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Replacing an PTP 820F IDU or SM-Card
If you should need to replace the PTP 820F IDU, you must first remove the SM-Card Cover so that
you can insert it into the new IDU.
The SM-Card holds the configuration and software for the IDU. The SM-Card is embedded in the SM-
Card plastic cover that is located under the SM-card aluminum cover.
To remove the SM-Card:
1.
Switch the unit power off.
2.
Loosen the 2 screws of the SM-Card’s aluminum cover and remove it from the IDU.
3.
Loosen the 2 screws of the SM-Card Plastic Cover and gently remove it from the IDU.