NEC NEAX 2000 IPS System Manual page 448

STEP3: Confirm indication lamps on the MP card.
NOTE: When the CLK IN lamp lights on the MP card, the clock signal is not generated from the MP
card. Check the switch settings on the DTI/CCT and MP card.
STEP4: Originate an outgoing call via trunks.
STEP5: After an outgoing connection via trunk has been established, confirm interoffice synchroniza-
tion and speech quality as follows:
• On the DTMF telephone set, keep pressing any dial button.
• Check to see if noise periodically occurs on the DTMF signals coming from the calling sta-
tion in the opposite office.
• Do the above test again in the opposite direction.
NOTE: If noise periodically occurs, replace the MP card after checking the switch settings on the DTI/
CCT and MP card, and do the above test again.
CHAPTER 5 OPERATION TEST
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PLO OPERATION TEST
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