Hirschmann 943 893-321, Manual

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5.2 Use in North America
19
5 Installation
Version 1.0 03/06
5.3 Installation procedure
The RS 485 Fiberoptic Repeater OZD 485 G12 BAS is
installed by the following steps:
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Installing repeater
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Installing terminating resistors and (as long as the
device is located at the end of the line)
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If necessary: Install pull-up/pull-down resistors (as
long as the device is located at the end of the line)
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Connecting the optical bus cables
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Connecting the electrical bus cables
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Connecting the function ground
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Connecting the operating voltage supply
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Checking the LED indicators
5.2 Use in North America
Relevant information for North America:
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Only for connection with a Class 2 power supply.
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For use in Class 2 Circuits.
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Use 60/75 or 75 °C copper(CU)wire only.