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    Belden 7921A  Multi-Conductor - Category 5e DataTuff® 24 AWG solid bare copper conductorsTwisted Pair Cable工業級鋁箔銅網雙隔離乙太網路線(防油, 抗UV)
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    BELDEN-7921A


    Belden 7921A  Multi-Conductor - Category 5e DataTuff® 24 AWG solid bare copper conductorsTwisted Pair Cable工業級鋁箔隔離網路線(防油, 抗UV)
    General Description:
    24 AWG Bonded-Pairs solid bare copper conductors, polyolefin insulation, overall Beldfoil® (100%coverage) plus tinned copper braid shield (70% coverage), drain wire, industrial grade sunlight- and oil-resistant PVC jacket. Seq. marking at 2 ft. intervals

    Usage (Overall) Suitable Applications:
    Industrial Ethernet, Harsh Environments, Category 5e, Gigabit Ethernet, 100BaseTX, 100BaseVG ANYLAN, 155ATM, 622ATM, NTSC/PAL Component or Composite Video, AES/EBU Digital Audio, AES51, RS-422, Noisy Environments, CMX - Outdoor, EtherNet/IP™ 
     
    Put Ups and Colors:
    Item # Putup Ship Weight Color Notes Item Desc
    7921A 0021000 1,000 FT 55.000 LB RED C 4 PR #24 PP SH PVC 
    7921A 0061000 1,000 FT 55.000 LB BLUE, LIGHT  C 4 PR #24 PP SH PVC 
    7921A 0101000 1,000 FT 55.000 LB BLACK C 4 PR #24 PP SH PVC 
    7921A 0102000 2,000 FT 106.000 LB BLACK C 4 PR #24 PP SH PVC 
    7921A 1NH1000  1,000 FT 55.000 LB TEAL 1NH C 4 PR #24 PP SH PVC 
    Notes:  
    C = CRATE REEL PUT-UP.
     
    Usage (Overall)
    Suitable Applications: Industrial Ethernet, Harsh Environments, Category 5e, Gigabit Ethernet, 100BaseTX, 100BaseVG ANYLAN, 155ATM, 622ATM, NTSC/PAL Component or Composite Video, AES/EBU Digital Audio, AES51, RS-422, Noisy Environments, CMX - Outdoor, EtherNet/IP™
    Physical Characteristics (Overall)
    Conductor
    AWG:
    # Pairs AWG Stranding Conductor Material
    4 24 Solid BC - Bare Copper
    Insulation
    Insulation Material:
    Insulation Material
    PO - Polyolefin
    Outer Shield
    Outer Shield Material:
    Layer # Outer Shield Trade Name Type Outer Shield Material Coverage (%)
    1 Beldfoil® Tape Aluminum Foil-Polyester Tape 100.000
    2   Braid TC - Tinned Copper 70.000
    Outer Shield Drain Wire AWG:
    AWG Stranding Drain Wire Conductor Material
    24 Solid TC - Tinned Copper
    Outer Jacket
    Outer Jacket Material:
    Outer Jacket Material
    Industrial Grade PVC - Polyvinyl Chloride
    Overall Cabling
    Overall Nominal Diameter: 0.330 in.
    Pair
    Pair Color Code Chart:
    Number Color
    1 White/Blue Stripe & Blue
    2 White/Orange Stripe & Orange
    3 White/Green Stripe & Green
    4 White/Brown Stripe & Brown
     
