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5G+4G Digital Optical Fiber Remote System

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  • 5G+4G Digital Optical Fiber Remote System
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  • 5G+4G Digital Optical Fiber Remote System

Product Overview

The system is a cost-effective and high-power cover- age supplementary solution. The system uses a combi- nation of "AU+RU" two-level unit architecture and is compatible with 4G networks.

Compared with the traditional 4G digital optical fiber remote system, the advantage is that it can  provide more than 100M radio frequency bandwidth, and at the same time realize the MIMO scheme in both uplink and downlink, more advanced digital compression technology, lower system delay technology, more reliable synchronization technology and large Bandwidth DPD technology, compared with 4G digital optical fiber repeaters, the overall product has significantly improved technical and business capabilities.

Network Architecture

Network Architecture

Product Specifications

System functional specifications

Function

Frequency

Support China Telecom and China Unicom 5G/4G frequency band

· 2.1GHz2110 - 2170/1920 - 19804T4R

· 1.8GHz1830 - 1880/1735 - 17852T2R

System Structure

Access Unit + Remote Unit

Number of channels

Support up/down 6 channels 4G is 2 channels5G is 4 channels

Networking capability

Support fiber connection and networking between AU and RU

Support chain networking (level 8), star networking (8 ports), hybrid networking Support net- work topology diagram function, and support node query function

Amplifier protection

Detect the status of the power amplifier, avoid the power amplifier from burning out when abnormal

DPD

Support DPD switch and peak suppression switch

Time delay

Support delay automatic and manual adjustment function, delay adjustment range ≥ 50 mi- croseconds, delay adjustment accuracy ≤ 2 microseconds

Standing wave detection

Support

Power detection

Support

AGC

Support

Energy-saving switch

Includes saving mode reduces power consumption during idle traffic

Cell division and expansion

Support for cell splitting and expansion by adding AU cascade

Compatible design

Support built-in antenna, and have an external antenna interface

Management

Supports centralized management through wired and wireless network access to OMC sys- tem

Support management through local OMT software

Reliability

MTBFMean time between system failures):100,000h MTTRMean time to repair):0.5h

 

System functional specifications

RF specifications

Equipment category

Access Unit

Remote Unit

5G Frequency

UL1920 - 1980MHz / DL2110 - 2170MHz

5G Bandwidth

60MHz

5G Number of channels

4T4R

4G Frequency

UL1735 - 1785MHz / DL1830 - 1880MHz

4G Bandwidth

50MHz

4G Number of channels

2T2R

Transmit power

-10dBm±2dB

40dBm±2dB

ALC

±2dB

Gain

50dB±2dB);Adjustment range30dBAdjustment step1dB

Transmission delay

8μs

EVM

DPD≤5%QPSK/16QAM/64QAM/256QAM

Noise Figure

5dB

-

Frequency error

≤±0.01ppm

Voltage standing wave ratio

1.5

In-band fluctuation

3dB

Optical transmission specifications

Optical path dynamic range

15dB

Optical output power

-9dBm

Optical transmission distance

20KM

 

System functional specifications

Physical specifications

Equipment category

Access Unit

Remote Unit

Environment

temperature-5℃+45℃ humidity 80%

temperature-40℃+55℃ humidity95%

Protection level

IP30

IP65

Equipment weight

20Kg

power consumption

65

400

Equipment volume

1U

20L

Installation method

Support standard 19-inch cabinet installation and wall installation

Support wall and pole installation

Equipment size

440×261×43.6mm

479×310×115mm

Interface specifications

Equipment category

Access Unit

Remote Unit

Device interface description

AU背面-1AU背面-2 

 

 RF interfaceN-female ×6

Optical interface10G SFP+ ×8 Management1G RJ-45 ×2OMC+OMT USBTYPE-C ×1

SIM Card ×1

MOD ANT ×1

RU背面-1 

 RF interfaceN-female ×4

Optical interface10G SFP+ ×2 Management1G RJ-45 ×1OMT


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