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SATURN IIE EPABX
installation Test Procedures
General. The SATURN IIE System makes use of dis-
4 . 0 1
tributed power in the equipment cabinet. Several power sup-
plies are used in the system. These power supplies provide
voltage and message waiting voltage, from a 11OVac
input power source. After satisfactorily performing the ground
tests indicaied
in Section 3.00, the following
formed to ensure that proper power cable connections have
been accomplished and that the power supplies inside the
cabinet assembly have not been damaged during shipment.
f not previously done, extract each
ive backplane connector in basic
circuit breakers on the
fuses are inserted in their cor-
Jsing the digital multimeter (or an
ac
power
Connect the
power cord(s) to the
power receptacle(s).
the following circuit breakers
a) Basic PS
b) -48PSO
c) -48PSl (if equipped)
d) LTUPSO (if equipped)
e) LTUPSl (if equipped)
9
LTUPS2 (if equipped)
If the optional MSM module is
equipped in the system, proceed
follows:
If not previously done, connect
and insert battery pack into
the MSM assembly.
the BATTERY TEST
switch on the PSU and
release after verification has
been obtained.
SECTION 4.00 POWER-UP TESTS
extremely careful when performing testin@roubkshootjng'
must be per-
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the test procedures indicated in Table 4.00, check that all pow-
er cable assemblies are properly secured into their correspond-
i n g l o c a t i o n s . N o t e t h a t t h e t e s t p r o c e d u r e s i n T a b l e 4 . 0 0 i n c l u d e
p r o c e d u r e s f o r t e s t i n g t h e o p t i o n a l M S M , w h e n e q u i p p e d i n t h e
system.
Table 4.60 Power-Up/Output Voltage Test
VERIFICATION
receptacle
The associated green LED should
light steadily.
WARNING
Power-Up/Output Voltage Tests. Before proceeding with
IF VERIFICATION
IS NOT 08TAlNED
if polarity indication does not coin-
cide, correct before proceeding with
the remainder of test in this lable.
If the green LED remains cxtin-
guished, the battery pack is below
acceptable voltage limits. Let MSM
charge battery pack and retry test af-
ter 30 minutes have elapsed. If green
LED remains extinguished, the bat-
tery pack is defective and requires
replacement.
Issue 1, May 1986
'l-1
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