Antaira Technologies - Industrial Wireless Access Points
ARS-7235-5E-AC Series - Hardware Manual - v1.0
without changing the straight-through or crossover cabling. See the figures below for straight-through and
crossover cabling schematics.
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RJ45 Pin Assignments
Crossover Cable
Straight Through Cable
Pin Number / Signal
Pin Number / Signal
Pin Number / Signal
Pin Number / Signal
1 / RX+
3 / TX+
1 / RX+
1 / TX+
2 / RX-
6 / TX-
2 / RX-
2 / TX-
3 / TX+
1 / RX+
3 / TX+
3 / RX+
6 / TX-
2 / RX-
6 / TX-
6 / RX-
Table 2.2 - 10/100Base-T(X) RJ45 Pin Assignments
Crossover Cable
Straight Through Cable
Pin Number / Signal
Pin Number / Signal
Pin Number / Signal
Pin Number / Signal
1 / TP0+
3 / TP1+
1 / TP0+
1 / TP1+
2 / TP0-
6 / TP1-
2 / TP0-
2 / TP1-
3 / TP1+
1 / TP0+
3 / TP1+
3 / TP0+
4 / TP2+
7 / TP3+
4 / TP2+
4 / TP3+
5 / TP2-
8 / TP3-
5 / TP2-
5 / TP3-
6 / TP1-
2 / TP0-
6 / TP1-
6 / TP0-
7 / TP3+
4 / TP2+
7 / TP3+
7 / TP2+
8 / TP3-
5 / TP2-
8 / TP3-
8 / TP2-
Table 2.3 - 1000Base-T RJ45 Pin Assignments
Note:
“+” and “-” signs represent the polarity of the wires that make up each wire pair.
2.7 Cabling
Twisted-pair segments can be connected with an Unshielded Twisted Pair (UTP) or Shielded Twisted Pair
(STP) cable. The cable between the wireless access point and the link partner (wireless AP, switch, hub,
workstation, etc.) must be less than 100 meters (328 ft.) in length.
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