communications modules & subsystems key features ? msa compliant frequency shift keying (fsk) tone detection option allows control and status monitoring of the network 1310 nm or 1550 nm operation data rates from 45 mb/s to 2.7 gb/s (no cdr) apd for better than -30 dbm sensitivity -40 c to 85 c operation decision threshold voltage adjustment provided for use in amplified system the jdsu 54rm 2r series receiver module is designed for use in telecommunications systems and high speed data communications applications. this flexible device incorporates frequency shift keying (fsk) tone detection. when used with the companion fsk transmitter, the 54rm provides control and status of a network with no additional fiber required. its uniform package, pin function, and common optical and electr ical characteristics are multisource agreement (msa) compliant. the 54rm 2r receiver module design uses an indium gallium arsenide (ingaas) avalanche photodiode (apd) detector. it does not include a clock/data recovery (cdr) function, thus allowing additional system design flexibility. it contains an integrated apd high voltage supply that is temperature-compensated at our factory for optimum sensitivity. the 54rm 2r receiver module operates at continuous rates from 45 mb/s to 2.7 gb/s without gap and provides options for current mode logic (cml) or lvpecl outputs. the 54rm receiver also features an optical input level voltage (oilv) monitor with 1db accuracy and decision threshold voltage (dtv) adjustment. applications ? high speed, long haul fiberoptic links for voice, data, and digital video metropolitan area networks wide area networks compliance telcordia gr-253-core itu-t g.958 45 mb/s to 2.7 gb/s optical 2r receiver module with fsk tone detection option 54rm series north america : 800 498-jdsu (5378) website : www.jdsu.com worldwide : +800 5378-jdsu
2 45 mb/s to 2.7 gb/s optical 2r receiver module with fsk tone detection option dimensions diagram (specifications in inches [mm] unless otherwise noted.) r1.18 min [r30 min] 39.003.9 [990.6.99] 2.307 [58.6] 1.000 [25.4] 1.402 [35.6] 0.362 [9.2] 0.012 [0.3] 0.500 [12.7] 0.100 typ [2.54] 0.201 [5.1] 54rm-wxyz 2.5 gb/s receiver made in usa 0.018 typ [0.46] ? pin 1 pinout pin symbol description 1 fsk fsk output 2 nuc no user connection 3 lpa loss of power alarm (los) 1 4 gnd ground 2 5 nic no internal connection 6 nic no internal connection 7 gnd ground 2 8 vcc supply voltage (5 v) 9 gnd ground 2 10 dout data positive output 11 dout data negative output 12 gnd ground 2 13 dtv decision threshold voltage 14 gnd ground 2 15 gnd ground 2 16 gnd ground 2 17 gnd ground 2 18 nic no internal connection 19 gnd ground 2 20 gnd ground 2 21 nuc no user connection 22 vcc supply voltage (5 v) 23 oilv optical input level voltage 24 nuc no user connection note: fc optical connectors are shown for illustration only. 1. lpa output is a logic level that indicates the presence or absence of a sufficient optical input level. a logical high level indicates an input optical level that is too low. 2. package is at the same potential as gnd.
