
PCLTA-20 PCI Interface User’s Guide
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PCLTA-20 Introduction
This guide describes the mechanical characteristics and the hardware
and software driver installation for the Echelon PCLTA-20 Interface
(Models 74401, 74402, 74403, 74404, and 74405) and the Echelon
PCLTA-20 Protocol Analyzer Card (included with Model 33100-20).
Except where noted, the term “PCLTA-20” used in this guide refers to
both cards.
Echelon’s PCLTA-20 card is a high-performance L
ON
W
ORKS
®
interface
for desktop, and embedded personal computers equipped with a 32-bit
PCI interface and a compatible operating system. Designed for use in
L
ON
W
ORKS
networks that require a PC to monitor, manage, or diagnose
the network, the PCLTA-20 card is ideal for industrial control, building
automation, and process control applications. The PCLTA-20 card
features support for a wide range of transceivers, downloadable memory,
a network management interface, and Plug n’ Play capability with
Microsoft
®
Windows 95, 98, Me, NT, and 2000 operating systems. The
PCLTA-20 protocol analyzer requires Windows 95 or 98.
The four versions of the PCLTA-20 interface with integral twisted pair
transceivers support the TP/FT-10 (Model 74401), TP/XF-78 (Model
74402), TP/XF-1250 (Model 74403), and TP-RS485 (Model 74404)
channels, respectively. The Model 74405 PCLTA-20/SMX interface and
the PCLTA-20 Protocol Analyzer support SMX transceivers, and may
therefore be used on a wide range of channels, including Echelon’s