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)