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Pin Assignment
DB-9 male
1
6
Figure 16. Console port pin and signalling details
Most PC serial ports require a cable with a female DB-9 connector. However,
terminal connections will vary, requiring a cable with either a DB-9 or DB-25
connector, male or female.
Serial cable options between the chassis and a PC or terminal are shown in
Figure 17.
Note: As indicated in Figure 16 and Figure 17, some of the wires should not be
DB-9 to DB-9
Female switch
1
Reserved
2
3
4
Reserved
5
Reserved
6
7
8
Reserved
9
Figure 17. Console port pin assignments showing cable connection options to a terminal or PC
Management port pin assignments
The management port is an RJ-45 UTP connector. Table 19 describes the
connector's pin assignments.
5
9
connected. If you do connect the wires that are labeled "Reserved", you
might get unexpected results with some terminals.
DB-9 to DB-25
Terminal or PC
Female switch
1
2
3
4
5
6
7
8
9
Table 19. Management port pin assignments
Pin number
1
Pin Number
Switch Signal
1
Reserved
2
TXD (output)
3
RXD (input)
4
Reserved
5
GND
6
Reserved
7
CTS (input)
8
RTS (output)
9
Reserved
Terminal or PC
1
Reserved
2
3
4
Reserved
5
Reserved
6
7
8
Reserved
9
MDI-X ports
TD+
8
3
2
20
7
6
4
5
22
net48bc033
Appendix. Hardware specifications
61
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