    Mechanical Characteristics (Overall)
    Installation Temperature Range: -25°C To +75°C
    Operating Temperature Range: -40°C To +75°C
    Bulk Cable Weight: 50 lbs/1000 ft.
    Max. Recommended Pulling Tension: 75 lbs.
    Min. Bend Radius (Install)/Minor Axis: 1.320 in.
    Applicable Specifications and Agency Compliance (Overall)
    Applicable Standards & Environmental Programs
    NEC/(UL) Specification: CMR, CMX-OUTDOOR, UL444
    CEC/C(UL) Specification: CMR
    Other Standards: IS11801 Category 5
    EU Directive 2000/53/EC (ELV): Yes
    EU Directive 2002/95/EC (RoHS): Yes
    EU RoHS Compliance Date (mm/dd/yyyy): 01/01/2004
    EU Directive 2002/96/EC (WEEE): Yes
    EU Directive 2003/11/EC (BFR): Yes
    CA Prop 65 (CJ for Wire & Cable): Yes
    MII Order #39 (China RoHS): Yes
    Telecommunications Standards: 568B.2 Category 5e
    Other Specification: NEMA WC-63.1 Category 5e, EtherNet/IP™ Compliant
    Flame Test
    UL Flame Test: UL1661 Riser
    CSA Flame Test: FT4
    Suitability
    Suitability - Outdoor: Yes
    Sunlight Resistance: Yes
    Oil Resistance: Yes
    Plenum/Non-Plenum
    Plenum (Y/N): No
    Electrical Characteristics (Overall)
    Nom. Mutual Capacitance:
    Capacitance (pF/ft)
    15
    Maximum Capacitance Unbalance (pF/100 m): 150
    Nominal Velocity of Propagation:
    VP (%)
    70
    Maximum Delay:
    Delay (ns/100 m)
    538 @ 100MHz
    Max. Delay Skew:
    Delay Skew (ns/100 m)
    45
    Maximum Conductor DC Resistance:
    DCR @ 20°C (Ohm/100 m)
    9.38
    Max. Operating Voltage - UL:
    Voltage
    300 V RMS
    Maximum DCR Unbalanced:
    DCR Unbalance @ 20°C (%)
    3
     
     
    Electrical Characteristics-Premise (Overall)
    Premise Cable Electrical Table 1:
    Freq. (MHz) Max. Attenuation (dB/100 m) Min. NEXT (dB) Min. PSNEXT (dB) Min. ACR (dB) Min. PSACR (dB) Min RL (dB) Min. SRL (dB)
    1 2.0 65.3 62.3 63.0 60.0 20.0 20.0
    4 4.1 56.3 53.3 51.0 49.0 23.6 23.6
    8 5.8 51.8 48.8 46.0 43.0 25.4 25.4
    10 6.5 50.3 47.3 43.0 41.0 26.0 26.0
    16 8.2 47.3 44.3 39.0 36.0 26.0 26.0
    20 9.3 45.8 42.8 36.5 33.5 26.0 26.0
    25 10.4 44.3 41.3 33.9 30.9 25.5 25.5
    31.25 11.7 42.9 39.9 31.0 28.0 25.0 25.0
    62.5 17.0 38.4 35.4 22.0 19.0 23.5 23.5
    100 22.0 35.3 32.3 14.0 11.0 22.5 22.5
    Premise Cable Electrical Table 2:
    Freq. (MHz) Input (Unfitted) Imp. (Ohms) Fitted Impedance Min. ELFEXT (dB) Min. PSELFEXT (dB)
    1 100 ± 15 95-110 63.8 60.8
    4 100 ± 15 95-110 51.7 48.7
    8 100 ± 15 95-107 45.7 42.7
    10 100 ± 15 95-107 43.8 40.8
    16 100 ± 15 95-107 39.7 36.7
    20 100 ± 15 95-107 37.7 34.7
    25 100 ± 15 95-107 35.8 32.8
    31.25 100 ± 15 95-107 33.9 30.9
    62.5 100 ± 15 95-107 27.8 24.8
    100 100 ± 15 95-107 23.8 20.8
    Notes (Overall)
    Notes: US Patent #'s 5606151; 5734126. EtherNet/IP is a trademark of ControlNet International, Ltd. under license by Open DeviceNet Vendor Association, Inc. Operating temperatures are subject to length de-rating. Cable passes -40C Cold Bend per UL 1581.
     

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