Nokia Solutions and Networks T4KJ1 ユーザーズマニュアル
BCUII installation
Chapter 4: Installation of the indoor portions of the Remote RF based eNodeB
Figure 4-2
Cabling Power to –48 Vdc BCUII
-48V.eps
Perform the steps in
to install the BCUII.
Procedure 4-3
BCUII Installation
1
Place a rack mounting screw in the fifth hole above the PDU right ear bracket.
Leave the screw head spaced out from the rack face to allow for the BCUII
mounting ear to be installed over the screw head.
Leave the screw head spaced out from the rack face to allow for the BCUII
mounting ear to be installed over the screw head.
2
Place a rack mounting screw in the fifth or sixth hole above the PDU left ear
bracket. Leave the screw head spaced out from the rack face to allow the
BCUII mounting ear to be installed over the screw head.
bracket. Leave the screw head spaced out from the rack face to allow the
BCUII mounting ear to be installed over the screw head.
3
Hang the BCUII on the two mounting screws and mate the green two-position
Screw Terminal Connector into the BCUII Power Supply on the rear.
Tighten the two retaining screws into the mating connector to 1.3 N-m (12
in-lb).
Screw Terminal Connector into the BCUII Power Supply on the rear.
Tighten the two retaining screws into the mating connector to 1.3 N-m (12
in-lb).
4
Use a T25 torx bit to install the remaining (two screws per side) rack mounting
screws. Torque all rack mounting screws to 4.7 N-m (42 in-lb).
screws. Torque all rack mounting screws to 4.7 N-m (42 in-lb).
Connecting Ground to BCUII
Perform the steps in
to connect the ground cable to BCUII.
Procedure 4-4
Connecting ground to BCUII
1
Remove the ground lug from the left inside wall using a 10 mm socket or
nut driver.
nut driver.
2
Crimp the BCUII ground lug onto a 6 AWG wire.
Continued
4-4
68P09308A55-6
FEB 2010