Network Interface; Network Interface Card Overview - 3Com 3C509B User Manual

1
This chapter describes the 3C509B network interface card
(NIC), provides procedures for installing the NIC, and
describes the correct network cable to use for connecting
each version of the NIC to an Ethernet network.

Network Interface Card Overview

The four versions of the 3Com
3C509B NIC are shown in
version to connect your ISA or EISA PC to an Ethernet
network using up to three different types of media.
Figure 1 3C509B Network Interface Card Versions
3C509B-TPO
Each NIC has a light-emitting diode (LED) called the link
LED, which indicates whether there is an active connection
between the NIC and the hub. See
for a more complete description of this function.
N
ETWORK
I
NSTALLATION
LED
3C509B-TPC
I
NTERFACE
®
EtherLink
Figure 1. Use the appropriate
LED
LED
3C509B-TP
"Link
C
ARD
®
10 Mbps ISA
LED
RJ-45 port
AUI port
BNC port
3C509B-COMBO
LED" on page 25