Section IV – Diagrams
MN06135 Issue/Rev. 1.3 (6/17) 81
Optional ComFlash Mass Storage Expansion Board
The ComFlash Mass Storage Expansion Board is an optional hardware feature to the A3X that provides additional
flash memory to store transaction data. The expansion board comes with a 512M DS card that has the capability of
storing approximately 10,000+ additional transactions per arm. The ComFlash operates on Com4 and uses
RS2332 communications. The ComFlash also has the capability of alarming if the device is not operating correctly.
(The ComFlash Alarm will be invoked when the interface driver fails to receive a response within a reasonable
amount of time.) The A3X also has the ability to operate (on Com4) both the memory expansion board and the
Smith Meter Card Reader simultaneously. This option can be chosen by navigating through the system directory
and setting the Com4 function to: 20 Card Reader/ComFlash.
IMPORTANT: Must have EAAI board manufacture date year 2006 or newer AND have firmware Rev. 10.13 or higher.
Installation of the ComFlash Data Storage Device:
1. Make sure Power to the AccuLoad is turned OFF.
2. Open the cover of the AccuLoad so that the EAAI board is easily accessible.
3. The ComFlash will be mounted so the SD card is face up.
4. On the EAAI board you will notice CN1, CN2, and J4 & J5. The bottom of the SD Card should be positioned
so that the female connectors will line up with all three of the male connectors (CN1, CN2, and J4 & J5).
5. Once the connectors are lined up, simply press the memory expansion board onto the EAAI board until th
e
m
ale connectors are seated fully into the female connectors. All CN1, CN2, and J4 & J5 should now be firmly
secured and covered by the ComFlash board (no pins on any of these connectors should be exposed).
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