Bell 6B KTS Manual page 25

Key telephone system
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Fig. 8-HK- 1 4 Circuit Pack Faceplate
BSP 518-411-100 -i01 1978-08-25. jpg
C I RC U I T PACK
SWITCH
ON
TEST V I SUA L
DISPLAY
TEST STEP
SW I TCH
T E R M I N A LS FOR
HAND TESTSET
Scanned by Frank Harrell, Cowboy Frank) Castle Rock, Colorado Oct 15, 2012 2 1 :03:00
ISS 1 , SECTION S 1 8-4 1 1 - 1 00
2 and if provided, links 3 and 4.
then be repeated unless the STEP switch is depressed
or the circuit pack turned off. If the STEP switch
is depressed, the circuit pack will make the next
test of each link in sequence.
made is displayed visually (Fig. 8). If it is desired
to make a particular test, the circuit pack must
be stepped until the proper digit or letter is
displayed. Refer to Table P and Fig. 19 through
30 for the circuit pack preparation sequence and
the individual test sequences.
The voltages used in the system are monitored
6.07
continuously as soon as the circuit pack is
plugged in.
The test will
The test being
Page 2S

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