1 21737-0400, rev. o 2-7-2002 stx / srx sonet/sdh transmitters & receivers features ! fully compliant with sonet/sdh oc-1 to oc-24 (52 mb/s, 156 mb/s, 622 mb/s & 1.25 gb/s) specifications ! long reach 1310 nm (40 km distance), long reach 1550 nm (80 km distance) as well as intermediate reach (15 km) ! eye safe (class i laser safety) ! - 40c to +85c operating temperature (option ?a?) ! multi-sourced 20-pin dip metal package ! fc, st, lc, mu, sc-connectorized fiber pigtails or integral fc , sc or st connector receptacle the stx and srx modules are laser transmitters and receivers designed to meet or exceed the sonet/sdh optical interface requirements at oc-1 (52 mb/s), oc-3/stm-1 (155 mb/s), oc-12/stm-4 (622 mb/s), and oc-24 (1.25 gb/s) data rates. many performance versions are available which are fully compliant with intermediate reach and long reach specifications at 1300 nm or 1550 nm wavelength. all modules satisfy class i laser safety requirements in accordance with the us fda/cdrh and international iec-825 standards. the transmitter features an automatic power control (apc) circuit to maintain the optical output power at a constant level against variations in ambient temperature and device aging. a laser disable control input is also provided. the laser bias current and back-facet light output can also be monitored. the receiver features a low noise gaas transimpedance ic with agc capability to provide an extremely wide dynamic range. a signal detect function which indicates loss of optical input is also provided. the transmitter can be operated with a single supply, either +5 v or - 5 v. the receiver can be operated with dual +5 v and - 5 v supply, or single +5 v supply, or single - 5 v supply. the electrical interface signals are differential ecl or pecl. if ttl interfaces for signal detect outputs are required, the srx- 12-l receivers can be used (please refer to the srx-12-l data sheet). both modules operate over an operating temperature range of 0c to +70c (?b? option) or -40c to +85c (?a? option). they are housed in a 20-pin dual-in-line metal package with integral st, fc or sc connector receptacle or fiber pigtail (single mode fiber for the transmitter and 50 m multimode fiber for the receiver). the fiber pigtail is terminated with st, fc, lc, mu or sc connector. description optical communication products, inc. absolute maximum ratings parameter symbol minimum maximum units storage temperature t st - 40 + 85 c operating temperature "a" option t op - 40 + 85 c "b" option 0 + 70 operating & storage humidity - -85% supply voltage v cc - v ee 0+ 6.0v input voltage (to transmitter) v in v ee v cc v lead soldering temperature & time - -260c, 10 sec ocp ?
2 21737-0400, rev. o 2-7-2002 transmitter performance characteristics (over operating case temperature) receiver performance characteristics (over operating case temperature) oc-1 transmitter & receiver: stx-01 & srx-01 package style pfc: pigtailed with fc psc: pigtailed with sc pst: pigtailed with st plc: pigtailed with lc pmu: pigtailed with mu fc : fc receptacle st : st receptacle sc : sc receptacle model stx: transmitter srx: receiver ordering information s x x - 01 - yyy -t- ln - dr distance option (tx only) specifies the range for center wavelength & spectral width to be compliant with sonet/sdh standard ?blank? : intermediate reach lr1 : long reach 1310 nm lr2 : long reach 1550 nm light output (tx only) hp: 0 dbm (typ.) l0: - 3 dbm (typ.) l1: - 5 dbm (typ.) l2: - 8 dbm (typ.) l3: - 11 dbm (typ.) notes 1. for full compliance with oc-1 intermediate reach standard, the stx-01- yyy -a-l3 & stx-01- yyy -b-l3 are recommended. 2. for full compliance with oc-1 long reach 1310 nm standard, the stx-01- yyy -a-l0-lr1 & stx-01- yyy -b-l0-lr1 are recommended. the stx-01- yyy -a-l0-lr1 uses a dfb laser to satisfy the - 40c to +85c requirement for center wavelength. 3. for full compliance with oc-1 long reach 1550 nm standard, the stx-01- yyy -a-l0-lr2 & stx-01- yyy -b-l0-lr2 are recommended. both modules use dfb lasers. however, the stx-01- yyy -a-l0-lr2 module is specified only over - 25c to +70c temperature range. 