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HEADING 3 BOLD |
PHOTO & DESCRIPTION |
CAT 5e cables supplied with the iZone Systems are of the flat type as specified below
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1️⃣ Connectors: The modular connectors on the Flat Cat5e cables shall be moulded 8 position 8 contact (8P8C)
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SPECIFICATIONS |
Property | Nominal Value | Tolerance | Unit |
Characteristic impedance @ 100 MHz | 100 | ± 15 | Ω |
Nominal characteristic impedance @ 100 MHz | 100 | ± 15 | Ω |
DC-Loop resistance | ≤ 0.188 |
| Ω/m |
Propagation speed | 0.64 |
| c |
Propagation delay | 4.80-5.30 |
| ns/m |
Delay skew < 100 MHz | < 0.20 |
| ns/m |
Capacitance at 800 Hz | 52 |
| pF/m |
Inductance | 525 |
| nH/m |
Corner frequency | ≤ 57 |
| kHz |
Max tensile load, during installation (complete cable) | 800 |
| N |
Wire diameter | AWG-24 (0.51054 mm ; 0.205 mm2) |
|
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Insulation thickness | 0.245 |
| mm |
Maximum current per conductor | 0.577 |
| A |
Temperature operating | -55 to +70 |
| °C |
Maximum operating voltage | 125 |
| V DC |
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CONNECTORS |
1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8.
The physical dimensions of the male and female connectors shall be as per ANSI/TIA-1096-A and ISO-8877 standards. Typically the contact spacing is always 1.02 mm (centre to centre) and the modular connector dimensions are:
Connector | Length | Width | Height |
8P8C (RJ45) | 21.46 | 11.68 | 8.30 |
All connectors shall be fitted with a moulded flexible protective boot over the latching tab
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Gold Surface Layer |
The gold surface layer in the specified contact interface area shall meet the following requirements:
1️⃣ The material content shall be 99% pure gold minimum
2️⃣ The material density shall be 17 grams/cm3 minimum
3️⃣ The minimum gold thickness in the specified interface area shall be 1.2700 μm (50 μin)
4️⃣ The Knoop micro-indention hardness value shall be between 130 and 250 when measured in accordance with ASTM E384-05a using a load force of 0.245 N (25 g)
5️⃣ Test specimens shall exhibit no corrosion products having a diameter greater than 0.05 mm (0.002 in) when tested for porosity and other surface defects per EIA-364-53B
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Nickel Barrier Layer |
A nickel barrier layer shall be used between the gold surface layer and the base metal. It shall meet the following requirements:
1️⃣ The material content shall be 99.5% pure nickel minimum, and no other single component shall be more than 0.2%
2️⃣ The minimum nickel thickness shall be 1.2700 μm (50 μin)
3️⃣ The nickel barrier layer shall not crack when a contact sample is bent through a 180° angle, with the plated surface away, around a mandrel whose diameter is equal to the thickness or diameter of the contact sample
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Plug / Jack contact |
1️⃣ The plug/jack contact interface shall be hard gold to hard gold and shall have a minimum gold thickness of 1.2700 μm (50 μin) on each side of the interface. Alternative contact material that is compatible with hard gold and provides equivalent contact performance may be used under certain conditions. The minimum contact force at the interface shall be 0.98 N (100 g). A smooth, burr-free surface shall exist at the interface in the area shown. Contact surface roughness shall be 0.8128 μm (32 μin) maximum. Compliance can be determined by observation with 10X magnification. Compare surface protrusions and burrs on the contact surface with a 32-μin, ground-surface-finish gauge.
2️⃣ The jack contact design is based upon 0.4572 mm (0.018 in) spring temper phosphor bronze round wire in the modular plug blade and jack contact interface. Other contact configurations that provide contact performance equal to or better than the preferred configurations and do not cause damage to the plug or jack are permitted. Contact width should be 0.44958/0.49530 mm (0.0177/0.0195 in). Deviations from the desirable jack contact width are permitted for round contacts as well as noncircular cross sectional shapes but they shall be compatible with existing plug configurations.