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Check for the voltages -48V (Voice), - 48V (Load) and -48V(Ring) with respect to
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-48V GND at the back plane and check for the polarity also.
Switch on the supply from MCB for IOP 0 and IOP-1 at IOP- PDP.
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Switch on IOPs and check -48V LED on rear side is glowing and run LED on
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front panel is blinking.
After power-on of the system, yellow LEDs on all FBI cards (suite PDPs, DCDPs
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& IOP-PDP) should glow. In suite-PDP FBI card, if any red LED glows check the
filter box daisy-chain connection upto its termination to FBI Card corresponding
to the particular BM or CM or LM. FBI Card jumper setting should be verified.
For CM, FFB on top hat jumper settings should be verified also to detect fan
failure alarm (visual) on suite PDP FBI card to which CM is connected. All fuses
on PDPs are to be checked also.
When all the electrical testings are over, start software loading as per the
procedure given in the "Exchange Operation" manual. Here data cartridge to be
used is "BARE MINIMUM DATA CARTRIDGE" supplied along with the
software deliverables.
Do all preliminary testing of IOPs as per the "Acceptance Testing" document.
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Now, for functional testing of the total system refer to "FUNCTIONAL
TESTING" Chapter 18 of Installation manual.
INSTALLATION MANUAL
POWER-ON PROCEDURE
347
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