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Signal Amplifier

DFDR-5170 Optical Distribution System

• Multi-Channel Support: AU: Single-channel configuration; RU: Dual-channel transmission capability

• Flexible Frequency Band Combination: B1+B3

• Networking Capacity:AU supports connection of up to 4 RUs

• Configurable Operating Bandwidth Selection

• Power Adjustment: The coverage unit has the function of adjusting the uplink/downlink output power.

• Power Reading: Each channel features dedicated input/output power reading capabilities, enabling real-time monitoring of the working status of each channel.

• Automatic Gain Control (AGC): Automatically adjust the uplink and downlink gains by detecting the downlink power.

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DFDR-5170 Optical Distribution System
DFDR-5170 Optical Distribution System
DFDR-5170 Optical Distribution System

Overview

The system is primarily composed of AU and RU. AU can receive wireless signals from outdoor base stations or directly coupling RF signals from the base station via the coaxial cable. After digital signal processing, the data transmits the optical fiber to the RU, appling to the low volume coverage to enhance the enclosed blind zones or weak-signal areas. It provides a comprehensive solution for scenarios such as underground parking garages, shopping malls, hotels, and similar environments with demanding coverage requirements.

Key Features

• Multi-Channel Support: AU: Single-channel configuration; RU: Dual-channel transmission capability

• Flexible Frequency Band Combination: B1+B3

• Networking Capacity:AU supports connection of up to 4 RUs

• Configurable Operating Bandwidth Selection

• Power Adjustment: The coverage unit has the function of adjusting the uplink/downlink output power.

• Power Reading: Each channel features dedicated input/output power reading capabilities, enabling real-time monitoring of the working status of each channel.

• Automatic Gain Control (AGC): Automatically adjust the uplink and downlink gains by detecting the downlink power.

Specification

Frequency Range

B3 :UL:1710MHz-1785MHz   DL:1805MHz-1880MHz

B1 :UL:1920MHz-1980MHz     DL:2110MHz-2170MHz

Continuous Instantaneous BandwidthB3:75MHz       B1:60MHz
Max OutputpowerUL:20dBm     DL:2*33dBm
ALC≧25dB
Max Gain & ToleranceUL:80±2dB     DL:85±2dB
Gain Adjustment Range≥30dB
Step Size≤2dB
EVMUplink QPSK:≤12.5%
Uplink 16QAM:≤8%
Downlink 64QAM:≤8%
Downlink 256QAM: ≤5%
Frequency Tolerance±0.1ppm
Max Allowable Input Level≥-10dBm
In-band Ripple≤2.5
VSWR≤10dB
Downlink Out-of-Band Suppression3MHz<f_offset<5MH:≥20dB

5MHz≤f_offset:≥25dB
Noise figure1 MU + 1 RU: The max uplink gain ≤ 9 dB
Delay≤ 4.5 us
Power Supply
Power Supply

AU:AC 220V

RU: DC 48V (Remote Power Supply)

Power Consumption

AU (Local): 25W (self-powered)

AU (Remote Supply): ~500W

RU: 90W

Heat DissipationPassion Convection
Environmental
Operating Temperature

AU: -10°C to +55°C

RU: -10°C to +55°C

Relative Humidity

AU: ≤85%

RU: ≤85%

Protection Rating

AU: IP30

RU: IP30

Mechanical
Dimensions (H × W × D)

AU: 440mm × 215mm × 44mm (excluding mounting brackets)

RU: 364mm × 210mm × 111mm ( excluding mounting brackets)

Weight

AU: ~10.2 kg

RU: ~7 kg

Interface (AU)

DFDR-5170 Optical Distribution System

Port IdentificationDescription
SIMSIM card slot for Modem
OP1-OP4SC optical port, synchronized with RU
OMTLocal debugging port
POWEREquipment power supply
DC OUT 1~4Remote power supply for RU
RF IN 1(B1)SMA (50Ω)
RF IN 2(B3)SMA (50Ω)
Indicator (AU)
NameDescription
PWR (Green)

Solid Green :Power supply normal

Off :Power failure or anomaly

RUN (Green)

Green (1second,1 flash): No software loaded / incomplete startup

Off: No power / hardware fault

ALM (RED)

Solid Red: General warning condition

Off: No active alarms

MOD (Green)

Solid Green: Modem functioning normally

Off: Modem fault detected

OP1-OP4(Green)

Solid Green: Received optical power exceeds the threshold value

Off: Received optical power below threshold

Interface (RU)

DFDR-5170 Optical Distribution System

Port IdentificationDescription
OPCommunication for AU
POWERDC48V power supply connection
ANT1External antenna interface for B1 B3 combined
ANT2External antenna interface for B1 B3 combined
Indicator (RU)

DFDR-5170 Optical Distribution System

NameDescription
RUN/ALM (Green)

Green (1second,1 flash): No software loaded / incomplete startup

Off: No power / hardware fault

OP (Green)

Solid Green: Received optical power exceeds the threshold value

Off: Received optical power below threshold

DFDR-5170 Optical Distribution System

Have questions?

VLG Technical Consultants are here to assist you!

DFDR-5170 Optical Distribution System+86 186 8871 1070

DFDR-5170 Optical Distribution SystemSales@vlg-solution.com

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SHENZHEN VLG WIRELESS TECHNOLOGY CO., LTD

SHENZHEN VLG WIRELESS TECHNOLOGY CO., LTD