4. the lr1 (-40c to +85c) and lr2 options are only available with dfb lasers and l0 or hp optical power levels. temperature range a: - 40c to +85c b: 0c to +70c parameter symbol minimum typical maximum units data rate b 5 52 100 mb/s receiver sensitivity (10 -10 ber) 1 p min - 40.0 - 42.0 - dbm maximum input optical power (10 -10 ber) 1 dual supply p max - 3.0 0 - dbm single supply - 6.0 0 - signal detect thresholds increasing light input p sd+ - - - 40.0 dbm decreasing light input p sd- - 50.0 - - signal detect hysteresis - 0.5 1.5 - db wavelength of operation 1100 - 1600 nm 1 specified in average optical input power and measured at 52 mb/s and 1300 nm wavelength with 2 23 -1 prbs. parameter symbol minimum typical maximum units data rate b 5 52 100 mb/s average optical output power (coupled into single mode fiber), 50% duty cycle hp p o - 3.0 0 +2.0 dbm l0 - 5.0 - 3.0 0 l1 - 8.0 - 5.0 - 2.0 l2 - 12.0 - 8.0 - 5.0 l3 - 15.0 - 11.0 - 8.0 extinction ratio p hi / p lo 10 - - db center wavelength ir (intermediate reach) c 1261 1310 1360 nm lr1 (long reach 1310 nm) 1280 1310 1335 lr2 (long reach 1550 nm) 1480 1550 1580 spectral width (rms) lr1 (0c to 70c) & ir ? rms --4 nm spectral width (-20 db) lr1 (-40c to 85c) & lr2 ? 20 --1 side mode suppression ratio lr1 (-40c to 85c) & lr2 smsr 30 - - db optical rise and fall time (10% to 90%) t r , t f -24ns optical output eye compliant with bellcore tr-nwt-000253 and itu-t recommendation g.957
3 21737-0400, rev. o 2-7-2002 model stx: transmitter srx: receiver transmitter performance characteristics (over operating case temperature) receiver performance characteristics (over operating case temperature) ordering information s x x - 03 - yyy -t- ln - dr distance option (tx only) specifies the range for center wavelength & spectral width to be compliant with sonet/sdh standard ?blank? : intermediate reach / s-1.1 lr1 : long reach 1310 nm / l-1.1 lr2 : long reach 1550 nm / l-1.2 light output (tx only) hp: 0 dbm (typ.) l0: - 3 dbm (typ.) l1: - 5 dbm (typ.) l2: - 8 dbm (typ.) l3: - 11 dbm (typ.) oc-3/stm-1 transmitter & receiver: stx-03 & srx-03 temperature range a: - 40c to +85c b: 0c to +70c parameter symbol minimum typical maximum units data rate b 50 156 200 mb/s receiver sensitivity (10 -10 ber) 1 p min - 35.0 - 38.0 - dbm maximum input optical power (10 -10 ber) 1 dual supply p max - 3.0 0 - dbm single supply - 6.0 0 - signal detect thresholds increasing light input p sd+ - - - 35.0 dbm decreasing light input p sd- - 45.0 - - signal detect hysteresis - 0.5 1.5 - db wavelength of operation 1100 - 1600 nm 1 specified in average optical input power and measured at 156 mb/s and 1300 nm wavelength with 2 23 -1 prbs. parameter symbol minimum typical maximum units data rate b 50 156 300 mb/s average optical output power (coupled into single mode fiber), 50% duty cycle hp p o - 3.0 0 +2.0 dbm l0 - 5.0 - 3.0 0 l1 - 8.0 - 5.0 - 2.0 l2 - 12.0 - 8.0 - 5.0 l3 - 15.0 - 11.0 - 8.0 extinction ratio p hi / p lo 10 - - db center wavelength ir (intermediate reach) c 1261 1310 1360 nm lr1 (long reach 1310 nm) 1280 1310 1335 lr2 (long reach 1550 nm) 1480 1550 1580 spectral width (rms) lr1 (0c to 70c) & ir ? rms --4 nm spectral width (-20 db) lr1 (-40c to 85c) & lr2 ? 20 --1 side mode suppression ratio lr1 (-40c to 85c) & lr2 smsr 30 - - db optical rise and fall time (10% to 90%) t r , t f -12ns optical output eye compliant with bellcore tr-nwt-000253 and itu-t recommendation g.957 notes 1. for full compliance with oc-3/stm-1 intermediate reach/s-1.1 standard, the stx-03- yyy - t- l3 modules are recommended. 2. for full compliance with oc-3/stm-1 long reach 1310 nm/l-1.1 standard, the stx-03- yyy -a-l0-lr1 & stx-03- yyy -b- l0-lr1 are recommended. the stx-01- yyy -a-l0-lr1 uses a dfb laser to satisfy the center wavelength requirement. 3. for full compliance with oc-3/stm-1 long reach 1550 nm/l-1.2 standard, the stx-03- yyy -a-l0-lr2 & stx-03- yyy -b- l0-lr2 are recommended. both modules use dfb lasers. however, the stx-03- yyy -a-l0-lr2 module is specified only over - 25c to +70c temperature range. please consult ocp sales for the - 40c to +70c pigtailed option. 4. the lr1 (-40c to +85c) and lr2 options are only available with dfb lasers and l0 or hp optical power levels. package style pfc: pigtailed with fc psc: pigtailed with sc pst: pigtailed with st plc: pigtailed with lc pmu: pigtailed with mu fc : fc receptacle st : st receptacle sc : sc receptacle
