optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 1 XPB-2820LWG / xps-2820blwg (rohs compliant) 1270 nm tx / 1330 nm rx , 10.3 gbps 1-fiber single-mode lc xfp transceiver ******************************************************************************************************************************* *************************************** features z 1-fiber bi-directional xfp optical transceiver z up to 10.3 gbps bi-directional data links z compliant with xfp msa z compliant to ieee 802.3ae 10gbase-bx z sff-8472 digital diagnostic function z simplex lc connector z 1270 nm dfb ld transmitter z 1330 nm receiver z distance up to 20 km z 2-wire interface for integrated digital diagnostic monitoring z xfi loopback mode z no reference clock required z only required +3.3 v power supply z power consumption < 2 w z rohs compliant z 0 to 70 o c operating : XPB-2820LWG z -10 to 85 o c operating : xpb-2820blwg z simplex lc connector applications z 10gbase-bx at 10.3125 gb/s z 10gbase-bx at 9.953 gb/s laser safety this single-mode transceiver is a class 1 laser product. it complies with iec-60825 and fda 21 cfr 1040.10 and 1040.11. the transceiver must be operated within the specified temperature and voltage limits. the optical ports of the module shall be terminated with an optical connector or with a dust plug. description XPB-2820LWG series transceiver is designed for bi-directional serial optical data communications such as ieee 802.3ae 10gbase-bx by using 1270 nm transmitter and 1330 nm receiver. the transceiver consists of two sections: the transmitter section uses a multiple quantum well 1270 nm dfb laser and is a class 1 laser compliant according to international safety standard iec 60825. the receiver section uses an integrated 1330 nm detector preamplifier (idp) mounted in an optical header and a limiting post-amplifier ic. the module is with the xfp 30-pin connector to allow hot plug capability. integrated tx and rx signal conditioners provide high jitter-tolerance for full xfi compliance and no external reference clock required. the internally ac coupled high speed serial i/o simplifies interfacing to external circuitry. only single 3.3v power supply is needed. the optical output can be disabled by lvttl logic high-level input of tx_dis. loss of signal (rx_los) output is provided to indicate the loss of an input optical signal of receiver. a serial eeprom in the transceiver allows the user to access transceiver digital diagnostic monitoring and configuration data via the 2-wire xfp management interface. this interface uses a single address, a0h, with a memory map divided into a lower and upper area. basic digital diagnostic data is held in the lower area while specific data is held in a series of tables in the high memory area. order information p/no. bit rate (gb/s) 10gbase distance (km) tx (nm) rx (nm) package temp ( o c) rohs compliant XPB-2820LWG 10.3 bx 20 1270 dfb 1330 lc xfp with dmi 0 to 70 yes xpb-2820blwg 10.3 bx 20 1270 dfb 1330 lc xfp with dmi -10 to 85 yes
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 2 absolute maximum ratings parameter symbol min max units notes storage temperature tstg -40 85 o c operating case temperature topr 0 -10 70 85 o c XPB-2820LWG xpb-2820blwg relative humidity rh 0 85 % non condensing power supply voltage v cc 3 0 3.6 v recommended operating conditions parameter symbol min typ max units / notes power supply voltage v cc 3 3.13 3.3 3.47 v power supply current (@3.3v) i cc 3 550 ma power dissipation p d 2 w operating case temperature topr 0 -10 70 85 o c / XPB-2820LWG o c / xpb-2820blwg data rate 9.95 10.3 gb/s transmitter optical specifications (topr= 0 to 70 o c, vcc3 = 3.3v 5%) parameter symbol min typ max units notes average launch power po, avg -2 2 dbm 1 output center wavelength c 1260 1270 1280 nm output spectrum width 1 nm -20 db width side mode suppression ratio smsr 30 db relative intensity noise rin -128 db/hz optical eye mask compliant with ieee 802.3ae 10gbase-l xfp msa average launch power of off transmitter -30 dbm 1. output power is power coupled into a 9/125 m single-mode fiber. receiver optical specifications (topr= 0 to 70 o c, vcc3 = 3.3v 5%) parameter symbol min typ max units notes sensitivity @10.3 gb/s sen1 -14 dbm 2, average received power receiver overload p max 0.5 --- dbm los -- deasserted los d --- --- -18 dbm transition: low to high los -- asserted los a -30 --- --- dbm transition: high to low los -- hysteresis 1 --- 5 db wavelength of operation c 1320 1340 nm 3 2. measured with worst er; ber < 10 -12 and prbs 2 31 -1. 3. at least 30 db optical isolation for the wavelength 1260 to 1280 nm.
