Power Up: DLP-528
363-205-401
Page 4 of 4
Issue 7, March 1997
PRELIMINARY DRAFT
13. Use SD-7C155-01 to correct problem in ring shelf wiring and repeat from Step
7.
14. On RING GEN1 at
−
20HZ jack and GND jack [Figure 1], measure DC negative
ringing.
Requirement: Meter indicates between
−
50 and
−
60 volts
15. Condition DMM to measure AC volts. Measure AC negative ringing at same
jacks (
−
20HZ and GND).
Requirement: Meter indicates between 90 and 110 volts.
16. Did meter indicate as required in Step 14 and Step 15?
If YES, then proceed to Step 18.
If NO, then continue with Step 17.
17. Replace RINGING GENERATOR and repeat from Step 4.
18. Has RING GEN2 been installed and tested?
If YES, then proceed to Step 20.
If NO, then continue with Step 19.
19. Install second RINGING GENERATOR in GROUP 1 side - RING GEN2 slot in
ringing shelf and repeat from Step 4 for RING GEN2.
20. Is group 2 side of shelf being equipped at this time (full shelf operation)?
If YES, then continue with Step 21.
If NO, then STOP. YOU HAVE COMPLETED THIS PROCEDURE
21. At ring shelf, disconnect P116B connector from J116-2 and reconnect it to
J116-3.
22.
NOTE:
The straps are cut to isolate alarms on GROUP 1 side of ring shelf from
alarms on GROUP 2 side of ring shelf.
At central interconnect panel on TS1, cut RGMJ strap between pins 21T2 and
21R2 and cut RGMN strap between pins 24T2 and 24R2.
23. Repeat from Step 2 for GROUP 2 side of shelf.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
