GS Instech GSTR1924DT SPR User Manual

FCC ID : U88GSTR1924DT-SPR

ATTACHMENT E.

- USER MANUAL -

HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES 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-R07-012 1/35

FCC ID : U88GSTR1924DT-SPR

INFORMATION TO USER :

NOTE: This equipment has been tested and found to comply with the limits for a Class A digital

device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio frequency energy and, if

not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is likely

to cause harmful interference in which case the user will be required to correct the interference

at his own expense.

CAUTION

Changes or modifications not expressly approved

by the manufacturer responsible for compliance

could void the user's authority to operate the equipment

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Report No. : HCT-R07-012 2/35

FCC ID : U88GSTR1924DT-SPR

- INDEX -

1. SUMMARY .................................................................................................................4

2. SYSTEM CONFIGURATION.....................................................................................6

3. SPECIFICATIONS...................................................................................................12

3.1 System Specifications (applicable to both Uplink & Downlink).....................................................................12

3.2 Electrical and Environment Specifications.......................................................................................................12

3.3 Functions..............................................................................................................................................................13

4. SET UP .....................................................................................................................16

4.1 System Set up.......................................................................................................................................................16

4.2 T roubleshooting................................................................................................................................................... 19

5. WEB USER INTERFACE .........................................................................................26

5.1 IP Address verification and Explorer setting....................................................................................................26

5.2 PCS Web UI.........................................................................................................................................................28

3

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Report No. : HCT-R07-012 3/35

FCC ID : U88GSTR1924DT-SPR

1. SUMMARY

US PCS 1900 RF repeater is an analog RF repeater, which improves PCS network.

US PCS 1900 RF repeater receives RF signal from BTS and transmits it to the blanked and

shadowed area, thus providing and improving voice and image data services. US PCS 1900 RF

repeater’s goal is to support BTS’s functions proportionately.

US PCS 1900 RF repeater communicates with BTS wirelessly, thus saving additional costs for its

maintenance.

US PCS 1900 RF repeater consists of PA (Downlink, Uplink), IF, LNA (Downlink, Uplink), I/O &

Control divisions, which are supplied with Alarm LED, thus providing quick and easy

maintenance and troubleshooting of the repeater.

This manual describes in general structure of US PCS1900 repeater, its application, maintenance

and troubleshooting, installation and operation etc.

Abbreviation

PAM: POWER AMPLIFIER MODULE

LNA: LOW NOISE AMPLIFIER

AGC: AUTO GAIN CONTROL

ALC: AUTO LIMIT CONTROL

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Report No. : HCT-R07-012 4/35

FCC ID : U88GSTR1924DT-SPR

Ethernet Instruction “ This equipment is indoor use and all the communication wirings are limited to inside of the building” or similar texts.

For PLUGGABLE EQUIPMENT, the socket-outlet shall be installed near the equipment and shall be easily accessible.

Replaceable batteries instruction

CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECTIVE TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS

5

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Report No. : HCT-R07-012 5/35

FCC ID : U88GSTR1924DT-SPR

2. System Configuration

2.1 US PCS 1900 service organization

US PCS 1900 repeater decreases blanked and shadowed areas and extends cell coverage by re-

transmitting signal. The signal is received from BTS via Antenna directly, thus excluding

additional expenses for signal transmission (like cabling). Service organization of CDMA In-

building RF repeater is shown at the picture below. Donor Antenna is directed to BTS, and being

divided at Service Antennas are installed in the building and parking place. Pass Loss should be

taken into consideration while dividing and cabling.

