3com 8814 User Manual

Page of 97
22
C
HAPTER
 1: P
RODUCT
 O
VERVIEW
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.
 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
Table 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.
Table 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
Table 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