3 45 mb/s to 2.7 gb/s optical 2r receiver module with fsk tone detection option optical incoming signal and the envelope signal characteristics of envelope detector parameter symbol minimum typical maximum output ac voltage signal (note 1 ) venv 5 mvp-p - 632 mvp-p -42 dbm - 0 dbm low cut-off frequency (-1 db) - - 50 khz low cut-off frequency (-20 db) 15 khz - - high cut-off frequency (-1 db) (note 1 ) 500 khz - - high cut-off frequency (-20 db) (note 1,2 ) - - 4000 khz clipping and distortion (note 3 ) - - 10 % s/n in a 40 khz bandwidth (note 4 ) 14 db - - spurious level (note 5 ) - - 6 db above noise floor 1. incoming optical signal with power in the range of -32 dbm to -7 dbm and modulation depth of 5% to 10% (dbm values assume a sin gle tone, not random data with two tones for fsk channel). 2. the gain at frequencies below the low cut-off frequency (-20 db) and above the high cut-off frequency (-20 db) must be smaller than -20 db. 3. the envelope-detected signal should not be clipped to the extent the fsk signal-to-noise ratio goes below 14 db in a 40 khz b andwidth with an optical input of -7 dbm and modulation index of 10%. 4. the measurement is conducted at two frequencies: one cent ered at 80 khz and the other at 180 khz. in addition, the measurements are performed at: a. carrier data rate of 622 mhz and prbs 223-1 data pattern with total power into the receiver of -32 dbm and 10% modulation inde x b. carrier data rate of 2488 mhz and prbs 223-1 data pattern with total power into the receiver of -32 dbm and 5% modulation index 5. spurs measured with oc 48, prbs 223-1 signal input and measured between: a. 55 khz and 105 khz b. 155 khz and 205 khz at a resolution bandwidth of 3 khz. optical input power envelope output voltage eye pattern of sonet, ge, etc. t t f1 f2 f1 note: the envelope signal is a fsk signal. it is a sine wave that contains two frequencies [f1 and f2, where f2 - f1 = 14.3 khz (m ax.), and 50 khz < f1, f2 <500 khz].
4 45 mb/s to 2.7 gb/s optical 2r receiver module with fsk tone detection option electrical specifications parameter symbol minimum typical maximum positive supply voltage vcc 4.75 v 5 v 5.25 v apd hv supply internal power consumption (total) - 1.2 w 1.5 w differential output data voltage (lvpecl) (note 1 ) 0.55 v p-p - 1.2 v p-p output rise time (20% to 80%) tr - 130 ps 150 ps output fall time (80% to 20%) tf - 130 ps 150 ps output data return loss 1 mhz to 2 ghz rl 9 db - - 2 ghz to 2.5 ghz rl 6 db - - loss of power alarm output level normal signal input lpa 0 v - 0.4 v low signal input (alarm) llite vcc - 0.4 v - vcc "low light" alarm assert time t(aa) - - 1 ms "low light" alarm de-assert time t(a0) - - 1 ms optical input level (pin 23) at 1550 nm (note 2 ) oil optical input = -40 dbm (2 db) 0.45 v 0.5 v 0.55 v optical input = -30 dbm (1 db) 0.95 v 1.0 v 1.05 v optical input = -20 dbm (1 db) 1.45 v 1.5 v 1.55 v optical input = -10 dbm (1 db) 1.95 v 2.0 v 2.05 v optical input = -5 dbm - 2.25 v - full scale range -5 dbm - -40 dbm slope - 50 mv/db - decision threshold voltage (pin 13) dtv 0.5 v - 3.5 v input voltage range (note 3 ) data, load drive capability rl - 50 ? - jitter generation meets gr-253/itu-t g.958 jitter tolerance (note 4 ) meets gr-253/itu-t g.958 jitter transfer (note 4 ) meets gr-253/itu-t g.958 logic output level ttl compatible 1. must be externally ac coupled and externally loaded by 50 ? . 2. the oilv output is tested and tuned using a 1550 nm optical input. when a 1310 nm source is present, the oilv output may vary b y 2 db since there may be an offset associated with receiving a 1310 nm optical signal as compared to 1550 nm. however, typically most modules will exhibit a small variation be tween 1310 nm and 1550 nm inputs. 3. by varying the dtv voltage at pin 13 from 0.5 vdc to 3.5 vdc the quanitization threshold level is shifted from the bottom of t he data eye to the top of the data eye respectively. threshold adjustment without optical noise (v optimum ) is symmetric about 2.0 vdc. at dtv set points of 0.5 vdc and 3.5 vdc, the ber will be shifted to a typical value of 10 e-7 from a nominal ber of 10 e-10 (i.e. no input applied at dtv). if the dtv function is not required, pin 13 should be l eft open. an extended dtv full- scale input range of 0.0 v to 5.0 v may be used if additional threshold adjustment range is required. 4. this requirement is only applicable when used with a cdr, whic h meets the given jitter tolerance and jitter transfer specifica tions.
