A. Technical specifications
GPI 1-4
Definition
RJ-45 pin
EXT_GPIN_1_N 2
EXT_GPIN_2_P
3
EXT_GPIN_2_N
4
EXT_GPIN_3_P
5
EXT_GPIN_3_N
6
EXT_GPIN_4_P
7
EXT_GPIN_4_N 8
GPI 5-8
Definition
RJ-45 pin
EXT_GPIN_5_P
1
EXT_GPIN_5_N
2
EXT_GPIN_6_P
3
EXT_GPIN_6_N 4
EXT_GPIN_7_P
5
EXT_GPIN_7_N
6
EXT_GPIN_8_P
7
EXT_GPIN_8_N
8
About 568A and 568B on an Ethernet c onnector RJ-45
TIA/EIA-568A and -568B are two standards for connecting Category 3 and Category 5 wire to connectors.
Both are appropriate for high speed data, though 568B is somewhat more common for installed wiring
and 568A is more common in jumpers. There is no performance advantage either way. The only real
difference between the two is the order in which the pairs are used (orange and green).
Hold a cable as if to plug it into a wall jack, the locking tab down (contacts facing you). The contacts are
numbered 1-8 from left to right. Here’s what you will see:
RJ-45 Pin Number
(Left >Right
copper side)
568A 568B
AES -1-8
1
White/Green White/Orange AES 1&2 +plus
2
Green Orange AES 1&2
+minus
3
White/Orange White/Green AES 3&4 +plus
4Blue Blue
AES 5&6
+minus
5
White/Blue White/Blue AES 5&6 +plus
6
Orange Green AES 3&4
+minus
7
White/Brown White/Brown AES 7&8 +plus
8Brown Brown
AES 7&8
+minus
568A and 568B may be used interchangeably in a system SO LONG AS both ends of a given cable are
terminated the same way.
42
R5905722 ICMP 09/11/2016
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