data sheet | february 2006 1of 5 for more information on this and other products: contact sales at ortel 626-293-3400, or visit www.ortel.com. applications high performance supertrunking links high power distribution networks redundant ring architectures fttx networks features single or dual optical outputs front panel rf test point rs232 control interface electro-fluorescence status display omi / rf gain adjustment agc select: cw, video, manual (no agc) industry leading field adjustable sbs suppression field adjustable electronic dispersion compensation (edc) ortel?s demt/semt/hemt/femt 2100 series product line is a family of state-of-the- art high performance 1550 nm externally modulated catv fiber optic transmitters. packaged in a convenient 1u 19? rack housing, this line of transmitters couples high optical output powers, up to 11.0 dbm, with low optical linewidth resulting in unmatched performance. the characteristics of the ortel transmitter design exhibit high cnr when coupled with one or more edfas over 100km, or used stand alone up to 80km. the optical modulator, combined with the proprietary predistortion circuit, provides superior ctb and cso performance with sbs suppression levels of greater than 19 dbm. newly introduced features such as built in field adjustable sbs control and electronic dispersion compensation allow these transmitters to be quickly optimized in the field for any link or application without the need to procure specifically tuned transmitters. this affords the system designer a level of flexibility previously unknown in the catv market place. all of these characteristics together provide a line of high quality; industry-leading transmitters that have the versatility needed to support hfc networks far into the 21 st century. the demt series transmitters are designed to be employed as a low cost, high performance solution for applications where the required fiber length is in the range of 20 to 50 kilometers. advanced, high power, dfb laser technology allows these transmitters to be fielded without the use of expensive and performance degrading edfas. this unique externally modulated transmitter technology allows the demt series of transmitters to be used in many novel hfc applications and architectures. the semt series transmitters are designed to be the most versatile model within the 2100 series family of 1550nm externally modulated transmitters. they can easily be configured to meet most hfc network solutions requiring link lengths in the range of 50 to 70 kilometers with one edfa as well as links utilizing multiple edfa?s. in addition, they will perform optimally in systems that require multiple optical splits and fiber branching incorporating unequal fiber lengths. the hemt series transmitters are high performance, 1550nm externally modulated transmitters optimized for single edfa fiber links in the 70 to 90 kilometer range. these transmitters take advantage of the 2100 series advanced fiber dispersion compensation circuitry to provide exceptional catv performance. the hemt series of transmitters provide a cost efficient, transport solution for medium to long distances the femt series transmitters are intended for use in fttx architecture designs requiring high quality transmission over varying transmission lengths and edfa output powers. these transmitters successfully support very high optical launch powers while controlling the detrimental effects of stimulated brillouin scattering (sbs), group velocity dispersion (gvd), and self phase modulation (spm) that normally limit performance in conventional externally modulated products. 2100 series 1550 nm extern ally modulated transmitter
data sheet | february 2006 2of 5 ortel, a division of emcore 2015 west chestnut street a lhambra, califo r nia 91803-1542 tel: 626-293-3400 fax: 626-293-3428 www.emcore.com copyright 2003. emcore corporation xemt 2100 series 1550nm transmitter revision b optical / electrical characteristics demt property units models comments performance (note 1,2,3,4) demt2101 demt2102 demt2103 demt2104 specified link length l (km) 40 40 40 40 channel plan ntsc 80-ch pal 60-ch ntsc 110-ch pal 89-ch output power po (dbm) 11.0 11.0 11.0 11.0 min. noise bandwidth bw (mhz) 4 5 4 5 sbs suppression (dbm) > 12.0 >12.0 >12.0 >12.0 min. carrier to noise ratio cnr (db) 54.0 54.0 51.0 51.0 min. composite second order cso (dbc) -65 -65 -65 -65 max. composite triple beat ctb (dbc) -65 -65 -65 -65 max. @ +25 c composite triple beat ctb (dbc) -64 -64 -64 -64 max. @ 0 o c to 50 o c semt property units models comments performance (note 1,2,3,4) semt2101 semt2102 semt2103 semt2104 specified link length l (km) 65 65 65 65 channel plan ntsc 80-ch pal 60-ch ntsc 110-ch pal 89-ch output power po (dbm) 6.0/ 6.0 6.0/ 6.0 6.0/ 6.0 6.0/ 6.0 min. noise bandwidth bw (mhz) 4 5 4 5 sbs suppression (dbm) 16.0 16.0 16.0 16.0 min. carrier to noise ratio cnr (db) 53.0/ 53.0 53.0/ 53.0 50.0/ 50.0 50.0/ 50.0 min. composite second order cso (dbc) -65/ -65 -65/ -65 -65/ -65 -65/ -65 max. composite triple beat ctb (dbc) -65 -65 -65 -65 max. @ +25 c composite triple beat ctb (dbc) -64 -64 -64 -64 max. @ 0 o c to 50 o c hemt property units models comments performance (note 1,2,3,4) hemt2101 hemt2102 specified link length l (km) 80 80 channel plan ntsc 80-ch pal 60-ch output power po (dbm) 6.0/ 6.0 6.0/ 6.0 min. noise bandwidth bw (mhz) 4 5 sbs suppression (dbm) 18.0 18.0 min. carrier to noise ratio cnr (db) 52.0/ 52.0 52.0/ 52.0 min. composite second order cso (dbc) -65/ -65 -65/ -65 max. composite triple beat ctb (dbc) -65 -65 max. @ +25 c composite triple beat ctb (dbc) -64 -64 max. @ 0 o c to 50 o c femt property units models comments performance (note 1,2,3,4) femt2101 femt2102 femt2103 femt2104 specified link length l (km) 20 20 20 20 channel plan ntsc 80-ch pal 60-ch ntsc 110-ch pal 89-ch output power po (dbm) 6.0/ 6.0 6.0/ 6.0 6.0/ 6.0 6.0/ 6.0 min. noise bandwidth bw (mhz) 4 5 4 5 sbs suppression (dbm) 20.0 20.0 20.0 20.0 min. carrier to noise ratio cnr (db) 48.0 tbd tbd tbd min. composite second order cso (dbc) -58 tbd tbd tbd max. composite triple beat ctb (dbc) -58 tbd tbd tbd max.
