Network Cable - Huawei S2700-EI Series Hardware Description

S2700-EI Series Ethernet Switches
Hardware Description
When connecting or removing a square connector, align the connector with the optical interface
and do not rotate the fiber. Pay attention to the following points:
l To connect a fiber, align the head of the fiber jumper with the optical interface and insert the
l To remove a fiber, press the latch on the connector and pull the fiber out.
Fiber Adapter
A fiber adapter (also called a flange) is a fiber connection component. Fiber adapters are widely
used in optical distribution frames (ODF), fiber transmission equipment, or optical instruments.

3.3 Network Cable

Types of Network Cables
A network cable connects a maintenance terminal to the console port on the main control board
for local or remote maintenance.
Network cables are classified into straight-through cables and crossover cables.
l
l
Huawei switches support both straight-through and crossover cables and their ports are adaptive
to the cable types.
Appearance and Structure
Figure 3-7
Issue 07 (2014-10-25)
NOTICE
optical fiber into the interface gently.
Straight-through cable: The twisted pairs in the RJ45 connectors at both ends are crimped
in the same sequence. A straight-through cable connects two devices of different types, for
example, a PC and a switch.
Crossover cable: The twisted pairs in the RJ45 connectors at two ends are crimped in
different sequences. A crossover cable connects two devices or interfaces of the same type,
for example, two PCs.
NOTE
l Generally, a network cable is a standard unshielded network cable that uses RJ45 connectors.
l The appearances of the straight-through cable and the crossover cable are the same.
shows the appearance of a network cable.
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