363-205-401
Power Up:
Issue 7, March 1997
Page 1 of 4
DLP-528
Install 3C( ) Ringing Generators in Ring Shelf
SUMMARY: Install 3C( ) RINGING GENERATOR into GROUP 1 side - RING GEN1
slot in ring shelf. Verify FAIL indicator is off. Measure
−
43 to
−
56 V DC at
−
48V/GND, and 90 to 110 V AC and
−
50 to
−
60 V DC at
−
20HZ/GND. Install RING
GEN2 and repeat. For full shelf operation (BELLCORE mode), move P116B, cut
straps at central interconnection panel, and install and test ringing generators in
GROUP 2 side of shelf.
1.
NOTE:
The CB1 circuit breaker on the control & distribution panel provides
power to ring shelf and other equipment mounted in POSITION 1 of the
cabinet.
On control & distribution panel, verify CB1 circuit breaker is on and NORMAL
indicator is lighted.
2.
Get two 3C( ) RINGING GENERATORs and inspect for possible physical
damage.
3.
Install one 3C( ) RINGING GENERATOR into GROUP 1 side - RING GEN1
slot in ringing shelf [Figure 1].
4.
Is FAIL indicator lighted on RINGING GENERATOR?
If YES, then continue with Step 5.
If NO, then proceed to Step 6.
5.
Replace RINGING GENERATOR and repeat from Step 3.
