EL212 Installation Guide Rev 16-Jan-14
Page 22 of 28
Serial DB9
Console Port
The switch has a standard RS232 male DB9 serial port as shown in the previous images.
The pin-outs are defined below. Use a standard
“null-modem” cable between your PC and
the switch. This cable is not supplied but is available from any computer store. If your PC
does not have a serial DB9 port then you can purchase an inexpensive USB to Serial
converter from any computer store, or use the USB port on the switch.
Switch
DB9 Female
Typical
Null-modem
Cable
DB9F to DB9F
PC
DB9 Female
DB9M
Pin #
Signal
Name
Signal
Name
DB9M
Pin #
1
CD in
CD in
1
2
RD in
RD in
2
3
TD out
TD out
3
4
DTR out
DTR out
4
5
GND
GND
5
6
DSR in
DSR in
6
7
RTS out
RTS out
7
8
CTS in
CTS in
8
9
RI in
RI in
9
Typical Null-
modem Cable
Summary of Contents for EL212F
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