HP J3245A Installation And Configuration Manual page 168

Cables and Connectors
RS-232 Connector and Cable Pin-Outs
RS-232 Connector and Cable Pin-Outs
The switch's Console RS-232 connector is wired as if it is a terminal (DTE),
ready to be connected to a modem (DCE). The Switch 800T includes a null
modem cable that can be used to directly connect a PC to be used as the
console. To connect a modem to the switch, use a standard RS-232-C modem
cable.
This section provides pin assignment information for the cables you can use
on the RS-232 port.
Pin-Out for Switch's RS-232 Port Connector
PIN
1
2
3
4
5
6
7
8
9
A-6
US CCITT
DCD 109
Rx 104
Tx 103
DTR 108
GND 102
DSR 107
RTS 105
CTS 106
RI 125
DIN
M5
D2
D1
S1
–
M1
S2
M2
M3