Feature Upgrade Procedure - STARPLUS DHS-L Technical Manual

Feature Upgrade Pr ocedure
9. Observe the MPB/Power LED. After approximately 4-6 sec., the LED should begin to
flash.
10. If the LED remains unlit or lit without flashing, repeat the above steps from Step 3.
Once the power up sequence is complete, DEFAULT DATA is loaded and the system
should be fully operational.

Feature Upgrade Procedure

Use the following procedure to upgrade the
Once the upgrade is complete, the system must be initialized to assure proper operation.
1. Disconnect system power and remove the KSU cover.
2. Remove the MPB Card.
3. Using an IC extractor tool, remove the
4. Carefully remove the new software EPROM from its packing material and inspect for
damage (if any damage is noticeable please contact Vodavi Customer Service).
5. Install the new EPROM into the socket with extreme care so that no EPROM pins are
bent when inserted. The EPROM must be inserted such that the notch is oriented at
the top of the chip when in place (same orientation as the previously removed chip).
6. Reinstall the MPB removed in Step 2.
7. Following proper power up and initialization, the system should function properly
with the new Feature Package software features operational. All specific customer
database data must be re-entered to customize system operation for use.
Chapter 6, "Maintenance/Troubleshooting,"
Referto
cannot be activated.
Any handlingof system integrated circuits mustbedone in a static controlled environment.
Please use satisfactory static preventive practices while handling system components and
while working on the system KSU with cover removed. (USE A STATIC WRIST STRAP!)
The RAM battery requires 14 hr normal(powered) systemoperation for adequate charging.
Chapter 2 - Description a nd Installation
, forfurtherassistance if power up
DHS-L system Feature Package software.
DHS-L software EPROM.
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