56 APPENDIX A: SWITCH 8800 CABLES
Figure 19 The AUX Cable
Tab le 37 lists the AUX cable pin-outs.
RJ-45 Connector Figure 20 illustrates the RJ-45 connector.
Figure 20 The RJ-45 Connector
Tab le 38 lists RJ-45 MDI port pin-outs.
Tab le 37 AUX Cable Pin-outs
RJ-45 Signal Direction DB-25 DB-9
1RTS ---> 4 7
2DTR ---> 20 4
3TXD ---> 2 3
4CD <--- 8 1
5GND --- 7 5
6RXD <--- 3 2
7DSR <--- 6 6
8CTS <--- 5 8
Enlarged B side
Enlarged B side
Enlarged A side
Enlarged A side
Enlarged C side
Enlarged C side
DB25 Male
DB25 Male
Label
Label
DB9Male
DB9Male
8P8C Plug
8P8C Plug
Tab le 38 RJ-45 MDI Port Pin-outs
Pinout 10BASE-T/100BASE-TX 1000BASE-T
Signal Function Signal Function
1Tx+ Send data BIDA+ Send data to direction A
2Tx- Send data BIDA- Receive data from direction A