5 45 mb/s to 2.7 gb/s optical 2r receiver module with fsk tone detection option typical dtv adjustment range optical specifications parameter symbol 54rm-4xxx 54rm-5xxx 1310 nm or 1550 nm 1310 nm or 1550 nm itu-t / sonet 2r (apd, no cdr) 2r (pin, no cdr) center wavelength c minimum 1260 nm 1260 nm maximum 1618 nm 1615 nm receiver sensitivity (note 1, 2 ) psens minimum -29 dbm -19 dbm typical -31 dbm -20 dbm receiver sensitivity 45 mhz to ge (note 1, 2 ) minimum -30 dbm - 20 dbm typical -32.5 dbm - 21 dbm receiver sensitivity with noise and path penalty (note 3 ) minimum -23 dbm -15 dbm typical -26 dbm -17 dbm receiver overload povld minimum -8 dbm 0 dbm typical -7 dbm 1 dbm maximum reflectance typical -28 db -28 db maximum -27 db -27 db lpa flag threshold minimum -40 dbm -22 dbm maximum -34 dbm -30 dbm lpa hysteresis minimum 0.5 db 0.5 db maximum 2 db 2 db 1. measured at ber 10 -10 and at the connector interface with conditions at eol with an 8.20.1 db extinction ratio optical source. the receiver shall exh ibit a ber slope less than -0.5 db per ber decade down to a ber of 10 -14 . when using the fsk option, the sensitivity will be degraded by 0.5 db. 2. receiver sensitivity is valid for data rates from 45 mb/s to 2.7 gb/s. for data rates from 45 mb/s up to 155 mb/s the prbs pat tern is 2 7 -1, and for data rates from 155 mb/s to 2.7 gb/s the prbs pattern is 2 23 -1. 3. measured at ber 10 -12 , osnr 0.1 nm = 19 db through 0.8 nm optical filter (square shape equivalent filter) and stm-16 prbs 2 23 - 1 signal with a cdr (itu-t g.958) and an msa transmitter with 3200 ps/nm optical path. dtv (pin 13) set to v optimum . 0.5 3.5 2.0 1e-7 1e-10 ber dtv (vdc) v optimum ?1? to ?0? increasing errors ?0? to ?1? increasing errors note: curve shown without optical noise. typical v optimum with optical noise is 1.75 vdc.
north america : 800 498-jdsu (5378) website : www.jdsu.com worldwide : +800 5378-jdsu telcordia is a registered trademark of telcordia technologies incorporated. all statements, technical information and recommendations related to the products herein are based upon information believed to be reliable or accurate. however, the accuracy or completeness thereof is not guaranteed, and no responsibility is assumed for any inaccuracies. the user assumes all risks and liability whatsoever in connection with the use of a product or its application. jdsu reserves the right to change at any time without notice the design, specificat ions, function, fit or form of its products described herein, i nclud- ing withdrawal at any time of a product offered for sale herein. jdsu makes no representations that the products herein are free from any intellectual property claims of others . please contact jdsu for more information. jdsu and the jdsu logo are trademarks of jds uniphase corporation. other trademarks ar e the property of their respective holders. ?2006 jds uniphase corporation. all rights reserved. 10143050 rev. 001 03/06 54rmfsk.ds.cms.ae 45 mb/s to 2.7 gb/s optical 2r receiver module with fsk tone detection option ordering information for more information on this or other products and their availability, please contact your local jdsu account manager or jdsu directly at 1-800-498-jdsu (5378) in north america and +800-5378-jdsu worldwide or via e-mail at customer.service@jdsu.com. sample: 54rm-4g21 code data output 1 cml ou t pu t 2 lvpecl ou t pu t for u se wi t h e x te r n al ac c oupl e d te rmi n a t io n 3 lvpecl ou t pu t for u se wi t h e x te r n al pecl bia s te rmi n a t io n 4 cml ou t pu ts wi t h lo n g e r pi n l en g t h s (0.1480.015") 5 lvpecl ou t pu t for u se wi t h e x te r n al lvpecl bia s te rmi n a t io n code class 1-5 t o 75 c 2 -40 t o 85 c code photodetector 4 apd 5pin 7 apd wi t h f s k 8pin wi t h f s k 54rm- code connector type c s t/ s pc dfc/ s pc gc/ s pc l lc/ s pc m mu/ s pc
|
