Chapter 8 Installation of Internal Power Cables and Grounding Cables
8.2 Installing Cables for an E4140 Shelf
The E4140 shelf uses two active/standby redundant power supplies. Each power supply
has two power cables. There are four power cables in total.
The following cables should be installed:
l
Two grounding cables
l
Four pairs of power cables
Note:
If the configuration is determined, the power cables connected at the unified
side has
been installed completely before delivery.
Prerequisite
l
The control switches of the unified
in the top part of the cabinet are set to OFF
positions.
l
Anti-static gloves, a cross head screwdriver, and M6×12 combination screws are
ready.
Steps
1.
Wear anti-static gloves.
2.
Install the grounding cables for the E4140 shelf. For installing grounding cables for
the E4140 shelf, see
.
Note:
The grounding cables cannot block the path for extracting the
board at either
side of the shelf.
a.
Remove the combination screw by using the cross head screwdriver at the
grounding point of the shelf.
Secure one end of the grounding cable to the
grounding point.
b.
Connect the other end of the grounding cable to the nearest vertical cable tray,
and secure the cable with a M6×12 combination screw.
8-3
SJ-20141121113158-006|2014-12-20 (R1.0)
ZTE Proprietary and Confidential