Products >> SYT NUM Telephone Cables

CATEGORY 3 DIGITAL TELEPHONE CABLES

SYT NUM for Digital High Bit Rate Network Telephone Links.
Normative Reference: NFC 93-529


Construction:
Conductors: Solid  Wire - Bare copper AWG24 (Diam 0.51mm) & AWG 20 (Diam 0.81mm)
Insulation: Polyethylene - Colour code according to NF C 93-529
Assembly: By pairs, assembled in concentric layers (<21 pairs) or in bundles (>21 pairs)
General Shield:
Drain Wire in Tinned Copper Diam: 0.45mm
Aluminium / Polyester Tape (100% Coverage)
Sheath: PVC Grey or Ivory
Outer Sheath: PVC Grey

Electrical Characteristics:
Maximal Working Voltage: 300V
Maximal Permissible Current: AWG20 : 0.65A     AWG24 : 0.25A
Maximal Electric Resistance of Corre : AWG20 : 37,5 ohms/KM   AWG24 : 96.0 ohms/KM
Minimal Insulation Resistance: 1500 Mohms/KM
Mutual Capacitance: 80nF/KM
Capacity Unbalance: Pair/Pair : 300pF/500m
Impedance (1Mhz) : 100 ohms
Attenuation at 2Mhz : 3.5dB/100m.

Mechanical Characteristics:
Working Temperature: -10°C => +70°C
Flame Retardant: Category C2 According to NF C32-070 or IEC 60332-1

Packaging:
100m, 500m & 1000M


DIGITAL SYT1

 

 
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