<Pic.1> US PCS 1900 Service organization

6

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Report No. : HCT-R07-012 6/35

FCC ID : U88GSTR1924DT-SPR

2.2 System Design and Operation

2.2.1 System design

2

3

1

Donor Cavity

1

IF-15MHz

5

Waveform Detector

9

12 13

2

6

10

6 5 47 8

10 11

Service Cavity

IF-20MHz

11

FWD PAM

11

I/O & NMS Board

3

RVS LNA

7

RVS PAM

IF-10MHz

4

FWD LNA

8

12

Power Supply

HUB

13

<Pic.2> Repeater’s inside structure

7

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Report No. : HCT-R07-012 7/35

FCC ID : U88GSTR1924DT-SPR

1

2

3

5

6

1

4

Donor Antenna

1

CLI

CLI5CLI

5

Service Antenna

2

Ethernet HUB

6

<Pic.3> Repeater’s Top and Bottom panels

AC Input Port

3

DC Input Port

4

8

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Report No. : HCT-R07-012 8/35

FCC ID : U88GSTR1924DT-SPR

<Pic.4> AC & DC ports

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2.2.2 Uplink Path

FWD and RVS Gain Budgets have similar structure. In case of Uplink Path, RF signal is

transmitted from Service Antenna to Service Cavity Filter and RVS LNA division, then the signal

is transferred to IF division, where desirable Band is selected by passing 6 Paths of RF Switch

and SAW filter. Selected Band is got together in FWD LNA division, and then transmitted to

Donor Antenna passing through Digital ATT (10dB ATT Range) and Donor Cavity Filter. Then the

signal is transmitted to BTS through Donor Antenna.

<Pic.5> Uplink Block Diagram

2.2.3 Downlink Path

Downlink Path is organized in reverse order of Uplink Path.

In case of Downlink Path, RF signal is transmitted from Donor Antenna to Donor Cavity Filter

and FWD LNA division, then the signal is transferred to IF division, where desirable Band is

selected by passing 6 Paths of RF Switch and SAW filter. Attenuation range is 40dB in Digital

Attenuator. Selected Band is transmitted to FWD Drive Am and Service Cavity Filter, after that

the signal is transferred to Service Antenna.

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Report No. : HCT-R07-012 10/35

FCC ID : U88GSTR1924DT-SPR

<Pic.6> Downlink Block Diagram

2.2.4 US PCS Frequency Selection

AB CDEF G

1930

1850

AB CDEF G

1945 1950 1965 1970 1975 1990 1995

< Forward Band Structure >

1865 1870 1885 1890 1895 1910 1915

< Reverse Band Structure >

f (MHz)

<Pic.7> PCS Band Structure

US PCS 1900 repeater has 5MHz, 10MHz, 15MHz, 20MHz Paths in IF division, so any of these

bandwidths can be chosen for providing service. But there are some cases when this choice is

not applicable.

- Not continuous 4 Paths [5 MHz each], so total band is 20MHz (i.e. A1A3B2C1,

A1A2B1B2)

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Report No. : HCT-R07-012 11/35

FCC ID : U88GSTR1924DT-SPR

3. Specifications

3.1 System Specifications (applicable to both Uplink & Downlink)

Characteristics Specification

Frequency Range

System Group Delay

Characteristic Impedance 50 ohm

Gain Adjustment Step(Accuracy) 1dB(±0.5dB)

Maximum Output Power 250mW / 24dBm

Forward 1930 ~ 1995MHz

Reverse 1850 ~ 1915MHz

< 5㎲

VSWR Max1.5 : 1

Input Power Range -100 ~ -20dBm (for both Uplink and Downlink)

System Isolation > 90dB

Gain Range 40dB ~ 80 dB

Noise Figure

Pass Band Ripple 2.5dB(±1.25dB)

Spurious Emissions

<-13dBm @Fc±2.25MHz (RBW: 1MHz)

< 4.5 dB @ Max Gain

<12 dB @Min Gain

>45 dBc @885kHz

>55 dBc @1.98kHz

IF Path 5MHz/10MHz/15MHz/20MHz

IF Frequency FWD: 200 MHz, RVS: 120MHz

Band Select Local Shift & RF Switching

Roll Offs > 50dBc @1MHz

Waveform Quality Factor min 0.912

3.2 Electrical and Environment Specifications

Characteristics Specification

Size(inch) / Type 16.1(W) x 17.7(L) x 6.89(H)

