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AT-FH800 Series Installation Guide
17
Port assignments per pin are defined in Table 2, below
.
Schematics for both
straight and crossover twisted-pair cable are shown in Figure 12 and Figure 13.
Table 2
Port Assignments Per Pin
Figure 12
Schematics for Straight-Through Cable
Figure 13
Schematics for Crossover Cable
Pin
Assignment
(Station ports 1-12/24 MDI-X)
Assignment
(Port 12 or 24 MDI)
1 Input Receive Data + Output Transmit Data +
2 Input Receive Data - Output Transmit Data -
3 Output Transmit Data + Input Receive Data +
6 Output Transmit Data - Input Receive Data -
4, 5, 7, 8 Not Used Not Used
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TD +
TD -
RD +
Not Used
TD +
TD -
RD +
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
RD -
RD -
RJ45 PIN
RJ45 PIN
er IEEE 802.3 specifications
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TD +
TD -
RD +
Not Used
TD +
TD -
RD +
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
RD -
RD -
RJ45 PIN
RJ45 PIN
Per IEEE 802.3 specifications