Technical Manual
Table Of Contents
- Table of Contents
- Product Specifications
- Warnings, Cautions, and Notes
- Introduction
- Commissioning
- Tools Required
- Connect to the Main Board
- Commission the DCU
- Installer Commands
- Global Commands
- Administrator Commands (for an LTE Backhaul)
- Alarm Menu
- Manufacturing Menu
- MTU Menu
- Transceiver Menu
- Records Menu
- Power Supply Debug Menu
- Transceiver Debug Menu
- Advanced Menu
- Global Navigation Satellite System (GNSS) Menu
- Maintenance
- Troubleshooting
- Testing the DCU
- Local Menu “WALL” Command Information
- DCU-Generated Headend Messages
- Index
44 D C U M a i n t e n a n c e & O p e r a t i o n M a n u a l
Troubleshooting
• Damaged solar panels
• Antennas
• Noticeable lightning marks - Check the antenna lightning arrestor, as well as
the connections at the antenna base.
• Appropriately illuminated Printed Circuit Board (PCB) LEDs
• Cable connections
• Battery - Are the terminals clean and secure? Is the battery’s state of charge
above the threshold setting? Is the proper voltage present?
High voltage hazard. To avoid injury and damage to unit, take care while
working inside the protective enclosure. Do not touch or allow foreign objects
to touch the AC component.
Troubleshooting
DCU Main Processor Board
• Perform a visual check of the main processor board. The following image
provides an overview of what to check.
LED 1 State LED 2 State Status
Off On DCU powered down
On On DCU booting up
Blinking 1x/sec Blinking 1x/sec DCU up and running (normal)
Ethernet
LED 2
LED 1 Reset
Force Call