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Z-321NF-ST Datasheet, PDF (1/2 Pages) Pulse A Technitrol Company – xDSL over POTS In-Line Filter
NanoFilter Z-321NF-ST
xDSL over POTS In-Line Filter
Description
The Z-321NF-ST is a small in-line filter designed
to expedite the service delivery and improve the
performance of digital subscriber line (DSL)
services. This model filters all telephone sets,
facsimile machines, answering machines, etc.
individually or in groups. This in-line DSL filter
design electronically isolates the high-speed DSL
data streams from the voice band plain old tele-
phone service (POTS) equipment. This design ef-
fectively blocks the DSL, and other radio frequen-
cies from 25 kilohertz to 30 Megahertz.
Features
● Data Protection - Isolates telephone
impedances changes from DSL equipment
● Excellent DSL band attenuation that protects
voice band equipment and prevents
intermodulation distortion from degrading
data rates
● Compatible with all major DSL standards
including ADSL, ADSL2+, VDSL, and
VDSL2
● Voice Protection - Isolates DSL band
frequencies from voice band equipment
● Excellent longitudinal balance
● Compatible with Caller ID, facsimile and
metallic loop testing
● RoHS compliant
● CE Certified
● Compliant with UL 60950, and FCC Part 68
The in-line DSL nanoFILTER
Applications
The Z-321NF-ST filters are used with other
Z-BLOCKER filters distributed throughout the
subscribers' premises to isolate all voice band
equipment devices such as cordless telephones,
answering machines, fax machines, dial-up
modems, and television set-top boxes.
The Z-321NF-ST in-line DSL filter is one of many
filters manufactured by Pulse for subscriber
installed digital services within homes, offices,
and hotels. Excelsus is the number one selling
brand of DSL filters worldwide.
Z-321NF-ST Block Schematic
www.PulseElectronics.com
EX158.A (02/12)