BusDor Catalog − Specification Sheet
RS−485/422/232 120 Ω
4x2x24 AWG SFTP
PVC jacket BUD−DOR cable
Teldor P/N 9392004XXX
GENERAL CONSTRUCTION
This is a 120 Ω impedance cable, designed for EIA RS−485/422 and RS−232
applications.
The cable contains 4 twisted pairs, shielded with an overall
polyester−aluminum foil and an overall copper−braid
and jacketed with PVC compound for fixed or portable installations.
1. Basic Wires:
1.1. Conductor : Stranded tinned−copper, 7x0.203 mm (24 AWG).
1.2. Insulation: Solid PE.
2. Pairs Construction:
2.1.Total number of pairs: 4
2.2. Color code: Blue
x White/Blue
Orange x White/Orange
Green x White/Green
Brown x White/Brown
3. Pair arrangement:
The four pairs are cabled together and wrapped with separation tapes.
4. Overall shield:
4.1. Polyester−aluminum foil, providing 100% coverage, with the foil
face out, laid in close contact with a tin−plated, 24 AWG stranded
(7x0.20 mm) drain−wire.
4.2. Braided shield, made of tinned−copper, providing 90% coverage min.
5. Overall jacket:
5.1. Material: PVC compound.
5.2. Color
: per request.
5.3. Marking : Per request, otherwise TELDOR standard marking.
5.4. Overall diameter: 9.6 mm nominal.
6. Electrical properties:
6.1. DC Resistance
: 94.0 Ω/km, max. @ 20C,
6.2. Impedance
: 120 ± 15 Ω @ 1 MHz.
6.3. Capacitance
: 42 pF/m nominal @ 1 KHz.
6.4. Voltage rating
: 230 V rms .
6.5. Dielectric strength: 1000 Volts/1 minute.
6.6. Attenuation
: 21.3 dB/Km max. @ 1 MHz.
72.2 dB/Km max. @ 10 MHz.
102.0 dB/Km max. @ 20 MHz.
6.7. Velocity of Propagation: 66% minimum.
7. General properties:
7.1. Total weight: 116 Kg/Km nominal.
7.2. Temperature range: −10C to +50C.
7.3. Flame test: IEC 332.1.
Prepared By: Prepared By: JACOB BEN−ARY
Revised By: Revised By: JACOB BEN−ARY
Revision No: Revision No: 3
Date: Date: 24−November−2005
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