External Interface; Rf Ports; Optical Port - Fujitsu 5GRUDB3 User Manual

RU Hardware Feature

External Interface

2.7
External Interface
In this section:
2.7.1

RF Ports

2.7.2

Optical Port

2.7.3 DC Power and Ground Ports
2.7.4 RET Port
2.7.5 Debug/Test Port
2.7.6 Maintenance Interface
2.7.1
RF Ports
The RU has four RF ports, which both n70 and n66 use.
Physical interface
Electrical interface
Other
2.7.2
Optical Port
The RU has one optical interface to connect to/from DU by eCPRI, which supports up-link and down-link base
band data, clock and timing signals, and communication with the RU and Antenna Line Device (ALD).
■ The SFP is not installed in the RU at shipment and needs to be prepared by operator side.
■ The SFP is changeable in the field.
■ The eCPRI format is based on ORAN specification, and O&M support can be provided by the DU vendor.
Physical interface
Electrical interface
·
Issue 1.1, May 2021
Release 1.0
4.3-10
■ Impedance: 50 ohm
■ VSWR: 1.5
■ Lightning protection circuit on the RU (Refer to
■ IP65 is supported with the function of waterproofing with connected cable.
No guarantee for waterproof when cable is loose contact or not connected.
The RU is shipped with a protective dust cap on all the RF connectors to protect against
dust and other small particles. The water ingress protection is not required for these caps.
Fiber connector is type SM UPC LC in Opt cable.
The FullAXS mini (product number: 2061981) or the compatible connector is adopted as the
waterproof connector. The product number of external cable plug is 2061980.
eCPRI: 10 Gb/s at least.
Electrical interface is compliant to INF-8074.
Resistability of Lightning)
Fujitsu and Fujitsu Customer Use Only
55