3Com Switch 8800 Family Installation Guide
22 CHAPTER 1: PRODUCT OVERVIEW
The following table describes the status LEDs for the management
10Base-T/100Base-TX port.
■ RS232/485 port
The RS232/485 port uses RJ-45 connector, for connecting external PoE power
frame when supported and monitoring its status.
■ Console port
The Console port uses an RJ-45 connector. It can be connected to a background
terminal for system debugging, maintenance, management, and host software
loading.
n
You can choose your own baud rate for the Console port.
■ AUX port
Max. transmission segment over the selected
medium
100 m (328 ft.) over the category-5 twisted
pair cable (crossover cable is required).
Service System program upgrade and network
management
Tabl e 16 Status LEDs for the management 10Base-T/100Base-TX port
LED Status
LINK OFF No link is present.
ON A link is present.
ACT OFF No packets are transmitted/received on the port.
Blinking Packets are being transmitted/received on the port.
Tabl e 17 RS232/485 port specifications
Item Description
Connector RJ-45
Number of ports One RS 232 port and one RS485 port
Service The port for monitoring and communication with the external subsystem,
such as external PoE power supply module
Tabl e 18 Console port specifications
Item Description
Connector RJ-45
Standard Asynchronous EIA/TIA-232
Baud rate 9600 bps (default)
Transmission
segment
15 m (49 ft.)
Service Connects a serial port of a local PC and runs terminal emulation on the
PC.
Table 15 Management 10Base-T/100Base-TX port specifications
Item Description