Connection
25
Pin
Signal
Pin
Signal
2
RXD (Receive data)
2
TXD (Transmit data)
3
TXD (Transmit data)
3
RXD (Receive data)
5
GND (Grounding)
5
GND (Grounding)
USB Console Cable
Caution:
To use the console port with a Mini USB connector, you need to purchase a USB console cable
(optional).
One end of a USB console cable is Mini USB connector to be inserted into the console port
of the switch, and the other end is the USB connector to be inserted into the USB port of a
PC.
Figure 24 Mini USB Connector
Figure 25 USB Connector
Table 10 Pin Definitions of Mini USB Connector and USB Connector
Mini USB Pin
USB Pin
Definition
1
1
VBUS
2
2
D-
3
3
D+
4
--
ID
5
4
Grounding
5.6 Grounding
Grounding protects the switch from lightning and interference. Therefore, you must ground
