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MAIN
DISTRIBUTION FRAME CABLE (MDF)
Application:
PVC
insulated and sheathed, pair type cables for indoor
installation and MDF rooms in switching centers.
Nominal
Capacitance:
90 nf/Km at 1000 Hz, Insulation resistance 500 M
.Km
(IRAN PTT Spec. TCI - 1993)
Construction:
I.Conductors: 0.6mm annealed copper;
2.insulation: Hard insulating grade PVC;
3.Cabling: colour coded and Insulated wires are pair
twisted and cross stranded into sub- units, main - units
and subsequently cabled in concentric layers to make
the final lay up of cable core;
4. Core wrapping: one or two layer(s) of polyester tape;
5.Shield: One layer of polyester laminated AL-foil with
a 0.6 mm tinned copper conductor as drain wire;
6.Sheath: PVC, Gray colour.
Table5
(For more info. click on the table)
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