HP ProCurve 2910al Series Installation And Getting Started Manual page 50

Installing the Switch
Installation Procedures
Figure 2-18. RJ-45 to DB-9 pinouts
Table 2-2.
RJ-45 (Signal reference from
2-24
5 4 3 2
9 8 7
Mapping of RJ-45 to DB-9
Chassis
RTS 1
TX_Debug 2
TXD 3
GND 4
DCD 5
RXD 6
RX_Debug 7
CTS 8
1
6
DB-9 (Signal reference from PC)
8 CTS
6 DSR
2 RXD
5 GND
1 DCD
3 TXD
4 DTR
7 RTS
9 RI
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8