SNR-S212i-8POE Installation Guide
Hardware structure
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17
Figure 2-9
Ethernet cable
Technical specifications
The Ethernet cables have two types:
Straight-through cable: used to connect devices of different type, such as between a PC
and a switch, between a switch and a router
Crossover cable: used to connect devices of the same type, such as between PCs,
between switches, between routers, between a PC and a router (they are of the same type)
Table 2-12 lists the wiring of EIA/TIA 568A and EIA/TIA 568B standards.
Table 2-12
Wiring of EIA/TIA 568A and EIA/TIA 568B standards
Connector (RJ45)
EIA/TIA 568A
EIA/TIA 568B
PIN 1
White/Green
White/Orange
PIN 2
Green
Orange
PIN 3
White/Orange
White/Green
PIN 4
Blue
Blue
PIN 5
White/Blue
White/Blue
PIN 6
Orange
Green
PIN 7
White/Brown
White/Brown
PIN 8
Brown
Brown
Table 2-13 lists technical specifications of the Ethernet cable.
Table 2-13
Technical specifications of the Ethernet cable
Item
Description
Connector
RJ45 crystal head
Model
Cat 5 or better STP cable
Number of cores
8
Length
The letter D is the length, indicating that the cable is customized. For
example, if the customer requires 2-meter cables, they are named
CBL-ETH-RJ45/RJ45-2m.
