Specifications

rj22 telephone cable 50 pairs 0.4mm
Conductor: solid bare copper 26 awg  cable

             Conductor requirement:     99.99% pure copper

             Mechanical properties:       elongation 15%

             Diameter:                   0.51+/- 0.005 mm

             Conductor resistance:       94.5 ohm/km

             Resistance unbalance:      <2.5

             characteristic impedance:   100+/- 15 ohm

Insulation: high density polyethylene (hdpe)  cable

               Thickness:                 0.20 +/- 0.02 mm

               Mechanical properties:       elongation 300%

               Diameter:                0.9+/- 0.02 mm 

               Insulation resistance:      >=5000 mega-ohm/km

Twisted: two conductors with insulation twisted

             Twisted insulation color code as table show

Unit: 25 pairs as one unit 

Filling mateiral: pertrol jelly filled cable

Wrapping: polyester tape wrapping all the conductors concentric

Shield: 0.2mm aluminum tape

Inner jacket: black pe jacket

Cabling: 4 units concentric+polyester tape+aluminum tape+inner pe jacket

       +double layer steel tape+outer pe jacket

Outer diameter: 40.5mm for total cable  50 pairs telephone cable

Electrical properties: according to the YD/T322-1996 standard

Word print:50 pairs underground jelly filled telephone cable

Package: wood drum

Application:This 100 pairs high performance backbone cable is suitable for underground use.

It can be installed in 100 Base-T, Gigabit Ethernet, 155 Mbps ATM, TP-PMD Audio, Multimedia and

Telephone networks.  cable

Factory workshop:

package:

Looking forward to our cooperaiton.