Z-BLOCKER
®
Z-230TJ
In-Line DSL Filter
Description
The Z-230TJ is a small in-line filter designed to
expedite the service delivery and improve the
performance of digital subscriber line (DSL)
and home phoneline network (HPN) 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 jack that is unfiltered for connecting
DSL and/or HPN. Our in-line DSL filter design
electronically isolates the high-speed DSL and
HPN data streams from the voice band plain old
telephone service (POTS) This design
effectively blocks the DSL, HPN and other
radio frequencies up to 10 Megahertz.
Features
• Isolate telephone equipment impedances
from the xDSL and HPN systems
• Attenuate xDSL & HPN signals to phone
equipment to prevent conversion to voice
band signals
• Attenuate HPN signals to unbalanced phone
equipment to prevent radiation into
electronic equipment
• Attenuate radio signals picked up by
unbalanced telephone acting as an antenna
from effecting DSL or HPN receivers
• Minimize voice band interference ---
transmission, signaling and supervision
• Compatible with all major xDSL standards
including ADSL Full Rate (ITU-T G.992.1),
ADSL G.Lite (ITU-T G.992.2), ADSL2
(ITU-T G.992.3 and .4), ADSL2+ (ITU-T
G.992.5 in analog mode), ADSL2++, VDSL
(ITU-T G.993.1), VDSL2; also V.90 and
Metallic Loop Testing compatible
• FCC CFR 47 Part 68; UL 1950, and CSA
22.2 #950-5 compliant and listed
Applications
The Z-230TJ filters are used with other
Z-BLOCKER
®
filters distributed throughout the
subscribers’ premises to isolate all voice band
equipment devices such as corded/cordless
telephones, answering machines, fax machines,
56Kb/s and lower rate modems, automatic
dialers, recorder connectors and satellite
television set-top boxes.
The Z-230TJ 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.
