Category 3 UTP Cable

Category 3 Wire Cable Features

• 1,000 ft (305 meters) Reels
• 1,000 ft (305 meters) Reelex® (featuring Reverse Sequential Numbering)
• 1,000 ft (305 meters) Reel-in-a-box

Cat 3 Plenum Wire Cable Description

Part No.	Pairs	Cable OD in (mm)	Weight lbs/1000ft (kg/305m)
38718-4	2	.15 (3.9)	11.0 (5.0)
38718-6	3	.16 (4.1)	13.0 (5.9)
38718-8	4	.20 (5.1)	17.0 (7.7)

Cat 3 Riser Wire Cable Description

Part No.	Pairs	Cable OD in (mm)	Weight lbs/1000ft (kg/305m)
30111-8	4	.18 (4.5)	17.0 (7.7)

Category 3 Wire Cable Applications

• Voice
• T1 Fractional
• IBM Type 3 – 1 Mbps
• 4/16 Mbps Token Ring
• 10BASE-T Ethernet
• 100BASE-T4 Fast Ethernet
• 25.6 Mbps ATM
• 100 VG – Any LAN
• All other applications developed for operation over Category 3 or class C cabling

Category 3 Wire Cable Transmissions Specifications

Frequency (MHz)	Ins. Loss (dB/100 m)	NEXT Loss (dB)	ACR (dB)	Structural Return Loss (dB)
1	2.6	41.3	38.7	12.0
4	5.6	32.3	26.7	12.0
8	8.5	27.8	19.3	12.0
10	9.7	26.3	16.6	12.0
16	13.1	23.2	10.1	10.0

Bulk Category 3 Power Sum Wire Cable Electrical Characteristics

Characteristic Impedance: 100 ± 15Ω (.772 to 16 MHz)
Maximum Resistance Unbalance: 5%
Maximum Capacitance Unbalance: 330 pF/100 meters
Maximum Delay Skew: 45 ns/100 meters