2.4
MDF Cabling
All connections to the
NX-828
system are made by way of the main distribution frame (MDF)
provided by SAMSUNG. The MDF connection can be done by using a 25 pair female amphenol-
type cable. There are five(5) kinds of MDF(MDFB-CEU, MDFB-MEU, MDFD-C, MDFD-M4TRK
and MDFD-M) for NX system and
Optional
MDF can be used with the
NX-828
system.
MDFB-CEU and MDFB-MEU are for the basic KSU and the MDFD-C, MDFD-M and MDFD-M4TRK
are used to connect the expansion B'd.
¡Ü
MDFB (Option B'd)
Used to connect the
NX-828
basic KSU.
There are two types of MDFB ;
¢¹
MDFB-CEU ( See
FIGURE 2
£-
3
)
¢¹
MDFB-MEU ( See
FIGURE 2
£-
4
)
¡Ü
MDFD (Option B'd)
Used to connect the expansion cards :
NX-4TRK, NX-4OPX, NX-8KLI, NX-8SLI
There are three types of MDFD ;
¢¹
MDFD-C ( See
FIGURE 2
£-
5A , 2
£-
5B
)
¢¹
MDFD-M4TRK ( See
FIGURE 2
£-
6
)
¢¹
MDFD-M (See
FIGURE 2
£-
7
)
¡Ü
Optional MDF
( See FIGURE 2-8 )
The MDF provided by SAMSUNG ELECTRONICS is configured as FIGURE 2-8.
It is composed of sixty (60) pair clips of which "IN" and "OUT" terminal is short internally.
The wire from the
NX-828
system champ connector is connected to the clip terminal
marked "IN" and the wire to C.O, station, or the additional feature equipment can be
connected from the clip terminal marked "OUT".
NX-828
HYBRID KEY SYSTEM
INSTALLATION
2 - 3
Содержание NX-828
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Страница 15: ...NX SERIES HYBRID KEY SYSTEM GENERAL DESCRIPTION 1 8 ...
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Страница 121: ...MMC 45 DEFAULT DATA GROUP 9 ALL TRUNK LINES GROUP 80 89 NONE RELATED MMC NONE NX 828 HYBRID KEY SYSTEM PROGRAMMING ...
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Страница 174: ...NX 828 SYSTEM DATABASE FORMS CUSTOMER NAME ADDRESS TELEPHONE NUMBER DATABASE CONTAINS SHEETS ...
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