dat asheet | july 2013 fiber op tics | r ev 201 3.0 7 i n f o rmat ion cont ained herein is deemed reliab l e and accurat e as of t he i ssue dat e. emc o re reserves t he right t o change t he desi gn or specif icat ion at any t i me wi t hout not ice. features wide b a n d widt h o f 40 to 860 mhz ac c o mmod a tes u p to 11 0 cha n n e ls on all m o d e ls prov ides ex c e lle nt pic t ure qu ali t y wit h a cnr up to 54.5 db, cso of -63 dbc , and ctb of - 66 db c rf output up t o + 28 db mv al lows a greater nu mb er o f drops or s p lits wide o p tic a l in put rang e of -8 dbm to +4.5 db m p e rmi t s the us e of a low e r power tra n s m itt e r , reduc i ng sy s te m cost built-i n, u n iversal ac power supply frees sy s tem us e r from b u lk y wall- mou n t ac a dap ter s t he 2808 11 0 cha nne l vsb/am optical re ceiver pr ovid es cat v distribut ion h e a den d oper ators w i th an e x tens ive ar ra y of featur es that offer a lo w - cost solutio n to incre a se s y stem p e rfor mance. t he receiver pr ovid es an rf output of + 28 dbmv allo w i n g multip le rf splits w i t h out the use of an ex ternal rf amplifi e r. t he 280 8 is eq uip p ed w i th a ma nu al gai n control th at allo w s th e u ser to adjust th e rf output lev e l for optimum performa nce. additi ona ll y, th e receiv er?s abi lit y to o perate over a w i de o p tical in put ran g e of -8 to + 4 .5 dbm all o w s for a variet y of s y stem desig ns w i t h o u t degr adi ng perform anc e. t he 280 8 ca n transport up to 110 cat v channels using th e entire hi gh-fre que nc y ba nd w i dth, or altern ativel y, it can transp o rt u p to 80 ch a nne ls of standard ana log cat v sign als w h ile utilizi ng the re maini ng h i g h -frequ enc y b and w i dt h to transpo rt 30 dig i tal qam chann els. t he receiv er incl ud es a univ e rsal ac po w e r sup p l y , fre e in g the user from a bu lk y w a ll-m o u n t ac ada pter. t he streamli ne d e sig n of the 280 8 o ffers the flexi b il it y a nd perform ance d e ma nde d b y to da y?s br oa dba nd pr ofessi ona l. 77/110 channel catv receiver part numbers description part number fiber optic receiver, 1310/1550 nm, sc/apc opti cal connector 2808r-s fsp fiber optic receiver, 1310/1550 nm, fc/apc optical connector 2808r-sfap 2808 110 channel cat v optical receive r http://
dat ashee t | july 2013 fiber op tics | r ev 201 3.0 7 i n f o rmat ion cont ained herein is deemed reliab l e and accurat e as of t he i ssue dat e. emc o re reserves t he right t o change t he desi gn or specif icat ion at any t i me wi t hout not ice. rf & optic a l characteristics para mete r min typ max units optical input power -8.0 0.0 +4.5 dbm operating wavelength 1290 1310 1330 nm operating wavelength 1530 1550 1571 nm bandwidth 40 - 860 mhz output rf impedance - 75 - ohms rf output level - - +28 dbmv rf output return loss - 16 - db back reflection tolerance - - -50 db required fiber bandwidth 2,000 - - mhz composite second order (cso) - -63 - dbc composite triple beat (ctb) - -66 - dbc carrier-to-noise ratio see graph db s y stem p e rfor mance sp ecific ations i ndic a te d for use w i th 9 / 125 m sin g l e mode fib e r . electrical characteristics para mete r min typ max units power supply voltage - 120 240 v ac power supply frequency 50 60 - hz power dissipation - 8 - watts ph y s ical characteristics parameter min typ max units weight - 1.1 0.5 - lbs kg dimensions - 8.45 x 2.95 x 1.12 215 x 75 x 29 - in mm environmental characteristics parameter min typ max units operating temperature range 0 - +50 o c storage temperature range -20 - +70 o c humidity (rh, non-condensing) 5 - 95 % 2808 110 channel cat v optical receive r carrier-to- nois e performanc e
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