Fujitsu 5GRUDB3 User Manual page 21

RU Hardware Feature
RU Specifications
Table 2 (Cont.)
RU General Specifications
Item Specification
▪ Optical interface x1 for ORAN (10G SFP)
Interface
▪ ANT port x 4 (4.3-10 RF connectors)
▪ RET (AISG 8-pin circular connector conforming to IEC 60130-9 - Ed. 3.0 with screw-ring lock.)
▪ LED (For indication of RU status, green: normal condition, red: failure. The eCPRI condition indicator)
▪ Debug/Test port (RJ45 supports 100Base-T or 1GE. Only for manufacturing use.
▪ Power connector (Amphe-BTS connector series or compatible connector is used. 2 wire (–48 V DC, Return))
▪ 6AWG FG (M6 bolts x 2), 0.625 mm hole spacing
Optical bit rate 10.3125 Gb/s
Antenna Connector Type 4.3-10 RF Connector
Antenna Control AISG, C485 connector
Interface
Power Supply –58...–36 V DC
1 15 MHz is not currently supported
2
The RU is designed to be more efficient with heat dissipation by expecting air convection.
TX Power down at temperature range of +45 to +55 ℃.
3
4 The RU supports Cold start operation. Refer to
Table 3
Measurement Function
Item
VSWR alarm reporting
Noise floor measurement
·
Issue 1.1, May 2021
Release 1.0
• SFPs are changeable in the field.
• Cascading of RU is not supported.
Warning: Avoid excessive power input to prevent RU damage. The maximum absolute input level of the Rx
port is +3.5 dBm (5 minute max) based on 3GPP in-band blocking specifications.
Avertissement: Évitez une alimentation électrique excessive pour éviter d'endommager RU. Le niveau
d'entrée absolu maximal du port Rx est de +3,5 dBm (5 minutes maximum) sur la base des spécifications de
blocage dans la bande 3GPP.
TX Control Function
Specification
The RU supports Voltage Standing Wave Radio (VSWR) alarm reporting on all external TX RF connections by
measuring the TX RF-signal return loss.
The VSWR is less than 1.5 for each port under all operating and environmental conditions. When VSWR at any
port exceeds 1.5, the RU reports an alarm to the EMS and the RU stops transmit power in order to protect the
RU from damage. The alarm indicates which port has exceeded the VSWR requirement. Refer to
The RU supports the function of measuring the Received Total Wideband Power (RTWP), when initiated by
EMS or when initiated by the DU.
and Environmental Specifications.
21
RU Alarms.
Fujitsu and Fujitsu Customer Use Only