data sheet dc204-135 december, 2005 1 fsds-045b 1x4 dual window wideband coupler dc204-135 features operating three window (1310, 1490, and 1550nm communication window) suitable for constructing passive optical networks. high reliability. (telcordia gr-1209, gr-1221 qualified) specification parameter specification configuration 1 x 4 fiber type ? 0.25mm coating sm-fiber ( itu-t g.652 ) operating wavelength 1260 ~ 1360 nm and 1480 ~ 1580 nm operating temperature -30 ~ +75 o c storage temperature -40 ~ +85 o c insertion loss (db) max.* 1) 7.5 (typ. 6.2db) uniformity (db) max. * 2) 1.6 (typ. 1.1db) polarization dependent loss (db p-p) 0.3 directivity (db) 50 return loss (db) 50 size 2.9 x l 42(mm) all specification not include connectors. ?1) include wavelength dependent loss, polarizat ion dependent loss and tem perature dependent loss. ?2) loss variation over 4 ports. maximu m variation over operating wavelength.
data sheet dc204-135 december, 2005 2 fsds-045b mechanical dimension ordering information furukawa electric reserves the right to improve, enhanc e and modify the features and specifications of fitel products without prior notifications. 42 i 2.9 i 0.25mm coated smf 4 of i 0.25mm coated smf unit ?f mm dc204 - 135 polishing symbol s spc a apc length symbol 0.5 0.5m 1.0 1.0m 1.5 1.5m 2.0 2.0m connectors symbol n none fc fc sc sc polishing symbol s spc a apc length symbol 0.5 0.5m 1.0 1.0m 1.5 1.5m 2.0 2.0m connectors symbol n none fc fc sc sc input port output port input output europe furukawa electric europe ltd. 3rd floor, newcombe house 43-45 notting hill gate london w11 3fe, u k tel: +44-20-7221-6000 fax: +44-20-7313-5310 http://www.furukawa-fitel.co.u k e-mail:sales@furukawa-fitel.co.u k japan head office 2-2-3, marunouchi chiyoda-ku tokyo 100-8322 , japan tel: +81-3-3286-3133 fax: +81-3-3286-3708 http://www.furukawa.co.jp email:comsales@ho.furukawa.co.jp north america furukawa america inc. 200 westpark drive, suite 190 peachtree city, ga 30269 tel: 770-487-1234 toll-free : 1-866-go-fitel(463-4835) fax: 770-487-9910 http://www.furukawaamerica.com oesales@furukawaamerica.com
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