English
Language : 

Z-321P2J Datasheet, PDF (1/2 Pages) Pulse A Technitrol Company – xDSL over POTS In-Line Filter
Z-BLOCKER® Z-321P2J
xDSL over POTS In-Line Filter
Description
The Z-321P2J 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 on line 1 only. It also
provides a second convenience jack that is unfiltered
for connecting DSL. This in-line DSL filter design
electronically isolates the high-speed DSL data
streams from the voice band plain old telephone
service (POTS) equipment. This design effectively
blocks the DSL, and other radio frequencies from
25 kilohertz to 30 Megahertz.
Features
• Data Protection - Isolates telephone
impedances changes from DSL equipment
• Excellent DSL band attenuation which
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
• FCC CFR 47 Part 68; UL 1950, CE Mark
• Telmex approved
The Z-321P2J provides a DSL convenience jack
for connecting a DSL modem
Applications
The Z-321P2J 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 satellite television set-top boxes.
The Z-321P2J in-line DSL filter is one of many
filters manufactured by Excelsus for subscriber
installed digital services within homes, offices,
and hotels. Excelsus is the number one selling
brand of DSL filters worldwide.
Z-321P2J Block Schematic
www.pulseelectronics.com
1
Z-321P2J.A (6/13)