Precautions For Installing The Dc Power Distribution Box (Tn51Pdu) - Huawei OptiX OSN 3500 Quick Installation Manual

• Precautions for installing the DC power distribution box (TN51PDU)

DANGER
Do not install short-circuiting copper bars in the power output area of the DC power distribution box.
Determine whether to install short-circuiting copper bars in the power input area only according to the onsite
power supply.
M6 screw
CAUTION
Install OT terminals correctly according to the wiring terminal labels on the plastic cover of the DC power
distribution box.
CAUTION
Select the M6 two-hole OT terminals that comply with the power cable specifications of the DC power
distribution box to prevent sparkles in the power-on process.
CAUTION
Screws for the wiring terminals of the input and output power cables on the PDU must be fastened in case of
poor contact.
Power input
area
M6 two-hole OT
terminal
28
Power output
area
Two-hole OT
terminal with other
hole diameters