Mdf Cabling - Samsung NX-828 Technical Manual

NX-828
HYBRID KEY SYSTEM

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.
MDFB (Option B'd)
¡Ü
Used to connect the NX-828 basic KSU.
There are two types of MDFB ;
MDFB-CEU ( See FIGURE 2 £- 3 )
¢¹
MDFB-MEU ( See FIGURE 2 £- 4 )
¢¹
MDFD (Option B'd)
¡Ü
Used to connect the expansion cards :
NX-4TRK, NX-4OPX, NX-8KLI, NX-8SLI
There are three types of MDFD ;
MDFD-C ( See FIGURE 2 £- 5A , 2 £- 5B )
¢¹
MDFD-M4TRK ( See FIGURE 2 £- 6 )
¢¹
MDFD-M (See FIGURE 2 £- 7 )
¢¹
Optional MDF
¡Ü
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".
( See FIGURE 2-8 )
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INSTALLATION