4 21737-0400, rev. o 2-7-2002 notes 1. for full compliance with oc-12/stm-4 intermediate reach/s-4.1 standard, the stx-12- yyy - t- l3-ir modules are recommended. 2. for full compliance with oc-12/stm-4 long reach 1310 nm/l-4.1 standard, the stx-12- yyy-t -hp-lr1 modules are recommended. they use dfb lasers to satisfy the center wavelength and spectral width requirement. 3. for full compliance with oc-12/stm-4 long reach 1550 nm/l-4.2 standard, the stx-12- yyy - t -hp-lr2 modules are recommended. both modules use dfb lasers. however, the stx-12- yyy -a-hp-lr2 module is specified only over - 25c to +70c temperature range. please consult ocp sales for the - 40c to +70c pigtailed option. 4. the lr1 and lr2 options are only available with dfb lasers and l0 or hp optical power levels. ordering information s x x - 12 - yyy -t- ln - dr transmitter performance characteristics (over operating case temperature) receiver performance characteristics (over operating case temperature) model stx: transmitter srx: receiver distance option (tx only) specifies the range for center wavelength & spectral width to be compliant with sonet/sdh standard ?blank?: short reach (sr) ir :intermediate reach / s-4.1 lr1 : long reach 1310 nm / l-4.1 lr2 : long reach 1550 nm / l-4.2 light output (tx only) hp: 0 dbm (typ.) l0: - 3 dbm (typ.) l1: - 5 dbm (typ.) l2: - 8 dbm (typ.) l3: - 11 dbm (typ.) oc-12/stm-4 transmitter & receiver: stx-12 & srx-12 parameter symbol minimum typical maximum units data rate b 50 622 700 mb/s receiver sensitivity (10 -10 ber) 1 p min - 29.0 - 31.0 - dbm maximum input optical power (10 -10 ber) 1 dual supply p max - 3.0 0 - dbm single supply - 6.0 0 - signal detect thresholds increasing light input p sd+ -- - 29.0 dbm decreasing light input p sd- - 40.0 - - signal detect hysteresis - 0.5 1.5 - db wavelength of operation 1100 - 1600 nm 1 specified in average optical input power and measured at 622 mb/s and 1300 nm wavelength with 2 23 -1 prbs. temperature range a: - 40c to +85c b: 0c to +70c parameter symbol minimum typical maximum units data rate b 50 622 700 mb/s average optical output power (coupled into single mode fiber), 50% duty cycle hp p o - 3.0 0 +2.0 dbm l0 - 5.0 - 3.0 0 l1 - 8.0 - 5.0 - 2.0 l2 - 12.0 - 8.0 - 5.0 l3 - 15.0 - 11.0 - 8.0 extinction ratio sr & ir p hi / p lo 8.2 - - db lr1 & lr2 10 - - center wavelength 1 sr (short reach) c 1261 1310 1360 nm ir (intermediate reach) 1274 1310 1356 1293 1310 1334 lr1 (long reach 1310 nm) 1280 1310 1335 lr2 (long reach 1550 nm) 1480 1550 1580 spectral width (rms) 1 sr (short reach) ? rms --4.0 nm ir (intermediate reach) --2.5 --4.0 spectral width (-20 db) lr1 & lr2 ? 20 --1.0 side mode suppression ratio lr1 & lr2 smsr 30 - - db optical rise and fall time (10% to 90%) t r , t f -0.51.0ns optical output eye compliant with bellcore tr-nwt-000253 and itu-t recommendation g.957 1 for intermediate reach version, the center wavelength is either 1274 nm c 1356 nm for ? rms 2.5 nm or 1293 nm c 1334 nm for ? rms 4.0 nm. package style pfc: pigtailed with fc psc: pigtailed with sc pst: pigtailed with st plc: pigtailed with lc pmu: pigtailed with mu fc : fc receptacle st : st receptacle sc : sc receptacle
5 21737-0400, rev. o 2-7-2002 ordering information s x x - 24 - yyy -t- ln - dr transmitter performance characteristics (over operating case temperature) receiver performance characteristics (over operating case temperature) oc-24 transmitter & receiver: stx-24 & srx-24 model stx: transmitter srx: receiver distance option (tx only) specifies the range for center wavelength & spectral width to be compliant with sonet/sdh standard ?blank?: short reach (sr) ir :intermediate reach lr1 : long reach 1310 nm lr2 : long reach 1550 nm light output (tx only) hp: 0 dbm (typ.) l0: - 3 dbm (typ.) l1: - 5 dbm (typ.) l2: - 8 dbm (typ.) l3: - 11 dbm (typ.) notes 1. the stx-24- yyy -a-l2 & stx-24- yyy -b-l2 are fully compliant with oc-24 short reach standard. 2. the stx-24- yyy -a-l0-ir & stx-24- yyy -b-l0-ir are fully compliant with oc-24 intermediate reach standard. the stx-24- yyy -a-l0-lr1 & stx-24- yyy -b-l0-lr1 are fully compliant with oc-24 long reach 1310 nm standard. the stx-24- yyy -a-l0-lr2 & stx-24- yyy -b-l0-lr2 are fully compliant with oc-24 long reach 1550 nm standard. they all use dfb lasers. in addition, the stx-24- yyy -a-l0-lr2 module is specified only over - 25c to +70c temperature range. 3. the ir option is available only with dfb lasers and l0 or hp optical power levels. 