Publication date: Nov, 2014
Revision A1.1
15
Figure 14: Serial Port (DB-9 DTE) Pin-Out
WIRING MAP FOR SERIAL CABLE
The DB-9 cable is used for connecting a terminal or terminal emulator to the
Managed Switch’s RS-232 port to access the command-line interface.
The table below shows the pin assignments for the DB-9 cable.
Table 4: Serial Cable Wiring
Function
Mnemonic
Pin
Carrier
CD
1
Receive
Data
RXD
2
Transmit
Data
TXD
3
Data
Terminal
Ready
DTR
4
Signal
Ground
GND
5
Data
Set
Ready
DSR
6
Request
To
Send
RTS
7
Clear
To
Send
CTS
8
N
OTE
:
No other pins are used.