Power AC 120V 60Hz 3.0A

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Report No. : HCT-R07-012 12/35

FCC ID : U88GSTR1924DT-SPR

Temperature / Weight

-10 ~+50/℃℃35.1lbs

Connector TYPE N Type Female

3.3 Functions

Parameter Specification

Gain Control

AGS

Auto Gain

Setting

• Adjustable DL and UL Gain range 40~80dB

• Display default Gain and current Gain function

• AGS (Auto Gain Setting) Use convenient Set-up

AGS start

D/L,U/L ATT: 0dB

D/L,U/L ATT: 0dB HPA: ON, ALC: ON, Isolation Check: ON

HPA: ON, ALC: ON, Isolation Check: ON

Isolation generation: Wave detection using

Isolation generation: Wave detection using noise floor level detect

noise floor level detect Isolation analysis: isolation fault Æ System

Isolation analysis: isolation fault Æ System Gain 1dB reduce

Gain 1dB reduce

System Gain + 7dB＜

isolation detection value

Gain reduce &

No

isolation O.K

Max. Gain & isolation O.K

Yes

HPA: ON, Gain balance: ON,

HPA: ON, Gain balance: ON, AGC: ON, Shut-down: ON

AGC: ON, Shut-down: ON

isolation O.K Display Notice

Display Notice HPA: Off

HPA: Off

AGS (Auto Gain Setting)

→ Installation time calculation: in AGS .

No

Sever ANT Tuning

Sever ANT Tuning Re-installation: AGS

Re-installation: AGS

NoYes

Current setting

maintenance

Yes

HPA: ON

AGS done

AGC

Auto Gain

Control

• It always operates in Downlink AGC ON status

• To maintain same Downlink output power despite flexible input signal strength.

• To add or subtract Attenuation level referring to AGC Power Limit level.

• To limit output power as far as default range

• Set up via GUI

ALC

• Automatic Gain decrement when output power of repeater is higher than default level

Auto Limit

• Automatic Gain recovery when output power of repeater is reduced.

Control

• Shutdown when output power is higher than default level in Minimum Gain

• Automatic Recovery Algorithm conversion after Shutdown status

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Report No. : HCT-R07-012 13/35

FCC ID : U88GSTR1924DT-SPR

Gain

Balance

Oscillation

Check

Spurious

Emission

Alarm

Band Select • To select either 5MHz/10MHz/15MHz/20MHz

Power

Monitoring

Function

• Downlink ATT is applied to Uplink during AGC state

• Setting and maintenance of output level

• Additional attenuation to ALC Level

• Isolation Check in initial set up or Reset

• Monitoring Oscillation comparing to minimum/maximum Noise Floor level

• When Oscillation occurred, repeater attempts to stabilize Isolation through Gain control function.

• Shutdown repeater when Oscillation still goes in Minimum Gain

• Automatic Recovery Algorithm conversion after Shutdown status

• Noise Floor Observation in case of ±2.25MHz down at the center

• In case of Noise level > –13dBm, Spurious Emission is stabilized automatically

• In case of Oscillation Spurious Emission Alarming in Minimum Gain, repeater will be shutdown

• Automatically Switch to Recovery Algorithm at Shutdown

• Monitoring repeater’s output level

DL Input

control

Automatic

Recovery

Security

Tem p era t ur e

control

VSWR

Monitoring

IP address

report via E-

mail

DHCP Client • Automatic IP assignment

• Monitoring Donor ANT input power of DL

• When in repeater shutdown, it periodically recovers output power of repeater then monitors

alarming

• Support HTTPS for Web Browser security

• User authentication through User ID and Password

• Monitoring temperature of repeater

• Maximum and minimum set up is possible. Shutdown in over temperature

• Automatic recovery after temperature becomes normal. (Hysteresis 10 degree)

• Monitoring VSWR of Donor ANT Port (Every one and half minute)

• Reporting VSWR Alarm and Shutdown when the rate is 3:1

• Automatic Recovery Algorithm conversion after Shutdown status

• When in PPP reconnection, E-mail which includes HTML to connect to newly assigned IP Address,

reports to operator.

