Zte ZXR10 8900 Series, Руководство по установке оборудования

Страница: 91 / 109

C h a p t e r
6
Power Supply Cables
Installation
Table of Contents
DC Power Supply Cable .....................................................83
AC Power Supply Cable ......................................................84
Grounding Wire Installation ...............................................85
Installation Notice .............................................................86
DC Power Supply Cable
The types of power cables and grounding wires are shown in Table
9 .
T
ABLE
9 P
OWER
C
ABLE AND
G
ROUNDING
W
IRES
Type End symbol Color Cross sectional area
-48V power core (DC Power
Distribution Cabinet – Equipment)
-48V Blue 16 mm 2
-48V grounding wire (DC Power
Distribution Cabinet – Equipment)
-48V GND Black 16 mm 2
Protective grounding wire (DC
Power Distribution Cabinet –
Equipment)
PE Kelly 25 mm 2
Cabinet inter-connecting cable GND Black 50 mm 2
-48V power cord from the primary
power supply output to the Power
Distribution Cabinet
-48V Blue 95 mm 2
-48V power cord from the primary
power supply output to the Power
Distribution Cabinet
-48V GND
Black
95 mm
2
Cabinets are provided with –48 V grounding terminals (GND) and
cabinet grounds (PE). The GND is the –48 V working ground for the
equipment. All the DC working ground wires have been connected
to the cabinet shells inside the GND. The cabinet ground is the
secondary protective ground for the equipment. It can discharge
the remaining charges in the primary protective unit when it is
Confidential and Proprietary Information of ZTE CORPORATION 83