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5G Fiber Optic Cable for Optical Communication Solution

The fifth generation of mobile communication technology is already entering the commercial stage. The optical transceiver is the basic constituent unit of the physical layer in the 5G network, which is widely used in wireless and transmission equipment. 5G bearer network is generally divided into access layer, convergence layer and core layer to achieve the front-haul, mid-haul functions of 5G services. Devices in each layer mainly rely on optical transceivers to achieve interconnection. Typical application scenarios and demand analysis are shown in the following table.



Network LayerAccess LayerConvergence LayerCore Layer

5G front-haul5G mid/back-haul5G back-haul+DCI5G back-haul+DC
Distance<10/20km<40km<40-80km<40-80km
Network TopologyMain: StarMain: Mesh Ring network or dual uplink linkRing network or dual uplink link
Auxiliary: Mesh Auxiliary: Bus & Star
User interface rateeCPRI:25Gbps NX25/50GbpsNX25/50/100GbpsNX100/400Gbps
CPRI: NX10/25Gbps
1X100Gbps
Line Rate10/25/100Gbps grey or NX 25G/50G WDM colored25/50/100Gbps grey or NX25/50G WDM colored100/200Gbps grey or NX100Gbps WDM colored200/400Gb grey or NX100/200/400Gbps WDM colored



GrenTech, as one of the most professional 5g fiber optic cable manufacturers, has a complete optical transceiver solution of 5G front-haul. The three main connection modes of 5G front-haul are as follow:




1. Direct connection of optical fiber
1. Direct connection of optical fiber

Each AAU and DU adopts fiber optical point-to-point direct connection network. GrenTech provides 25G gray light transceiver with reaches of 300 meters or 10km.

2. Passive WDM
2. Passive WDM

The colored transceiver is installed on AAU and DU, and the WDM function is completed by passive equipment through a pair or a single optical fiber to provide multiple connections between AAU and DU. GrenTech 10G and 25G colored transceiver and WDM cassette can be used in combination.

3. Active WDM/OTN
3. Active WDM/OTN

The corresponding WDM/OTN equipment is configured in the AAU station and the DU room. Optical fiber resources are shared by multiple front-haul signals through WDM technology. GrenTech provides 10G/25G short distance grey light transceiver matching this connection mode. 10G or 25G colored transceiver required in WDM/OTN equipment room also available at GrenTech.

5G Front-haul optical transceiver list
5G Front-haul optical transceiver list

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