manufacturing facilities, warehouses,
etc. GSTR-2630D-SPR eliminates PN pollution to decreasing noise in Sprint’s BTS.
# GRS-2630D-SPR Main Features #
- Conversion type
- DNC/IF/UPC integration module is implemented.
- D/L & U/L S/W LNA
- Sync Detection Module achieved sync. Signal then process the sync signal.
- D/L ALC, U/L ALC function
- Gain Balance function to be interfaced with D/L and U/L Gain
Abbreviation
LNA: Low Noise Amplifier
PSU: Power Supply Unit
HPA: High Power Amplifier
SDM: Sync Detection Module
Caution: Replaceable batteries instruction
Risk of explosion if battery is replaced by an incorrective type.
Dispose of used batteries according to the instructions.
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2. SYSTEM STRUCTURE
2.1 Network structure for WIMAX Indoor RF Repeater
Below picture shows a Network structure for WIMAX Indoor RF Repeater in a real site. Donor ANT
takes a position on the direction to BTS which be linked, and Server ANT is available to be located
in designated area for service by using RF cable deployments and dividers as blow.
One thing that we consider is Path losses between Repeater port and ANT in case of dividing by
dividers and RF cables. They should be equally managed.
<Pic.1> WIMAX Indoor RF Repeater Service Organization
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2.2 System Design and Operation
2.2.1 System design
POWER
AC_INPUT
AC_L
AC_N
F.G
SUB
+27V
AC
ALM DC
+27V
GND GND
+7V +7V
GND GND
GND +12V
-12VGND
DC_FA C_F
RF OUT
RF IN INTERFACE
▼▼▼
SERVER DONOR
①
②
③
⑤
⑥
⑦
⑧⑨
⑩
①
②
④
HPA
6. TTL1
7. TTL2
8. GND
3. -12Vdc
4.5.9 NC
2. ALM
1. +7Vdc
OUT1
ANT1
COUP1
6. TTL1
7. DET1
8. GND
3. -12Vdc
4.5.9 NC
2. LNA_ALM
1. +7Vdc
OUT2
ANT2
COUP2
6. TTL1
7. DET1
8. GND
3. -12Vdc
4.5.9 NC
2. LNA_ALM
1. +7Vdc
NO. PART NO. PART
① ARRESTOR ⑦ CONVERTER MODULE
② CAVITY FILTER MODULE ⑧ NMS BOARD
③ PSU MODULE ⑨ I/O, RFC BOARD
④ LNA MODULE ⑩ ETHERNET PORT
⑤ HPA MODULE
⑥ SDM MODULE
<Pic.2> WIMAX Repeater 30dBm Internal Design
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NO. PORT NO. PORT
① DONOR ANT PORT ④ AC POWER PORT
② SERVER ANT PORT ⑤ CLI PORT
③ DC POWER PORT ⑥ ETHERNET PORT
<Pic.3> WIMAX Repeater 30dBm PORT Design
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2.2.2 Downlink Path
GRS-2630D-SPR is basically designed to select 33MHz operational bandwidth from entire BRS
bandwidth (188MHz). Repeater would smartly select actual Sprint operational bandwidth such as
2502~2568MHz (ABCD), 2624~2690MHz (EFHG) using local frequency without interfering into
in-band.
To discriminate Tx / Rx circuit, GRS-2630D-SPR is implemented Bias, including LNA and HPA to
functionate switching operation. In the LNA, SPDT switch is implemented not only to improve
Tx/Rx separation, but to protect Rx circuits, when antenna is open.
<Pic.4> WIMAX 30dBm RF Repeater Downlink Block Diagram
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2.2.3 Uplink Path
GRS-2630D-SPR is basically designed to select 33MHz operational bandwidth from entire BRS
bandwidth (188MHz). Repeater would smartly select actual Sprint operational bandwidth such as
2502~2568MHz (ABCD), 2624~2690MHz (EFHG) using local frequency without interfering into
in-band.
To discriminate Tx / Rx circuit, GRS-2624D-SPR is implemented Bias, including LNA and HPA to
functionate Switching operation. In the LNA, SPDT switch is implemented not only to improve
Tx/Rx separation, but to protect Rx circuits, when antenna is open.
