Product Hierarchy
Product Hierarchy

1888ELV - Category 7A Nonbonded-Pair ScTP Cable

1888ELV-Category 7A Nonbonded-Pair ScTP

CAT7A (1000MHz), 4-Pair, S/FTP shielded, Premise Horizontal Cable, 22 AWG solid bare copper conductors, Foam Polyolefin insulation, each pair with Beldfoil® shield, overall tinned copper braid shield (50% coverage), LSZH jacket


Suitable Applications: Horizontal and building backbone cable; Support current and future Category 6a, 7 and 7a applications: 10GBase-T (10 Gigabit Ethernet), 1000Base-T (Gigabit Ethernet), 100 Base-T, 10 Base-T, FDDI, ATM

Physical Characteristics (Overall)

ElementAWGStrandingMaterialNo. of Pairs
Individual shielded pair22SolidBC - Bare Copper4
Conductor Count: 8
Total Number of Pairs: 4
ElementTypeMaterialNominal Diameter
Individual shielded pairDielectricFoamed Polyethylene1.54 mm
Color Chart
Pair 1White & Blue
Pair 2White & Orange
Pair 3White & Green
Pair 4White & Brown
Inner Shield Material
ElementTypeMaterialCoverage [%]
Individual shielded pairTapeAluminum / Polyester100 %
InnerShield, Table Note: Aluminum facing outside
Outer Shield Material
TypeMaterialMin. Coverage [%]
BraidTinned copper30 %
Outer Jacket Material
MaterialNominal DiameterDiameter +/- ToleranceRipcord
LSZH / FRNC8.1 mm0.3 mmYes

Electrical Characteristics

Max. Capacitance UnbalanceMax. Mutual Capacitance
1,600 pF/m56 pF/m

Construction and Dimensions

Min Elongation at Breakof Conductors: 10 %
Min Elongation at Breakof Insulation: 100 %
Min Elongation at Breakof Jacket: 100 %
Min Tensile Strength of Jacket: 9 MPa
Conductor DCR
Max. Conductor DCRMax DCR Unbalanced Between Pairs [%]Max. DCR Unbalanced Within Pair [%]
95 Ohm/km4 %2 Ohm
Nominal Characteristic Impedance
100 Ohm
Max. Delay SkewNominal Velocity of Propagation (VP) [%]
25 ns/100m73 %
High Freq
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. PSNEXT [dB]Min. ACR [dB]Min. PSACR [dB]Min. ACRF (ELFEXT) [dB]Min. PSACRF (PSELFEXT) [dB]Min. RL (Return Loss) [dB]Min. PSANEXTMin. PSAACRFMin. TCL [dB]Min. ELTCTL [dB]
1 MHz2.1 dB/100m78 dB75 dB75.9 dB72.9 dB78 dB75 dB20 dB67 dB67 dB40 dB23 dB
4 MHz3.7 dB/100m78 dB75 dB74.3 dB71.3 dB78 dB75 dB23 dB67 dB67 dB34 dB15 dB
10 MHz5.8 dB/100m78 dB75 dB72.2 dB69.2 dB75.3 dB72.3 dB25 dB67 dB67 dB30 dB10.9 dB
16 MHz7.3 dB/100m78 dB75 dB70.7 dB67.7 dB71.2 dB68.2 dB25 dB67 dB67 dB28 dB5.1 dB
31.2 MHz10.3 dB/100m78 dB75 dB67.7 dB64.7 dB65.4 dB62.4 dB23.6 dB67 dB63.3 dB25.2 dB
62.5 MHz14.6 dB/100m78 dB75 dB63.4 dB60.4 dB59.4 dB56.4 dB21.5 dB67 dB57.3 dB22 dB
100 MHz18.5 dB/100m75.4 dB72.4 dB56.9 dB53.9 dB55.3 dB52.3 dB20.1 dB67 dB53.2 dB20 dB
155 MHz23.2 dB/100m72.5 dB69.5 dB49.3 dB46.3 dB51.5 dB48.5 dB18.8 dB67 dB49.4 dB18.1 dB
250 MHz29.7 dB/100m69.4 dB66.4 dB39.7 dB36.7 dB47.3 dB44.3 dB17.3 dB67 dB45.2 dB16 dB
500 MHz42.8 dB/100m64.9 dB61.9 dB22.2 dB19.2 dB41.3 dB38.3 dB17.3 dB67 dB39.2 dB
600 MHz47.1 dB/100m63.7 dB60.7 dB16.6 dB13.6 dB39.7 dB36.7 dB17.3 dB65.8 dB37.6 dB
1000 MHz61.9 dB/100m60.4 dB57.4 dB-1.5 dB-4.5 dB35.3 dB32.3 dB15.1 dB62.5 dB33.2 dB
1200 MHz68.4 dB/100m59.2 dB56.2 dB-9.1 dB-12.1 dB33.7 dB30.7 dB14.3 dB
High Freq Table Note: Limits below 4MHz are for information only; Values at 1000 MHz are for information only
Max. Recommended Current [A]
1.5 A
Voltage Rating [V]
72 V
Coupling Attenuation
Coupling Attenuation [dB]
Type I V dB dB
Coupling Attenuation Class: Type I
Transfer Impedance
Frequency [MHz]DescriptionTransfer Impedance
1 MhzGrade 1Max. 10 mOhm/m
10 MhzMax. 10 mOhm/m
30 MhzMax. 30 mOhm/m
100 MhzMax. 100 mOhm/m
Burning Load: 700 kJ/m

Applicable Standards & Environmental Programs

CPR Euroclass: B2ca-s1,d1,a1
CENELEC Compliance: EN 50173-1 Ed. 3:2011


ISO/IEC Compliance: ISO/IEC 11801 Ed. 2.2:2002/A2:2010/C1:2011
Data Category: Category 7A

Flame Test

ISO/IEC Flammability: IEC 60332-1


Amount of Halogen acc. to IEC 60754-1 & EN50267-1: Zero

Mechanical Characteristics

Installation Temp Range: 0°C To +50°C
Operating Temp Range: -30°C To +60°C
Bulk Cable Weight: 70 kg/km
Max Recommended Pulling Tension: 105 N
Min Bend Radius During Installation: 65 mm
Min Bend Radius During Operation: 33 mm


Revision Number: 1
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