Roduct O Verview; Overview - 3Com EtherLink III User Manual

1
The 3Com® EtherLink® III Parallel Tasking® adapters are a
family of third-generation Ethernet adapters.This family
includes 16-bit Industry Standard Architecture (ISA) and 32-bit
Extended Industry Standard Architecture (EISA) adapters as
well as Micro Channel® Architecture (MCA) and Personal
Computer Memory Card International Association (PCMCIA)
adapters.This guide contains installation, configuration, and
diagnostic information about the 16-bit ISA adapters only.

Overview

This guide describes these 3Com EtherLink III ISA adapters:
■ 3C509B-TPO (twisted-pair only)
■ 3C509B-TP (twisted-pair)
■ 3C509B (coax)
■ 3C509B-COMBO (coax and twisted-pair)
These adapters are functionally identical; they differ only in
the layout of the components and the type of media
supported on the backplates, as shown in Figure 1-1.The
name "EtherLink III adapter" is used in this guide to refer to
all four adapters unless otherwise specified.
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