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8.Enter "v50_dlp" source file name from the host computer and start the file transfer process.
9.Enter the Version 5.3 MPU software source file name (mpu_5xxx.bin) from the host computer. Then start the file transfer process.
10.During the download, observe the indicators on the MPU and APU modules. During the download, the MPU Status LED continually flashes green/yellow, and all APU indicators flash.
11.If you cancel a download, repeat Step 7 and continue. If this fails, reset the MPU and restart this procedure from the beginning.
Note: If the download is aborted and a "cancel" character is sent to the MPU, the MPU will reset for a new download attempt immediately. The cancel character is part of the XMODEM protocol supported by most software packages. If no cancel character is sent, wait two minutes before attempting another software download. The MPU takes two minutes to reset when no cancel character is sent.
Note: If the new software has been loaded into the host computer, but the download process to the MPU has NOT been initiated, resetting the MPU allows the existing earlier version of Version 5 software to reboot. If the download has been initiated, the earlier version has been destroyed and a full download is necessary.
12.As the Version 5.3 MPU software download proceeds, the software existing in the MPU module is replaced. When the download completes, the MPU automatically restarts and runs
•If Yes, proceed to Step 13.
•If No, and the MPU status indicator is red, repeat Step 7 and continue.
13.Affix the new version bar code sticker to the ejector tab of the MPU.
14.Affix the "2X" sticker to the MPU faceplate, above and to the left of the "STATUS" LED, below the ADC logo.
Note: For V5.2 or later software, this indicates the MPU recognizes and supports two HDSL repeaters.
Stop! You have completed this procedure.
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