Ret Port - Fujitsu 5GRUDB3 User Manual

RU Hardware Feature
External Interface
Physical interface
Table 15
Power Cable Pinout
Pin
Pin A
Pin B
2.7.4

RET Port

This RU has one communication interface between antenna line devices. The four RU antenna ports connect to
the antenna with 4.3-10 RF connectors. The RU RET port supports antenna beam adjustment using two
combined RS-485 connectors and DC power circuits (required by 3GPP Technical Specification (TS) 25.461, Layer
1) and AISG 3.0.
Physical interface
Electrical interface
Other
Table 16
RET Interface Connector Pin Assignment
Pin
1
2
·
Issue 1.1, May 2021
Release 1.0
Two M6 C-C 5/8 in.
ISO metric screw threads, coarse pitch
ISO 261 and ISO 965. Hole diameter 1/4.
Note: The bolt attachment torque must be tightened to at least 5.6 Nm.
Output Type
–48 V DC
Return
■ IEC 60130-9 Ed. 3.0 with screw-ring locking 8 pins, female
■ 5 A on any pin
■ RS-485
Based on 3GPP TS 25.461/AISG 3.0
Bit rates: 9.6/38.4/115.2 (kb/s)
■ DC Voltage supply
DC Voltage 28.5 V (Accuracy ±1.5 V on RU connector) is supplied from pin number 6.
Current capability 0...1.0 A (normal range)
■ Lightning protection circuit on RU (refer to
IP65 is supported for the function of waterproofing with fitted cap or connected cable.
No guarantee for waterproof when cap or cable is loose contact or not connected.
Description
Not connected
Not connected
Description
Red Wire
Black Wire
Resistability of Lightning)
Fujitsu and Fujitsu Customer Use Only
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