![Nortel QPC471 Installation Manual Download Page 59](http://html1.mh-extra.com/html/nortel/qpc471/qpc471_installation-manual_1706449059.webp)
Page 53 of 66
DTI/CPI
Installation and data administration
56
Acceptance tests
This chapter describes the acceptance test procedure for the DTI feature. This
test verifies the operation of the system hardware.
The DTI card must be disabled before performing the self test or call
processing will be disrupted.
Self-test procedures
Follow the steps below to activate the initial test procedure:
1
Log into the overlay area.
2
Enter
LD 60
.
3
Enter
STAT L
to receive a status of the DTI card for Loop L.
4
Enter
DISL L
to disable DTI card for Loop L.
5
Enter
SLFT L
to test DTI card for Loop L.
6
If the system response is not appropriate, refer to
Digital Trunk
Interface/Computer-to-PBX Interface maintenance
(553-2811-500) to
analyze the message.
7
Enter
ENLL L
to enable the DTI card for Loop L.
8
Enter
****
to abort LD 60.