4. the lr1 and lr2 options are available only with dfb lasers and l0 or hp optical power levels. 5. the srx-24 receiver is only specified for the short reach & intermediate reach standard. the long reach version is not avail able yet. temperature range a: - 40c to +85c b: 0c to +70c parameter symbol minimum typical maximum units data rate b 5 1250 1500 mb/s receiver sensitivity (10 -10 ber) 1 p min - 22.0 - 26.0 - dbm maximum input optical power (10 -10 ber) 1 dual supply p max 0+2 - dbm single supply - 5.0 0 - signal detect thresholds increasing light input p sd+ -- - 22.0 dbm decreasing light input p sd- - 35.0 - - signal detect hysteresis - 0.5 1.5 - db wavelength of operation 1100 - 1600 nm 1 specified in average optical input power and measured at 1250 mb/s and 1300 nm wavelength with 2 23 -1 prbs. parameter symbol minimum typical maximum units data rate b 50 1250 1500 mb/s average optical output power (coupled into single mode fiber), 50% duty cycle hp p o - 3.0 0 +2.0 dbm l0 1 - 5.0 - 3.0 0 l1 - 8.0 - 5.0 - 2.0 l2 - 12.0 - 8.0 - 5.0 l3 - 15.0 - 11.0 - 8.0 extinction ratio sr & ir p hi / p lo 8.2 - - db lr1 & lr2 10 - - center wavelength 2 sr (short reach) & ir (intermediate reach) c 1261 1310 1360 nm lr1 (long reach 1310 nm) 1280 1310 1335 lr2 (long reach 1550 nm) 1480 1550 1580 spectral width (rms) 2 sr (short reach) ? rms --4.0 nm spectral width (-20 db) ir (intermediate reach) ? 20 --1.0 lr1 & lr2 - - 1.0 side mode suppression ratio lr1 & lr2 smsr 30 - - db optical rise and fall time (10% to 90%) t r , t f -0.30.5ns optical output eye compliant with bellcore tr-nwt-000253 1 the power specifications for the l0 version for lr2 is - 4.0 dbm min. and +1 dbm. max. package style pfc: pigtailed with fc psc: pigtailed with sc pst: pigtailed with st plc: pigtailed with lc pmu: pigtailed with mu fc : fc receptacle st : st receptacle sc : sc receptacle
6 21737-0400, rev. o 2-7-2002 transmitter electrical interface receiver electrical interface transmitter : when the data+ input is at logic high and data- input is at logic low, the ld is on; and vice versa. in single-ended applications, the unused input pin should be biased to v cc - 1.29 v. the transmitter is normally enabled (i.e. when the disable control input is not connected). when the disable control input voltage is higher than v cc - 2 v, the laser is disabled (less than -30dbm output power) independent of the input data. receiver : both differential data+ and data- outputs are pecl/ecl levels requiring termination (50 ohms to v cc - 2 volts or 510 ohms to v ee is recommended). for optimum performance, both outputs should be terminated in the same manner, even if only one is used. stx / srx application notes pin assignments (top view) the signal detect circuit monitors the level of the incoming optical signal and generates a logic low signal when insufficient photocurrent is produced. the signal detect outputs are pecl/ecl level requiring termination (510 ohms to v ee is recommended). if ttl interfaces for signal detect outputs are required, the srx-12-l receivers can be used. laser safety : all transmitters are class i laser products per fda/cdrh and iec-825 standards. they must be operated under specified operating conditions. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 case bias monitor + n/c v v transmit disable n/c ee cc bias monitor - v v cc cc case facet monitor + facet data+ data - n/c v monitor - v case v cc ee cc transmitter 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 case n/c n/c n/c n/c v data+ ee v data - v ee pd case n/c n/c n/c n/c signal detect - case signal detect+ v cc v ee receiver n/c: no internal connection parameter symbol minimum typical maximum units supply voltage 1 v cc - v ee 4.75 5.0 5.5 v supply current receptacled-dfb i -90150 ma all others - 70 130 input high voltage v ih v cc - 1.165 - v cc - 0.880 v input low voltage v il v cc - 1.810 - v cc - 1.475 v transmitter disable voltage v dis v cc - 2.0 - v cc v transmitter enable voltage v en v ee - v ee + 0.8 v differential bias monitor voltage at 25c v bm,dif - 80 120 mv at 85c - 280 500 differential back facet monitor voltage v fm,dif 20 100 200 mv 1 for - 5v single supply, connect v cc to 0v (circuit ground) and v ee to - 5v. for +5v single supply, connect v cc to +5v and v ee to 0v (circuit ground). case is always connected to circuit ground. parameter symbol minimum typical maximum units supply voltage 1 v cc - v ee 4.75 5.0 5.5 v v pd - 10.0 - 5.0 - 2.0 v supply current i -85120ma output high voltage v oh v cc - 1.06 - v cc - 0.85 v output low voltage v ol v cc - 1.86 - v cc - 1.59 v 1 for +5v & - 5v dual supply: v cc = +5v, v ee = case = 0v (circuit ground) and v pd = - 5v. for +5v single supply : v cc = +5v and v ee = v pd = case = 0v (circuit ground). for - 5v single supply : v cc = case = 0v (circuit ground) and v ee = v pd = - 5v. case is always connected to circuit ground. optical communication products, inc. date of manufacture: manufactured in the usa this product complies with 21 cfr 1040.10 and 1040.11 meets class i laser safety requirements
7 21737-0400, rev. o 2-7-2002 st receptacled transmitter package dimension in inches fc receptacled transmitter package dimension in inches for fabry-perot laser transmitters, only the top configuration is applicable. for dfb laser transmitters, both configurations are applicable. dimension in inches pigtailed transmitter package stx / srx the pigtail length from the package edge is 1.0 meter minimum, 1.1 meter typical.
8 21737-0400, rev. o 2-7-2002 stx / srx dimension in inches dimension in inches the pigtail length from the package edge is 1.0 meter minimum, 1.1 meter typical. pigtailed receiver package st receptacled receiver package dimension in inches fc receptacled receiver package dimension in inches sc receptacled transmitter & receiver package optical communication products, inc. reserves the right to make changes in equipment design or specifications without notice. i nformation supplied by optical communication products, inc. is believed to be accurate and reliable. however, no responsibility is assumed by optical communication products , inc. for its use nor for any infringements of third parties which may result from its use. no license is granted by implication or otherwise under any patent right of optical comm unication products, inc. optical communication products, inc. 20961 knapp street, chatsworth, ca 91311, tel.: 818-701-0164, fax: 818-701-1468, http://www.ocp-inc.com
9 21737-0400, rev. o 2-7-2002 contents description .................................................................................................................... ............... 1 absolute maximum ratings ....................................................................................................... 1 oc-1 transmitter & receiver: stx-01 & srx-01 .............................................. 2 oc-3/stm-1 transmitter & receiver: stx-03 & srx-03.................................3 oc-12/stm-4 transmitter & receiver: stx-12 & srx-12...............................4 oc-24 transmitter & receiver: stx-24 & srx-24 ............................................5 transmitter electrical interface ............................................................................................... .6 receiver electrical interface .................................................................................................. .... 6 application notes .............................................................................................................. ........... 6 pin assignments (top view) ..................................................................................................... .. 6 pigtailed transmitter package .................................................................................................. .............. 7 st receptacled transmitter package............................................................................................. ........ 7 fc receptacled transmitter package ............................................................................................. ....... 7 pigtailed receiver package ..................................................................................................... ................. 8 fc receptacled receiver package ................................................................................................ .......... 8 st receptacled receiver package ................................................................................................ ........... 8 sc receptacled transmitter & receiver package ................................................................................ 8
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