UNItivity 5000
Hub and Module LEDs
User Manual
Copyright © 2022 Zinwave. All rights reserved.
3-13
3.4 Start-up Sequence
3.4.1 Service Module
The following table shows a typical LED start-up sequence for a fully enabled Service Module:
Left
Middle
Right
Status
Off
Off
Dull Red
Initial power-up. Power present on Hub
allowing Service Module detection; or
Service Module NOT Enabled through
System Setup; or
Service Module inserted in invalid
slot. (E.g. In an output (front) slot).
Off
Green
Green
Service Module successfully detected
and in normal operation; or
Service Module with Service Warning; or
Service Module with Service Loss.
3.4.2 Optical Module
The following table shows a typical LED start up sequence for a fully enabled Optical Module:
Left
Middle
Right
Status
Off
Off
Dull
Red
Initial power-up. Power present on Hub allowing Optical
Module to be detected; or
Optical Module NOT Enabled through System Setup; or
Optical Module inserted in invalid slot. (E.g. In an input
(rear) slot).
Off
Off
Green
Optical Module successfully detected, starting discovery
of downstream system elements.
Off
Red
Green
Potential communication failure state: No incoming light
on fiber or no downstream system elements have
responded after several communication attempts
(discovery continues).
Off
Green
Green
Communication success state: communication with at
least one downstream system element successfully
established.
Green
Flash
Green
Green
Optical calibration and auto-setup of downstream units in
progress, and/or one or more downstream Remote Units
have their radio transceivers disabled.
Green
Green
Green
Optical Module and all downstream system elements
operating normally.
