Philips SPENDEX 40 Maintenance Manual page 61
Speech encryption decryption equipment
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Also See for SPENDEX 40:
- Operating manual (25 pages) ,
- Operating instructions manual (21 pages)
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NATO CONFIDENTIAL
S P E N D E X 4 0 U A 8 2 5 1 / 0 0 A N D / O l L I M I T E D M A I N T E N A N C E M A N U A L
7 . 4 . 2 M o u n t i n g o f t h e c o n n e c t i n g b o a r d
- Press the connecting board carefully into connector X2 of the
mother board;
- Apply the 8 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws.
7 . 4 . 3 M o u n t i n g o f t h e m a i n s / l i n e fi l t e r ( b a c k c o v e r )
- Connect connector X76 to connector X75, which is fixed on the
bottom of the power supply compartment (see Fig. 7.2);
- Fix connector X76 with the appropriate M2.5 screws;
- Connect the flat cable connector X56 and the blue connectors X53,
X57, X59 and X61 to the line interface board;
- Place the mains/line filter against the back of the housing. See to
it that the various connections with the line interface board do
not get jammed;
- Tighten the 14 captive M4 socket head screws.
7 . 4 . 4 M o u n t i n g o f t h e l i n e i n t e r f a c e b o a r d
- Check the hardware settings of the line interface board. Change
them, if necessary;
- Press the line interface board carefully on connector X48 of the
modem;
- Apply the 6 M3 screws, including the plain washers and the
retaining Belleville washers to the appropriate places;
- Tighten the screws;
- Screw the 6 captive M4 socket head screws in the appropriate holes
in the distant pieces;
- Place the line interface board/modem assembly carefully into the
housing. See to it that the flat cable connectors X50 and X52 are
not damaged;
- Tighten the 6 captive M4 socket head screws;
- Connect the flat cable connectors X50 and X52 and the blue
connector X63 to the line interface board (see Fig. 7.2).
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7 . 4 . 5 M o u n t i n g o f t h e m o d e m
■ - C h e c k t h e h a r d w a r e s e t t i n g s o f t h e m o d e m . C h a n g e t h e m , i f
necessary;
- Press the modem carefully on connector X47 of the line interface
board;
- Apply the 6 M3 screws, including the plain washers and the
retaining Belleville washers to the appropriate places;
- Tighten the screws;
- Place the line interface board/modem assembly carefully into the
housing. See to it that the flat cable connectors X50 and X52 are
not damaged;
9 9 2 2
1 5 4
1 3 4 3 1
7 - 7
NATO CONFIDENTIAL
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