description these integrated modules are intended for use in single channel transmission with pre-amplifier edfa in combination with an optical filter. the receiver contains an in-house iii-v apd (avalanche photodiode) detector with preamplifier in a front-end module, a main amplifier asic, a clock and data recovery function with accurate decision circuit. the modules are housed in a space-saving 30-pin package, providing the same electrical access for overall applications. the alcatel 1916 sdh family is a range of transmitter and receiver modules, providing convenient and flexible optical interfaces for sdh / sonet systems operating at 2.488 gbit/s & 2.666 gbit/s and exceeds the applicable itu-t g.957, itu-t g.783, itu-t g.692 and bellcore gr-253 standards. features ? bit rate 2.488 gbit/s & 2.666 gbit/s (fec) ? sensitivity with preamplifier - 41 dbm ? operating at 1.5 m wavelength ? full performance in operating case temperature from 0 to + 70 c ? low power consumption ? small size less than 100 cm 2 ? data reshaping ? clock recovery & data retiming ? convenient digital alarms to minimize external circuitry ? analog information for flexible integration ? common pin-out for all modules ? alcatel reliability and qualification program for built in quality applications used in transmission systems from medium to high-speed for intermediate-reach to long-reach applications, the alcatel 1900 sdh family operates at sonet oc-3, oc-12 and oc-48 rates as well as at itu-t sdh rates of stm-1, stm-4 and stm-16. covering all types of sdh / sonet optical interfaces (tributaries and aggregates) the alcatel 1900 sdh modules are suitable for line systems, add drop multiplexers and digital cross-connects as well as atm switches. as part of the alcatel 1900 sdh family, the alcatel 1916 sdh module is suited for all types of stm-16 (short- haul, long-haul, very-long-haul and ultra-long-haul) and oc-48 (intermediate-reach, long-reach and ultra-long-reach) optical interfaces. these modules ensure ease of use and offer new flexibility to system designers. a lcatel 1916 sdh sdh / sonet integrated modules receiver stm-16 / oc-48 with preamplifier edfa
optical characteristics parameter condition symbol min typical max unit bit rate note 1 2.448 or 2.666 gbit/s center wavelength c 1545 1562 nm receiver sensitivity of edfa r edfa - 41 - 38 dbm receiver sensitivity of receiver r rx -20 - 14 dbm return loss at module r ross 27 db note 1: transmitter with er min > 12.5 db with chirp compatible with the dispersion and fiber, preamplifier edfa with noise factor > 4.5 db and optical filter with 3 db bandwidth < 0.5 nm. all parameters are specified end-of-life within the overall relevant operating temperature range. the typical values are referenced to + 25 c, nominal power supply, beginning of life. electrical characteristics parameter condition symbol min typical max unit positive supply voltage v cc + 4.75 5 + 5.25 v positive supply current i cc + 380 + 510 ma negative supply voltage v ee - 5.45 - 5.2 - 4.94 v negative supply current i ee - 400 - 340 ma power consumption pc 4.9 w ecl output data & clock voltage note 2 dv 0.5 0.7 0.9 vpp logic high level output isrc=-150 a v oh 3.5 4.7 v logic low level output isink < 4 ma v ol 0.2 0.44 v alarm activation level note 3 a ac 10 -3 alarm desactivation level note 3 a de 10 -4 alarm activation time t ac 95 s alarm deactivation time t de 50 ms note 2 : internally ac coupled and externally loaded by 50 ? . note 3 : input power sensitivity is considered at connector interface and related to ber with s/n > 25 db / 0.1 nm. all parameters are specified end-of-life within the overall relevant operating temperature range. the typical values are referenced to + 25 c, nominal power supply, beginning of life. absolute maximum ratings parameter symbol min max unit maximum optical input power - 5 dbm positive supply voltage v cc 0+ 6 v negative supply voltage v ee - 6 0 v output current - 50 0 mapp alarm output voltage 0 v cc v alarm output current - 0.5 + 20 ma storage temperature tstg - 25 + 70 c storage 72h max - 40 + 70 operating temperature top 0 + 70 c
outline drawing pin out n symb description n symb description 1 gnd ground (0 v) 2 gnd ground (0 v) 3 vcc positive power supply 4 vcc positive power supply 5 vcc positive power supply 6 vcc positive power supply 7 gnd ground (0 v) 8 gnd ground (0 v) 9 vee negative power supply 10 vee negative power supply 11 vee negative power supply 12 vee negative power supply 13 gnd ground (0 v) 14 gnd ground (0 v ) 15 nuc no user connection 16 nuc no user connection 17 nuc no user connection 18 los loss of optical signal 19 nuc no user connection 20 nuc no user connection 21 dta decision threshold adjustment 22 oil optical input level 23 nuc no user connection 24 nuc no user connection 25 gnd ground (0 v) 26 gnd ground (0 v) 27 gnd ground (0 v) 28 gnd ground (0 v) 29 gnd ground (0 v) 30 gnd ground (0 v) system block diagram data clock decision circuit preamplifier clock recovery power regulation g nd v ee v cc agc high voltage circuit los dta oil analog convertion pin description data serial retimed data output true. ac coupled with 50 ? = external load capability. a high electrical level corresponds to a high optical level. _____ data serial retimed data output false. ac coupled with 50 ? = external load capability. a high electrical level corresponds to a low optical level. clock serial recovered clock output true. ac coupled with 50 ? = external load capability. the falling edge is in the middle of the data pattern. ______ clock serial recovered clock output false. ac coupled with 50 external load capability. the rising edge is in the middle of the data pattern. dta decision threshold adjustment: input analog voltage that allows optimization of the sensitivity around the factory setting. when dta is opened the factory setting is the default value. los loss of optical signal : set when the incoming optical power level cross the alarm threshold. an hysteresis is provided. open collector with internal pull-up. the active level corresponds to a 0 v voltage output level. oil optical input level : analog information, proportional to the optical input signal. nuc no user connection : this lead must be left open.
ordering information alcatel 1916 sdh bit rate (mbit/s) part number 2.448 3cn 00217 ca 2.666 3cn 00217 fa options 3cn xxxxx xa fc/pc xb sc/pc november 2000 copyright ? 2000 alcatel optronics customized versions are available for large quantities. performance figures contained in this document must be specifically confirmed in writing by alcatel optronics before they become applicable to any particular order or contract. alcatel optronics reserves the right to make changes to the products or information contained herein without notice. standards compliant with itu-t g.957 & g.783 & g.691 optical fiber according to itu-t g.652 environment according to iec 68-2 and mil std 883 bellcore tr-eop-000063 bellcore gr-253-core attention observe precautions for handling electrostatic discharge sensitive devices europe route de ville just f-91625 nozay cedex tel : (+33) 1 64 49 49 10 fax : (+33) 1 64 49 49 61 usa 12030 sunrise valley drive reston - va 22091-3495 tel : (+1) 703 715 3921 fax : (+1) 703 860 1183 canada 45, de villebois, suite 200 gatineau (pq) canada, j8t 8j7 tel : (+1) 819 243 3755 fax : (+1) 819 243 3354 japan yebisu garden place tower po box 5024 20-3, ebisu 4 - chome shibuya - ku tokyo 150 - 6028 tel : (+81) 3 5424 85 65 fax : (+81) 3 5424 85 81
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