Table of Contents
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Chapter 1
Introduction
System LEDs
Test LED
1-10
Remote Annex 4000 Hardware Installation Guide
Front Panel Components
There are six System LEDs on the front of the Remote Annex 4000.
The LEDs turn on or off to describe the Remote Annex 4000's state.
Table 1-2
describes the LEDs.
Table 1-2. Front Panel System LEDs
LED
Definition
POWER
On when the unit is receiving AC power and the internal DC
power supply is working properly.
UNIT
On after the unit successfully passes its self-test.
NET
On when the unit successfully transmits test data to, and
receives test data from, the network.
ATTN
On when the unit requires operator attention; flashing when
the unit encounters a problem.
LOAD
On when the unit is loading or dumping; flashing when the
unit is trying to initiate a load.
ACTIVE
Flashing when the unit is transmitting data to, and receiving
data from the network; flashing during diagnostics.
The Test LED is on the front of the Remote Annex 4000 and lights
when the Remote Annex 4000 is in test mode.
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