Nex10 Low Loss Outdoor Cabling Configurations

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JMA’s premium compression connector, laser-welded jumper, and reusable weather protection products can now be configured to provide a low-loss solution for applications using Nex10 radio equipment such as small cells. Our solution is easily customized to fit your application. The overall configuration, which uses a 1/2” jumper and a 1/4” Superflex jumper, is detailed below along with ordering configurations for each.

 

1/2" Loose Connector and Weatherproofing Options
When using field fit connectors and weather protection (WPS) is preferred, use the table below to select the appropriate 1/2” products for each supported cable type. If factory made and tested jumpers are preferred, please skip to the next section of this document.
Cable Type Connector WPS Boot
1/2" Superflex UXP-4F-12S WPS-4S
1/2" Annular UXP-4F-12 WPS-4A

 

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1/2" Weatherproofed Jumper Option
Both the 1/2” and 1/4” Superflex factory jumpers are available from JMA. Use the nomenclature below to configure the 1/2” annular jumpers for your application. Note the “B” represents the unique configuration required for a 1/4” to 1/2” weatherproofed connection. The 1/4” Superflex jumpers can be configured using the nomenclature found on the 1/4” Superflex jumper data sheet found here.
 
Insertion Loss

The insertion loss of these solutions can easily be calculated using the information below.

Insertion Loss = I1/4 + I1/2

Where:

I1/4 = (-0.1 - 0.07L) f

I1/2 = (-0.1 - 0.05L) f

I1/4 = Insertion Loss of 1/4” jumper

I1/2 = Insertion Loss of 1/2” Jumper

L = Length in feet

f = Frequency in GHz

Electrical Specification Comments
Passive Intermodulation, 3rd Order1 -160 dBc minimum, dynamic HALT As per IEC 62037-2, -3, before, during and after HALT testing
Operating frequency DC - 6 GHz  
Minimum Return Loss (VSWR) < -28 dB (1.08) 617 - 960 MHz
< -28 dB (1.08) 1700 - 2200 MHz
< -25 dB (1.12) 2200 - 2700 MHz
< -20 dB (1.22) 3400 - 3800 MHz2
< -20 dB (1.22) 5150 - 5925 MHz2
As per Anatel 75

1 100% of jumpers factory-tested with result available via web-based portal (link below)

2 Jumpers manufactured with 6 GHz-ready connectors will be factory-tested to 6 GHz.

Highly Accelerated Life Tests (HALT) Specification Comments
Mechanical stress, dynamic Meets electrical performance in above table before, during, and after test. As per IEC 62037-2, -3
Peak pull strength > 200 lb min, ½” superflexible jumpers
> 350 lb min, ½” annular jumpers
Cable limited, cable must fail before connection
Cable torque > 36 lbf·in min, ½” superflexible jumpers
> 60 lbf·in min, ½” annular jumpers
Cable limited, cable must fail before connection
Thermal shock Meets electrical performance in above table before and after test. As per Anatel 75, before, during, and after HALT testing
Thermal stress Meets electrical performance in above table before, during, and after test. -55 °C to +85 °C, cycled every 2 hours for 30 days minimum
Moisture migration Meets electrical performance in above table before, during, and after test. No dye present past seals at 10X magnification. ANSI/SCTE 60 5 day submersion with thermal cycling.
Corrosion resistance Corrosion must not penetrate plating into base metals; plating must stay adhered to base metal. ASTM B117-94, 1000 hour duration
UV exposure Materials must show no signs of discoloration or embrittlement after 12 months exposure, equal to 33.4 years outdoors. Full UV spectrum (UVA, UVB, UVC), 12 months exposure with moisture present per ASTM G155
Vibration Meets electrical performance in above table before, during, and after test  

All specifications are subject to change without notice.

07/14/20