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Logo TII Network Technologies
Title TII Ground loop Isolator pn# 220

Image of TII 220 Isolation device

220 TECHNICALS

RF PERFORMANCE:
RF Bandwidth:
1MHz-1.0Ghz
Impedance;
75 Ohm
Insertion Loss;
<0.5dB
Return Loss;
>24.0 dB
GENERAL TECHNICALS:
Input-Output Shield Isolation
>2,000 Volts
Input-Output Center Isolation
<1,000 Volts
Operational Temperature;
-40oC to+65oC
140oF to 149oF
Product Weight;
0.5oz
14.175g
Standard Packaging
50 Pieces

PDF INSTALLATION DOCS

TII 220 Dimensional Drawing
Link to PDF of TII 220 Technicals


Specifications subject to change without notice.



PRODUCT DESCRIPTION:

TII's 220 Coaxial Isolator provides galvanic isolation both the shield and center conductors of a standard 75 ohms coaxial system while maintaining low insertion loss for RF signals. The Isolator eliminates ground loops, and provides a degree of protection for electronic equipment from electrical transients and inadvertently “Hot” coax shield or center conductors. This helps prevent unwanted noise and picture interference in cable television systems. The Isolator’s frequency range is suitable for IPTV installations utilizing HPNA or MoCA signaling over coaxial cable.

The metallic housing of the TII Coaxial Line Isolator provides adequate EMI shielding. It also is environmentally sealed to prevent ingress of moisture and humidity that has been shown to introduce CPD to a subscriber's premise drop.

KEY PRODUCT BENEFITS:

Isolates coaxial cable's shield, prereventing unwanted ground loop current on the shield of the cable, which can cause noise and degrade picture quality.

DC Block on center conductor protects electronic equipment from hazardous voltages and electrical transients.


Ground Isolation > 2000V. Isolation level between the service ground to customer ground is greater than 2000 V.





Center Conductor DC Block > 1000V.

Robust design includes a metallic housing that provides excellent RFI shielding of >85 dB.
Housing is environmentally sealed against moisture and humidity.

Dvice comes standard with “F” type Male-Female connectors.All ports comply to all existing SCTE standards.

Product shows superior RF performance operating at a frequency range of 1 MHz-1 GHz. Maximum RF insertion loss is 0.5 dB. at 1 GHz.


Metallic housing of the protector provides excellent EMI shield, effective beyond 130dB.

Listed to conform to UL 497C.




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6/21/2017