NEC NEAX 2000 IPS System Manual page 435
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Also See for NEAX 2000 IPS:
- Command manual (1038 pages) ,
- Installation manual (619 pages) ,
- Reference manual (421 pages)
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STEP3: Turn on the operating power. Confirm the state of the lamps on the two 24DTI/24CCT cards or
30DTI/30CCT cards. See the following tables.
• Alarm Indications on 24DTI
• Alarm Indications on 30DTI
• Alarm Indications on 24CCT
• Alarm Indications on 30CCT
STEP4: With respect to channels assigned as trunks, perform call origination and call termination tests.
Prior to the performance test, make busy all trunks other than the test trunk by CME5.
Dial the trunk route access code and a station number. In the case of a loopback test, the same
BL lamp lights up on the calling side DTI/CCT card and the called side DTI/CCT card. At the
same time, the LPB lamp lights up on the called and calling side CCT cards. Talk with the called
side and confirm that there is no noise nor distortion. Perform this test from both digital and an-
alog stations if available.
STEP5: Reassign the system data, as needed.
STEP6: Turn off the operating power and disconnect the loopback test cable. Then, connect the trans-
mission line cable.
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CHAPTER 5 OPERATION TEST
LOOPBACK TEST
NWA-008853-001 Rev.3.0
JANUARY/31/2006
97ch5001.fm
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