DHCP • Server function for automatic IP assignment

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Server

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.

• DL input and output signal level is verified by LED bar.

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4. SET UP

4.1 System Set up

4.1.1 Constitution (based on 1 SET)

Parameter Item Quantity Remark

Major accessory CDMA 24dBm repeater 1 EA Manufacture company supply

Ethernet Cable (cross)

Power Supply Cable

Additional

components

User Manual Installation Guide (Book) 1 EA Manufacture company supply

Antenna

RF Cable Antenna connection Cable TBD

Repeater quality

confirmation

equipment

Fixable Screw x 4 (Size: φ1/2”,

length: 2” )

Ground Cable

CD which contains User Manual

and installation Guide

Donor ANT

Server ANT

Spectrum Analyzer 1EA

1 EA

1 SET

1 EA

1EA

Manufacture company supply

Establishment construction company

preparation

Establishment construction company

preparation

Establishment construction company

preparation

4.1.2 Notice

1) System Power check: Major electricity is AC1 10 V, therefore please input electricity after power

verification.

2) Input condition optimization: DL input condition is -56 ~ -16dBm. User should verify input condition of

Donor ANT.

3) Isolation check between DONOR/SERVICE ANT: Isolation condition of this equipment is 95dBc (Gain+

15dB). User should check its condition before installation.

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<Pic. 8> MS 3100 A 10SL-3 (Wall Mount Receptacle) & MS3010 A 10SL-3(Plug)

4.1.3 System set up

1)

This equipment is basically wall mountable installation.

2) Once aforementioned process is done, open for service get ready.

3) For grounding, there is a grounding terminal in main power supply side and the grounding

terminal on a site and unit should be connected same.

4) System installation work is basically performed more than two people and should be careful for

unexpected accident.

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4.1.4 Open for service

FCC ID : U88GSTR1924DT-SPR

<Pic.9> Case mounts

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 that system operation will be optimized.

2) Check points after open

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a. Check by external LED

RUN: Green light ON (Off: Green light off)①

ALARM: Green light in normal status, Red light in alarming②

SHUT DOWN: Green light③ in normal status, Red light in Shutdown

Number of LED bar on front side of repeater will show input signal level. ⑤

Less than -56dBm: LED 1bar

-56dBm~-48dBm: LED 2bars

-48dBm~-39dBm: LED 3 bars

-39dBm~-31dBm: LED 4 bars

-31dBm~-23dBm: LED 5 bars

Number of LED bar in output power side will show output power signal level

Less than +15dBm: LED 1bar

+16dBm~+17dBm: LED 2 bars

+18dBm~+19dBm: LED 3 bars

+20dBm~+22dBm: LED 4 bars

More than +23dBm: LED 5 bars

<Pic.10> Front LED Indicator

4.2 Troubleshooting

In case, abnormal operation is detected, user should check abnormal parts via remote accessible

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function or field debug, then conduct repair after turn it off.

4.2.1 Necessary Testing and measuring equipment

a. RF Power Meter: 10Watt Max, 50ohm

b. Signal Generator: 3GHz

c. Spectrum Analyzer: 3GHz

d. Multi Meter

4.2.2 Notice

a. Trouble shooting should be performed with drastic knowledge basis.

b. Unsure parts should not be disassembled.

c. When in trouble shooting, technician should use attenuator to check output side.

4.2.3 Note at set up process / Check point after open for service

Item Check Point Trouble shooting

Note

before

system

operation

Same as

above

* System Input power range

Down Link -100dBm/Total ~ -20dBm/Total

Up Link -100dBm/Total ~ -20dBm/Total

Down Link 40 ~ 80dB

* System Gain

Up Link 40 ~ 80dB

Input Level

Gain

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Output power

Same as

above

Check in

Advance

* Output power at edge port side

Down Link 24dBm/Total

Up Link 24dBm/Total

* Please check quantity of all accessories with specification

before you set up.

