utp cat3,cat5 25 pairs/50 pairs telephone cable,multi pairs PCM cable

FEATURES  

Meets EIA/TIA 568-B for category 3 requirements   
Fire protection – IEC60332-1 (CM)   
Cable is used for Voice-Grade applications and indoor installation

CONSTRUCTION

Conductor: Bare Solid Copper  
Conductor Dia.:0.50mm±0.005mm (24AWG)  
Pair Insulation:Polyethylene  
Outer Cable Diameter: 15mm ± 0.2 mm 

Pair Number:50 Twisted Pairs  
Pair Color Code:As per the standard color code  
Outer Jacket: PVC/LSZH Jacket  
Jacket Color:Grey RAL 9002 or as per request

TECHNICAL CHARACTERISTICS

Installation Temperature: 0°C to +60°C  
Operating temperature: -20°C to +60°C  
DC Resistance Unbalance :5%   
Pair-to-Ground Capacitance Unbalance :330 pF/100 m   
Capacitance:14pF/ft nominal  

Maximum strand pitch: 100 mm    
Minimum bend radius: 4 outer cable diameters   
Dielectric Breakdown:1000 Volts DC Conductor to Conductor   
Velocity of Propagation:PE=65%   
Maximum Skew:45ns@100 meters 

PACKAGING

305m/1000ft Easy pulling box; 500m/wooden reel;1000m/wooden reel

ELECTRICAL CHARACTERISTICS

Max attenuation at 20°C10

Min worst pair to pair NEXT loss at 772 kHz

Min worst pair Structural Return Loss (SRL)

At 772 kHz

2.2 dB/100 m 

At 772 kHz

43 dB

Up to 10 MHz

12dB

At 1 MHz

2.6 dB/100 m

At 1 MHz

41 dB

At 16 MHz

10dB

At 4 MHz

5.6 dB/100 m

At 4 MHz

32 dB

At 8 MHz

8.5 dB/100 m 

At 8 MHz

27 dB

At 10 MHz

9.7 dB/100 m 

At 10 MHz

26 dB

At 16 MHz

13.1 dB/100 m 

At 16 MHz

23 dB