NanoFilter Z-321NFW-50
xDSL over POTS In-Line Filter
Description
The Z-321NFW-50 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 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 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
The in-line DSL nanoFILTER
Applications
The Z-321NFW-50 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-321NFW-50 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.
● Excellent longitudinal balance
● Compatible with Caller ID, facsimile and
metallic loop testing
● RoHS compliant
● CE Certified
● Compliant with UL 60950, and FCC Part 68
RJ11-PLUG
6
5
4
LINE 1
3
2
1
RJ11-JACK
6
5
4
PHONE
3
2
1
RJ11-JACK
6
5
4
DSL
3
2
1
Z-321NFW-50 Block Schematic
www.PulseElectronics.com
EX151.A (2/11)
NanoFilter Z-321NFW-50
xDSL over POTS In-Line Filter
NanoFilter Z-321NFW-50 Specifications
Line side differential input blocking impedance
At 20 kHz
At 30 kHz
From 5 MHz to 10 MHz
1 kHz insertion loss between 600 Ω resistive
1 kHz/2.8 kHz slope between 600 Ω resistive
Single filter
With 3 filters
DC resistance in Ohms
Tip to Tip, and Ring to Ring
Tip to Ring
Longitudinal Balance per IEEE method
From 200 - 1 kHz
From 1 kHz - 3 kHz
xDSL Insertion Loss (with ZDSL)
25 kHz
40 kHz
1.1 MHz
2.2 MHz
30 MHz
Low pass roll off (slope) between 600 Ω and ADSL Transmission Unit - Remote
Inter-Modulation Distortion First and Second order products
Envelope Delay 300 Hz - 2800 Hz
600 Ω POTS Return Loss (with ZADSL)
Single filter
SRL Low
ERL
SRL High
+2 bridged filters
SRL Low
ERL
SRL High
Connectors: RJ-11 Jacks and RJ11 Plug
50 micro-inches of gold plating over ≥100 micro-inches of nickel plating
Compliant and listed with UL / CSA 60950, FCC CFR 47 Part 68
>2 k
>3 k
26 dB
>60 dB
30 dB
>18 dB
>14 dB
>18 dB
>13 dB
>8 dB
Mechanical specifications
Pulse Singapore - 135 Joo Seng Rd.#03-02PM Industrial Bldg.Singapore 368363 Tel: +65 6287 8998
Pulse Taiwan - 3F, #198, Zhongyuan Rd., Zhongli City Taoyuan, County 32068, Taiwan Tel: +886 3435 6768
Pulse US - 12220 World Trade Drive, San Diego, CA. 92128 Tel: +1 858 674 8100
www.pulseelectronics.com
Specifications subject to change without notice. Excelsus is a registered trade mark of Pulse Electronics.
© 2011 Pulse Electronics.
EX151.A (2/11)
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