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
40 D C U M a i n t e n a n c e a n d O p e r a t i o n M a n u a l
Repairs
4. Remove board from locking connectors by grasping it with two hands and
pulling it out.
5. After confirming your ESD ground connection, carefully unwrap new PCB
and slide it into clasps. The board is fully seated when there is a slight snap.
6. If you are replacing the board, return old PCB to Aclara. Be sure to contact
Aclara for an RMA number prior to returning the equipment.
7. If you are recording the FCC ID information, locate the FCC and IC
information on the labels affixed to the board, and recored the data.
NOTES
FCC and IC information is located on labels affixed directly to the
communication PCBs.
The use of a different radio may require a corresponding change to the
nameplate label on the outside of the DCU.
Replacing a Main Board
Use the following procedure to replace a main board in a DCU 2+.
1. Remove AC power at the switch or breaker.
2. Inside the DCU, disconnect the DC power harness from the plastic box by
locating the DC power harness.