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Figure 59. Serial 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 device and a PC or terminal are shown in
Figure 60.
Note: As indicated in Figure 59 and Figure 60, some of the wires should not be
Figure 60. Console Port Pin Assignments Showing Cable Connection Options to a Terminal
or PC
10/100 and Gigabit port pinouts
Figure 61 on page 127 lists the pin assignments and signalling for 1000Base-T
ports.
126
Ethernet Switch s-series Installation and User Guide
Pin Assignment
DB-9 male
1
6
connected. Unexpected results occur in some terminals if the wires labelled
Reserved are connected.
DB-9 to DB-9
Female Switch
1
Reserved
2
3
4
Reserved
5
6
Reserved
7
8
Reserved
9
5
9
DB-9 to DB-25
Terminal or PC
Female Switch
1
2
3
4
5
6
7
8
9
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
6
Reserved
7
8
Reserved
9
8
3
2
20
7
6
4
5
22
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