laserlite model ot-1000-hh 1ghz supermod 1550nm optical transmitter rev x3 all specifications subject to change without notice jan. 2009 24926 highway 108 sierra village, ca 95346 phone: (800) 545-1022 fax: (209) 586-1026 e-mail: sales @olsontech.com low noise supermod (direct mod) 1550nm dfb transmitter with pre- distortion technology; dwdm variants available. optical output of +8dbm dual rf inputs: low and high level inputs or optional narrowcast input with high isolation. preset or optional adjustment of slope, gain, output power, omi, pre-chirping, etc. electrical to optical conversion of multichannel catv signals. 1ru 19? eia rack mount chassis. sc/apc optical connector; rs485 control interface. automatic load control (alc) for constant omi . totrms supports am-vsb, fm, 8-vsb and qam catv signals. available rf bandwidth of 5- 1,000mhz for catv digital multi- channel transport. downstream or upstream trans- mission in hfc networks. advanced sbs suppression and pre-chirping technology. the olson technology, inc. model ot-1000-hh 1ghz supermod (direct mod) 1550nm optical transmitter is a cost- effective, high quality, full-featured 1ru 19" optical transmitter. designed for optical transport of forward path analog, return path and digital qam broadcast signals, the ot-1000-hh trans- mitter is ideal for catv hybrid fiber coax (hfc) applications and fiber-to-the-premise (fttp) deployments using active/passive optical network (aon/pon) architectures. the model ot-1000-hh transmitter utilizes a high-quality, dfb, low-chirp, optically isolated dwdm laser that uses advanced pre- distortion, sbs and pre-chirping technology to provide excellent signal quality. often referred to as a direct mod 1550 nm trans- mitter, the ot-1000-hh supermod transmitter approaches external modulator performance levels at distances from 0 to 20km at a substantially lower cost. the transmitter operates in the itu-grid wavelength with adjustable wavelength to 100ghz when used with the network controller. the network controller can control a wide range of transmitter parameters. the ot-1000-hh provides exterior rf and optical connections and test points. these are the perfect companion to olson technology?s otea-co, oteb-co and otea-cm series edfa?s and the model otmn-x and model otpn-x product families, but is also designed to operate seamlessly with optical receivers and/or nodes from most leading manufacturers. laserlite laserlite metronode premisenode 14db 20db primary ac/dc p.s. bc in out tp2 tp1 rs485 power in bc in/high model ot-1000-hh - block diagram very high-quality transmission from 0-20km. usable to 35km. micro-controller pre-distortion coupler coupler coupler amplifier laser rf (ac) laser mon (dc)
system specifications rev x3 all specifications subject to change without notice jan. 2009 min typ max units power supply voltage +100 +240 v power supply voltage +36 +60 v power supply frequency 50 60 hz power consumption 17 w environmental cond. class 3.1 acc. ets 300 019-1-3 (temp. controlled) safety cond. en 50 083-1 en 60 950 laser class 1m acc, iec 60 825-1 emc cond. en 50 83-2 ac dc system specifications electrical and environmental characteristics min typ max units optical output pwr. +7 +8 +9 dbm optical output pwr. adj. -3 0 db output pwr. tolerance -1.5 +1.5 db optical wavelength tuning -100 +100 ghz chirp compensation distance 0 20 km sbs suppression +15 dbm optical return loss 45 db optical connector sc/apc wavelength dwdm 1 3 3 4,5 1 optical characteristics (with sm 9/125m fiber) min typ max units frequency range 5 1,000 mhz input impedance 75 ohms input level (omi 5%, bc ) 13 dbmv input level (omi 5%, bc ) 27 dbmv gain adjustment -17 7 db slope adjustment -3 +16 db rf return loss (@47mhz) 20 db rf return loss (@5-65mhz) 18 db in in/high 3 3 2 rf characteristics physical characteristics min typ max units weight 4.4 lbs. 2kg dimensions(wxhxd) 19x9.5x1.75 in. 483x240x45 mm ordering information transmission performance data test points model ot-1000-hhcxx-yy-z tx, 5-1000mhz, +8dbm output, dwdm, 75 laserlite , sc/apc channel allocation plan ?c? ?b? ?n? number of carriers/plan cenelec (42) pal b/g (36) ntsc (77) optical modulation index 4.1% 4.4% 3.0% noise bandwidth 5mhz 5mhz 4mhz cnr 51db 52db 51db >>> cso 60dbc 60dbc 60dbc ctb 62dbc 64dbc 63dbc 1, 2 3 1, 2 >>> >>> test point tp1 20db attenuation of rf input test point tp2 dual readings - +20dbmv+2 p 2.0db at omi=5% (ac) / 0.1v/mw 0.02v/mw (dc) opt notes: 1) c indicates the channel allocation plan. (see above). c, b or n 2) xx indicates the itu channel. channels 22-46. order 34 for std 1550nm. 3) yy is the factory set dispersion compensation distance in km. for example, 15 indicates that the unit is optimized for 15km distance. 4) z indicates the power supply. a for ac power, d for dc power. notes: 1) output power tolerance is 1db at transmitter pigtail. 2) rf return loss is 20db at 47mhz, 1.5db/oct, min. 15db. 3) these adjustments are made through the nec-e controller 4) the chirp compensation distance can be set through the optional nec- e controller or the unit may be ordered with a preset distance. 5) the chirp compensation can be set as high as 35km with reduced performance. contact factory for details. test conditions: 1) 20km non-dispersion shifted fiber, optical attenuator and optical receiver with p =0dbm, i =7.0pa/ p =0dbm, i =7.0pa/ optin eq optin eq hz and =0.95a/w (at 1550nm) used. 2) non-dispersion shifted fiber, 0-20km, optical attenuator and optical receiver with hz and =0.95a/w used and fiber length (chirp) compensation adjustment set to optimum. 3) only for measured frequencies up to 600mhz. otherwise the cso value is 6db lower.
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