3of 5 ortel, a division of emcore 2015 west chestnut street a lhambra, california 91803-1542 tel: 626-293-3400 fax: 626-293-3428 www.emcore.com copyright 2003. emcore corporation data sheet | february 2006 xemt 2100 series 1550nm transmitter revision b notes : 1. unless stated otherwise all specifications apply over full temperature range. 2. unless stated otherwise specificati ons apply for nominal rf input level as def ined in section 4, after 5 minute stabilizat ion period. 3. specifications separated by a slash are port1 / port 2. 4. tested per test configuration table 5. noise figure for the edfa = 4.5 ~ 5.5 db 6. corning smf-28 single mode fiber 7. receiver responsivity is 0.95 ma/mw, equivalent noise current is 7 pa/(hz) 1/2 general and mechanical specifications property requirement comments wavelength 1555 +/-5 nm itu-grid available channel plan custom c hannel plans available optical connector sc/apc other styles available remote interface rs-232 custom interfaces available operating temperature 0 c to 50 c storage temperature -20 c to 70 c power consumption 50w max agency listings fcc: subpart b. part 15, class ?a? ce: en50083-2 transportation vibration gr-2853-core in shipping package transportation shock gr-2853-core in shipping package operating humidity 20% to 85% non-condensing supply range (vac) (vdc) 90 to 265 vac, 50/60 hz 36 ? 60 vdc standard optional enclosure 19.0?w x 15.32?d x 1.72?h property requirement comments input power range 17 +/-1 dbmv/ch 80 ntsc channels manual mode 15 +/-1 dbmv/ch 110 ntsc channels manual mode 18 +/-1 dbmv/ch 60 pal channels manual mode 16 +/-1 dbmv/ch 89 pal channels manual mode input power range 19 +/-2 dbmv/ch 80 ntsc channels cw mode 17 +/-2 dbmv/ch 110 ntsc channels cw mode 20 +/-2 dbmv/ch 60 pal channels cw mode 18 +/-2 dbmv/ch 89 pal channels cw mode front panel rf gain / omi adjustment range +2 / -4 db from nominal setting catv performance can vary slightly frequency range 45mhz ? 870mhz flatness +/- 0.50 db 45mhz - 550mhz +/- 0.75 db 45mhz - 870mhz input impedance 75 ? input return loss 16db min 45mhz - 870mhz front panel rf tap -20 +/- 1 db down from rf input front panel rf tap flatness +/- 1 db 45mhz - 870mhz
4of 5 ortel, a division of emcore 2015 west chestnut street a lhambra, california 91803-1542 tel: 626-293-3400 fax: 626-293-3428 www.emcore.com copyright 2003. emcore corporation data sheet | february 2006 xemt 2100 series 1550nm transmitter revision b test/link configuration property edfa link 1 received power 2 demt none 40 km 0.0 dbm at the receiver semt 16 dbm 65 km 0.0 dbm at the receiver hemt 18 dbm 80 km 0.0 dbm at the receiver femt 20 dbm 20 km -5.5 dbm at the receiver notes: 1. corning smf-28 single mode fiber (0.2db/km loss assumed) 2. receiver responsivity is 0.95 ma/mw, equivalent noise current is 7 pa/(hz) 1/2 outline drawing
5of 5 ortel, a division of emcore 2015 west chestnut street a lhambra, california 91803-1542 tel: 626-293-3400 fax: 626-293-3428 www.emcore.com copyright 2003. emcore corporation data sheet | february 2006 xemt 2100 series 1550nm transmitter revision b laser safety information caution ? use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous laser exposure. caution - invisible laser energy is pres ent at the output(s) of t he optical connectors. avoid direct exposure to the beam. laser output is invisi ble and eye damage may result. caution - do not attempt to open any optical connections with the laser enabled. laser power up to 17.5 mw at approximately 1550 nm could be accessible with optical connectors open. one or both of the following precautionary labels can be f ound on the fiber optic connector bulkhead assembly located at the rear of the transmitter. ordering information emt210 - - - model type channel plan wavelength connectors option voltage supply d - short link 1 ? ntsc 80-ch blank ? 1555+/-5 nm sc - sc/apc 1 ? vac s - medium link 2 ? pal 60-ch xx ? itu channel fc - fc/apc 2 ? vdc h - long link 3 ? ntsc 110-ch ec - e2000/apc diamond f - fttx 4 ? pal 89-ch tc - sc/upc gc - fc/upc example: semt2101-35-sc-1 : medium link transmitter with 80 ntsc channel loading, itu 35, sc/apc optical connector, and ac power danger invisible laser radiation when open avoid direct exposure to beam disconnected optical connector may emit invisible optical energy do not view with optical instruments caution
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