GRS-2624D-SPR Downlink, Uplink Converter Module’s Gain is 20dB for both paths
<Pic.5> WIMAX 30dBm RF Repeater Uplink Block Diagram
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3. SPECIFICATIONS
3.1 System Specifications
Parameter Specifications Comment
Frequency Range 2502MHz ~ 2690MHz
A+B 2502MHz ~ 2535MHz
B+C 2518.5MHz ~ 2551.5MHz
C+D 2535MHz ~ 2568MHz
E+F 2624MHz ~ 2657MHz
F+H 2640.5MHz ~ 2673.5MHz
Band Select
(33MHz)
H+G 2657MHz ~ 2690MHz
Max Gain 80dB ± 1.5dB
Flatness ≤ 3dB (P-P) / Channel
VSWR Max 1.5 : 1
System Delay Max 5us
D/L - 50dBm ~ -20dBm
Input
Power
Range U/L - 50dBm ~ -20dBm
ALC
Range D/L 0 ~ 30dB Accuracy ± 2.0dB
ALC
Range U/L 0 ~ 30dB Accuracy ± 2.0dB
Roll offs 30dBc @±1MHz
80dBc @±3.5MHz
EVM ≤ 5% (against the source)
±1.55MHz -13dBm@100kHz
±3.5MHz -13dBm@1MHz
±5MHz -37dBm@1MHz
Out of Band
Emission
±8MHz -37dBm@1MHz
Noise Figure 5dB @ Max Gain
12dB @ Min Gain
Frequency Stability ≤ 0.02ppm
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Switching Adjustment
Range
TTG : 0 ~ -105.7us
RTG : 0 ~ -60us
Guard Offset : 0 ~ 30us
TTG: 105.71us
RTG: 60us
Switching Timing
Adjustment Accuracy
≤ ±1us / 1us TTG , RTG , Guard Offset
Parameter Specifications Comment
D/L Input Power
Accuracy U/L
± 2dB
D/L Output Power
Accuracy U/L
± 2dB
RSSI Alarm ≤ --55dBm Only DL
D/L 33dBm/ Total
Over Power
Alarm U/L 33dBm/ Total
D/L
VSWR Alarm
U/L
When Output Port is
open
3.2 Electrical and Environment Specifications
Parameter Specifications Comment
Connector Type N-type Female 2 port N-Type : DL 1 port, UL 1 port
Size 350mm X 400mm X 215mm
Weight Max 50 lbs
Power Consumption 90W
Power Source 110-125VAC, 60Hz
208-240VAC single phase 4 hour Back up Battery (option)
Remote Operating
Temperature -10 ~ 50℃℃
Remote Operating Humidity 5%~100%
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4. SET UP
4.1. Equipment needed for WIMAX RF Repeater Setup
Parameter Item Quantity Remark
Major Component Repeater GRS-2630D-SPR 1 EA Provided by GST
Additional
components
Mounting Bracket
Installation Guide Book V. 1.0
CD which contains User Manual
and Installation Guide V.1.0
Ethernet Cable 2M
Power Cord 3M
Ground Cable 3M
Ground Sems Screw
Bracket Sems Screw
Lag Screw
Anchor Bolt Set
1 EA
1 EA
1 EA
1 EA
1 EA
1 EA
4 EA
4 EA
4 EA
4 EA
Provided by GST
Antenna Donor ANT
Server ANT
1 EA
1 EA Not Included
RF Cable Antenna connection Cable TBD Not Included
Testing an d
Measuring Equipment Spectrum Analyzer 1 EA Not Included
4.1.1 Notice
1) System Power check: Major electricity is AC110V, therefore please input electricity after power verification.
2) Input condition optimization: DL, UL input condition of WiMAX 30dBm is -50 ~ -20dBm
3) This equipment is basically wall mountable installation.
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4.1.2 System set up
1) This equipment is basically wall mountable.
2) Installer will have to connect the power supply (after input power verification) 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.
There is also a separate grounding terminal on the repeater which should be connected to the on-site
grounding terminal to ensure proper grounding.
4) Mounting of repeater should be done by at least two technicians to ensure a safe and proper install.
4.1.3 Open for service
1) Check points before open
a. Verification of system installation status
Electricity, In/out antenna, coaxial cable connection, equipment mounts status.
b. Verification of system accessories
User should check whole necessary accessories.
c. Check receipt signal level
User should check whether receipt environmental condition is in accordance with system specification, so t
hat system operation will be optimized.
4.2 Troubleshooting
4.2.1 Necessary Testing and measuring equipment
a. Signal Generator: 3GHz
b. Spectrum Analyzer: 3GHz
c. Multi-Meter
4.2.2 Notice
a. Troubleshooting should be performed by a trained technician.
b. Parts that seem to be not used should not be disassembled.
c. While troubleshooting, technician should use attenuator to check RF Signal output.
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4.2.3 Troubleshooting Guide
Item Check Point Trouble shooting
Note before
system operation
* System Input
power range
Input Level
Down Link -50dBm/Total ~ -20dBm/Total
Up Link -50dBm/Total ~ -20dBm/Total
Same as above * System Gain
Gain
Down Link 50 ~ 80dB
Up Link 50 ~ 80dB
Same as above * Output power at
edge port side
Output power
Down Link 30dBm/Total
Up Link 30dBm/Total
Check in Advance
* 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.
* Set up Donor antenna to secure Isolation (More than 87dBc)
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Check after open * Check points after
open for service
* Check following status
- Fixable level of antenna support pole
- Connection status between antenna and RF cable
- RF Cable construction and fixed status
- Verify that the Repeater is securely mounted
- Electricity construction and proper AC power status
- Plug status and electricity voltage status
- Wall socket and voltage status
- Grounding status of electrical circuit
- Direction of Donor antenna
(PN Offset and neighborhood BTS to be considered.)
- Coaxial cable construction status
- Connector combiner connection status
- Cable connection status against leakage of water