Step 5
Torque each connection to 5 N/m.
Step 6
Apply weatherproofing to the RF cable connectors per local guidelines to protect from moisture intrusion.
Note:
Fujitsu recommends using industry standard UL approved self-fusing tape, but users may use any UL
approved weatherproofing material. Refer to
Weatherproofing RU Connections
for more information about
weatherproofing methods.
Continue with the next task.
4.6.5
Connect DC –48 V Power Cable
This procedure describes how to connect DC –48 V power cable.
Prerequisites:
■
Torx driver
■
RU mounted and not powered up
■
Available –48V power cable
Important:
If the power cable connector on the RU is connected in reverse, the RU does not start and
is not damaged because of the anti-reverse circuit.
Step 1
Remove the dust cover from the DC –48V port on the bottom of the RU.
Installation
Cable Installation
123
Release 1.0
·
Issue 1.1, May 2021
Fujitsu and Fujitsu Customer Use Only