Table of Contents
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Chapter 1: System Overview
Unit
Receiver,
Receiver LR
Line
Splitter LR
1.5 Pre-Installation Guidelines
• Place cables away from fluorescent lights, air conditioners, and
machines that are likely to generate electrical noise.
• Do not bend the cable in a way that it can be damaged.
• While using tie wraps to hold the cables in place, make sure
not to pull them too tight, because this can damage the cable.
• For best performance, the specifications of the cable should be:
- Gage: 24 AWG (should be written on the cable)
- Wire: solid wire (should be written in the spec. of the cable)
- For cable runs over 330 feet (100 m), the SKEW delay of the
cable should be no more than 20 ns per 330 feet (100 m) (this
should be written in the spec of the cable).
Page 10
Table 1-4 (Continued). LED functions.
LED
RJ-45 system port—
Green/Yellow
Rear panel: RJ-45
system port—
Green/Yellow
724-746-5500 | blackbox.com
Function
Lights green when power
is on.
Lights yellow when a link
is established. This LED will
blink yellow intermittently.
Blinks yellow constantly to
indicate bidirectional
RS-232 communication.
(This is only possible with
one Receiver/Receiver LR
at a time.)
Lights green when power
is on.
Blinks yellow when a link
is established.
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