* Check points before open for

* Fit cable length in accordance with field condition.

service

* Set up Donor antenna to assure enough Isolation (More

than 87dBc)

* Check following status

- Fixable level of antenna support pole

- Connection status between antenna and RF cable

- RF Cable construction and fixed status

- fix of repeater and installation status

- Electricity construction and proper AC power status

Check

after

open

* Check points after open for service

- Plug status and electricity voltage status

- wall socket and voltage status

- Grounding (EARTH) status

- Direction of Donor antenna

(PN Offset and neighborhood BTS to be considered.)

- Ground status of repeater (unit itself)

- Coaxial cable construction status

- Connector combiner connection status

- Cable connection status against leakage of water

4.2.4 Trouble shooting guide related to RF

Symptom Check Point Troubleshooting

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When repeater

does not work

properly

Same as above

When in

alarming

When in

alarming

* Checking Electricity Cord

connection status

* Checking electricity input to

AC power outlet.

* DL over-input alarm

* DL over-output alarm

* Re-plug in AC power cord

* Please verify AC power input by using DVM (Digital Voltage

Meter)

* Please Check following status

- Proper maximum output power limit level

- BTS input level (Spectrum Level)

- Input RSSI value at Status mode

- Downlink Attenuation level

- Downlink Attenuation Table

* Please reset AC power upon complete Alarm trouble shooting

* Please make sure output power is operated normally.

* Please reset AC power upon complete Alarm trouble

shooting.

When in

alarming

When in

alarming

When in

alarming

When in

alarming

* UL over-output alarm

* Please make sure output level is operated normally

* Please reset AC power upon complete Alarm trouble shooting

* Please Check following status

- Antenna port connection

- Whether inner-output cable is damaged or not.

* VSWR alarm

* Please reset AC power upon complete Alarm trouble

shooting

* Please verify IF Module LED is On.

* IF Module alarm

* When LED is Off, module should be defective.

* Please reset AC power upon complete Alarm trouble shooting

* DL, UL PAM alarm

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When in

alarming * DC matter/Current alarm

When in

alarming * UL Oscillation

When in

* DL / UL LNA alarm

alarming

When in

alarming

* Temperature alarm

When in

* DL low-input alarm

alarming

* Please verify DC power by using DVM (Digital Voltage Meter)

* Please reset AC power upon complete Alarm trouble

shooting.

* Please check Isolation between Donor and Server.

* Please reset AC power upon complete Alarm trouble

shooting.

* Please check connection status of LNA.

* Please reset AC power upon complete Alarm trouble shooting

* Please Check following status

- Setting level of maximum temperature limit

- Temperature offset is normal or not.

- Circumstance temperature.

* Please reset AC power upon complete Alarm trouble shooting

When in

alarming

When in

alarming

When output

power is no

longer strong

or problem

* DL low-output alarm

* RF OFF

* Technician should verify

category of alarm at the front

side of repeater.

* Please Check following status

- Output power level is normal or not.

- Whether minimum output limit level is normal.

* Please reset AC power upon complete Alarm trouble shooting

* When Red light on the Shutdown LED, technician should

troubleshoot the alarm via Notebook computer.

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FCC ID : U88GSTR1924DT-SPR

Same as above * Technician should connect

antenna with output port of

* Reconnect the connector.

* Please change it if the connector is detective.

repeater.

* Please make sure all

connectors are fastened

Same as above * Check the input level not to

* Increase output power or check input change of BTS side.

be too low.

Same as above

* If the Gain is different from normal level, please contact A/S

* Check Gain of the unit

team.

Same as above * Cable loose or over loss. * Please contact installer or service provider upon verification.

