Hitachi Microlok II, Installation, Operation And Troubleshooting Manual, Page: 9 / 52

Microlok II
®
Serial-to-Ethernet Converter (SEC)
Copyright 2019 SM6800O Rev. 1, March 2019 1-1
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General Information
This manual describes the installation, configuration, operation, and troubleshooting of the
Serial-to-Ethernet Converter (SEC). The SEC is a device that converts Microlok II serial coded
data to Ethernet coded data. This allows Microlok II to be connected to an internal or external
network utilizing Microlok II Peer protocol to communicate vital and non-vital messages.
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Safety Summary
Throughout this manual there are notes, cautions, and warnings that should be followed by the
operator.
•
• Notes provide additional information to the subject being discussed in a particular
section of the manual.
• Cautions present considerations which, if ignored, could result in damage to the
equipment.
• Warnings present considerations which, if ignored, could result in personnel injury or
even death.
Electrical equipment can have high voltage and high temperature areas. Caution should be
exercised when working around electrical equipment.
Care must be taken to follow all local and railroad safety requirements.
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Abbreviations and Acronyms
The following are abbreviations and acronyms used in this manual along with their associated
meanings.
AAR Association of American Railroads
CAT5 Category 5 cable
DB D-subminiature, a common type of computer connector
DCD Data Carrier Detect
DHCP Dynamic Host Configuration Protocol
DIN Standardized 35 mm wide metal rail with hat-shaped cross section.
EMI Electromagnetic Interference
FRA Federal Railroad Administration
ftp File Transfer Protocol
HMAC Hash-keyed Message Authentication Code