H3C Technologies H3C S12500 Series Switches - Manual (Page 60)

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Figure 48 Console cable
Table 14 Console cable pinouts
RJ-45 pin Signal DB-9 pin Signal
1 RTS 8 CTS
2 DTR 6 DSR
3 TXD 2 RXD
4 CD 5 SG
5 GND 5 SG
6 RXD 3 TXD
7 DSR 4 DTR
8 CTS 7 RTS
Connection procedure
Figure 49 Connecting the switch and the PC through the console port
To connect the console cable: