www.pulseelectronics.com ex144.a (02/12) nanofilter Z-321NFW xdsl over pots in-line filter description the Z-321NFW is a small in-line flter designed to expedite the service delivery and improve the performance of digital subscriber line (dsl) services. this model flters all telephone sets, facsimile machines, answering machines, etc. individually or in groups. this in-line dsl flter 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. applications the Z-321NFW flters are used with other z-blocker flters 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 in-line dsl flter is one of many flters manufactured by pulse for subscriber installed digital services within homes, offces, and hotels. excelsus is the number one selling brand of dsl flters worldwide. 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 certifed the in-line dsl nanofilter z-321nf-st block schematic
nanofilter Z-321NFW xdsl over pots in-line filter nanofilter z-321nf-st specifications line side differential input blocking impedance at 20 khz >2 k at 30 khz >3 k from 5 mhz to 10 mhz 1 khz insertion loss between 600 ? resistive <0.2 db 1 khz/2.8 khz slope between 600 ? resistive single flter <0.1 db with 3 flters <1.1 db dc resistance in ohms tip to tip, and ring to ring <12 ? tip to ring >10 ? longitudinal balance per ieee method from 200 - 1 khz >58 db from 1 khz - 3 khz >53 db xdsl insertion loss (with zdsl) 25 khz 16 db 40 khz 25 db 1.1 mhz 70 db 2.2 mhz 70 db 30 mhz 55 db low pass roll off (slope) between 600 ? and adsl transmission unit - remote >26 db inter-modulation distortion first and second order products >60 db envelope delay 300 hz - 2800 hz <100 s 600 ? pots return loss (with zadsl) single flter srl low >30 db erl >18 db srl high >14 db +2 bridged flters srl low >18 db erl >13 db srl high >8 db compliant and listed with ul / csa 60950, fcc cfr 47 part 68 mechanical specifcations 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. ? 2012 pulse electronics. ex144.a (02/12)
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