user manual

English 17
HP 10/100 3Com 3C905B-TX Network Interface Card Installation Guide
3C905B-TX NIC Specifications
LAN Connection Status LEDs
There are three LEDs on the rear of the 3C905B-TX NIC that indicate
the LAN connection status as follows:
Power
Requirements
•
Operating voltage: +5 V ± 5% @650 mA max
LED Description Flashing Steady Off
10 LNK Green:
Link integrity
Reversed polarity Good 10BASE-T
connection
between NIC and
hub
No connection
between NIC and
hub
100 LNK Green:
Link integrity
Reversed polarity Good
100BASE-TX
connection
between NIC and
hub
No connection
between NIC and
hub
ACT Yellow:
Port traffic for
either speed
Network traffic
present
Heavy network
traffic
No traffic
3com.bk : 3com-us.fb4 Page 17 Thursday, June 18, 1998 4:17 PM