In case of drop

* Increase output power level of repeater by adjusting

* Check receipt signal strength

call or bad

attenuation level.

in the service area not to be

signal after

too low.

set up

* If receipt signal strength is

* Please increase output level of Uplink signal, then setting by

Same as above

not a problem, please check

delay of calling time.

Same as above * Check receipt signal strength

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.)

* Input level change or

Same as above

module blazing

.

* Please check VSWR of the

Same as above

Cable is normal.

optimal level..

* Please contact network management team or service

provider

* If connection is not proper, please make sure connector and

cable to be re-connected then check the output power again.

* Check input level from BTS side.

* Check performance of each module.

(Diagnosed by A/S team.)

* Change to normal Cable.

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FCC ID : U88GSTR1924DT-SPR

4.2.4 Trouble shooting guide related to NMS

Symptom Check Points Troubleshooting

Link fail * Communication problem

* CLI Connection, Cable

Same as above

status check

* CLI connection Check by

Same as above

USB to Serial Cable

* In case of Ethernet, check set up level of IP, Gateway and so

on, when you use Ethernet.

* Make sure 1:1 connection.

* Please verify Port number of PC communication.

* Please check Cable connection status.

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FCC ID : U88GSTR1924DT-SPR

5. WEB USER INTERFACE

5.1 IP Address verification and Explorer setting

5.1.1 IP Address verification and Explorer setting

(1) Start->Control Panel->Network Connections

(2) Double-click Local Area Connections at LAN or High Speed internet

(3) Click Internet Protocol (TCP/IP) at General tap and click Properties.

(4) Apply automatic IP address assignment at local connection

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FCC ID : U88GSTR1924DT-SPR

(5) Verify assigned IP address at local connection. (Unless IP address is not assigned, please click repair.)

5.1.2 Explorer option setting

- Proceed step by step as indicated in below. All files and records should be removed.

- Set up mode will be displayed after (2) click.

- Please proceed along following set up mode screen shot.

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5.2 PCS Web UI

5.2.1 Web UI connection

- Input desirable IP address.

FCC ID : U88GSTR1924DT-SPR

- Default Use Name and Password for Web UI is ‘admin’.

5.2.2 Link menu

- Following screen shot is located left-top side of main menu and those are linked to relative

window.

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5.3 Web UI control

5.3.1 Status

FCC ID : U88GSTR1924DT-SPR

- Currently setting level check at this menu tap.

5.3.2 RF Configuration

- Setting level can be changed at this menu tap.

- (1) Level change

- (2) Click Apply button

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FCC ID : U88GSTR1924DT-SPR

30

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FCC ID : U88GSTR1924DT-SPR

5.3.3 Alarm Configuration

- (1) On/Off function for entire alarm report

- (2) Alarm status

- (3) On/Off function for individual alarm category

- (4) Alarm SNMP Mapping

- User may set and change its level per it field condition and click apply button.

5.3.4 Communication Configuration

- This provides all necessary information related to network

- To provide relative information about DHCP and modem

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5.3.5 User Management

FCC ID : U88GSTR1924DT-SPR

- Add and Remove user, Assigning accessibility

- (1) User Registration: Click Register after input required information

- (2) User Removal: Click Delete upon click of user name you wish to remove.

- (3) Super User: Accessible to all kinds of information path

Read/Write: Accessible to all kinds of information path except for User management path.

Read: Checking status only. No control

5.3.6 Logs

- All users’ access record will be saved as a log.

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FCC ID : U88GSTR1924DT-SPR

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FCC ID : U88GSTR1924DT-SPR

5.3.7 Sub System/Mailing List

- Set up e-mail address the place you wish to receive alarm.

5.3.8 Troubleshooting

Following is a trouble shooting table, which is frequently occurred to repeater and treatment

method.

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FCC ID : U88GSTR1924DT-SPR

5.3.9 Remote Software Upgrade

- Upload repeater operation program.

5.3.10 System Reset

- Reset repeater.

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GS Instech GSTR1924DT SPR User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual