Our Part Number: TP321

This TP321 Test Panel is equivalent to OEM testers A33003-2 and A34015-27 or A34015-35 . It is used for bench testing, troubleshooting and repair of  B747/B757/B767 AUDIO SELCECTOR PANEL ASSEMBLY P/N 285T0022-51 , as specified in ATA 23-51-05. Purchase includes Cables equivalent to A33003-35; A33003-47:A33003-50; Our P/N C321, which connects ASP to Tester TP321.  Power Interrupt circuit equivalent to A34015-27/-35, is incorporated directly into the TP321 for ease of use. This tester requires NO annual calibration.

TP321 is installed in an ABS box enclosure 510.5" X 19" X 8"

Optional manufacturer's "Certificate of Conformance" is available as industry accepted "proof" of equivalency for FAA/EASA inspector review, if needed. Request this at time of order. See example of "Certificate of Conformance" here:

Approximate Lead-Time:

4 Weeks ARO

Power Requirements:

1 each,  28VDC @ 1A

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