Lucent Technologies SLC 5 Series - Page 206

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 GENERATOR
s 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.