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 3 electrical characteristics parameter symbol min typ max units notes high-speed signal (cml) interface specification input data rate 9.95 10.3125 gb/s differential input impedance rin 100 differential data input amplitude 120 820 mvpp 4, internally ac coupled output data rate 9.95 10.3125 gb/s differential output impedance rout 100 differential data output amplitude 340 850 mvpp 4, internally ac coupled low-speed signal (lvttl) interface specification input high voltage 2.0 vcc v input low voltage gnd 0.8 v output high voltage 2.4 vcc v output low voltage gnd 0.5 v reference clock (lvpecl) interface specification no reference clock 4. the differential input and output amplitudes are per xfp msa mask at points b? and c?. transceiver timing characteristics parameter symbol min typ max units notes tx_dis assert time t_off 10 s tx_dis negate time t_on 2 ms time to initialize t_init 300 ms interrupt assert delay interrupt_on 200 ms interrupt negate delay interrupt_off 500 s p_down/pst assert delay p_down/rst_on 100 s p_down nagate delay p_down/rst_off 300 ms mod_nr assert delay mod_nr_on 1 ms mod_nr negate delay mod_nr_off 1 ms mod_desel assert time t_mod_desel 2 ms mod_desel de-assert time t_mod_sel 2 ms p_down reset time t_reset 10 s rx_los assert delay t_los_on 100 s rx_los negate de lay t_los_off 100 s serial id clock rate f scl 0 400 khz
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 4 management interface the structure of the memory map is shown in figure 1, which is accessible over a 2-wire serial interface at the 8-bit address 1010000x (a0h). the normal 256 byte i2c address space is divided into low and upper blocks of 128 bytes. the lower block of 128 bytes is always directly available and is used for the diagnostics and control function. multiple blocks of memories are available in the upper 128 bytes of the address space. these are individually addressed through a table select byte which the user enters into a location in the lower address space. thus, there is a total available address space of 128*25 6 = 32 kbytes in this upper memory space. the contents of table 01h are listed in table 1 below. please refer sff inf-8077i (revision 4.5) for detailed information. figure 1. 2-wire serial dig ital diagnostic memory map table 1 monitoring specification data address parameter accuracy 96 ~ 97 temperature 3 o c 98 ~ 99 reserved 100 ~ 101 tx bias 10% 102 ~ 103 tx power 2db 104 ~ 105 rx power 2db 106 ~ 107 vcc3 3%
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 5 connection diagram table 3 pin description pin logic signal name description note 1 gnd module ground 1 2 vee5 -5.2v power supply (not required) 3 3 lvttl-i mod_desel module de-select; when held low allows module to respond to 2-wire serial interface 4 lvttl-o interrupt interrupt; indicates presence of an important condition which can be read over the 2wire serial interface 2 5 lvttl-i tx_dis transmitter disable; turns off transmitter laser output 6 vcc5 +5v power supply (not required) 3 7 gnd module ground 1 8 vcc3 +3.3v power supply 9 vcc3 +3.3v power supply 10 lvttl-i/o scl serial 2-wire interface clock 2 11 lvttl-i/o sda serial 2-wire interface data line 2 12 lvttl-o mod_abs indicates module is not present. grounded in the module 2 13 lvttl-o mod_nr module not ready; indicating module operational fault 2 14 lvttl-o rx_los receiver loss of signal indicator 2 15 gnd module ground 1 16 gnd module ground 1 17 cml-o rd- receiver inverted data output 18 cml-o rd+ receiver non-inverted data output 19 gnd module ground 1 20 vcc2 +1.8v power supply (not required) 3
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 6 power down; when high, requires the module to limit power consumption to 1.5w or below. 2-wire serial interface must be functional in the low power mode. 21 lvttl-i p_down/rst reset; the falling edge initiates a complete reset of the module including the 2-wire serial interface, equivalent to a power cycle. 22 vcc2 +1.8v power supply (not required) 3 23 gnd module ground 1 24 pecl-i refclk+ reference clock non-invert ed input, ac coupled on the host board. (not used. internally terminated to 50 ohm (100 ohm diff.)) 4 25 pecl-i refclk- reference clock inverted input, ac coupled on the host board. (not used. internally terminated to 50 ohm (100 ohm diff.)) 4 26 gnd module ground 1 27 gnd module ground 1 28 cml-i td- transmitter inverted data input 29 cml-i td+ transmitter non-inverted data input 30 gnd module ground 1 1. module ground pins gnd are isolated from the module case and chassis ground within the module. 2. shall be pulled up with 4.7k-10kohms to a voltage between 3.15v and 3.45v on the host board. 3. these pins are open within module. 4. a reference clock input is not required. if present, it will be ignored. mechanical specificat ion (units in mm)
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 7 recommended power circuit schematic 0.1 f 0.1 f xfp module 0.1 f host board 4.7 h 4.7 h 4.7 h 4.7 h 0.1 f 0.1 f 0.1 f 0.1 f 22 f 22 f 22 f 22 f 0.1 f xfp connector optional host +3.3v host +1.8v host -5.2v optional optional host +5v vcc5 vcc3 vcc2 vee5 recommended interface circuit z=50 ? z=50 ? z=50 ? z=50 ? host board vcc(+3.3v) 100 ? xfp module 100 ? 4.7k to 10k ? rd - rd + td - td + p_down/rst scl sda rx _los tx_ d is 100 ? mod_desel mod_abs mod_nr interrupt re fclkp re fclkn cm l cm l cm l cm l gnd vcc(+3 .3v) serdat out+ serdat out- serdat in+ serdat in- 10k ?
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 8 table 2 serial id memory contents (table 01h) address field size (byte) name of filed description hex 128 1 identifier xfp 06 129 1 ext. identifier power consumption < 2 w, no ref clock required 50 130 1 connector type lc connector 07 131~138 8 transceiver 10gbase-bx, 10gbase-lr/lw, 10gfc 1200-sm-ll-l 44 40 00 00 00 00 00 00 139 1 encoding 64b/66b, 8b10b, nrz d0 140 1 br-min 9.9gbps 63 141 1 br-max 10.3gbps 67 142 1 length (smf)-km 20 km 14 143 1 length (e-50m) 0 m 00 144 1 length (50 m) 0 m 00 145 1 length (62.5 m) 0 m 00 146 1 length (copper) 0 m 00 147 1 device tech uncooled 1270dfb, pin detector 40 148~163 16 vendor name optoway 4f 50 54 4f 57 41 59 20 20 20 20 20 20 20 20 20 164 1 cdr support cdr supports 9.953g ~ 10.3g, xfi loopback c1 165~167 3 vendor oui 00 0e fa XPB-2820LWG 58 50 42 2d 32 38 32 30 4c 57 47 20 20 20 20 20 168~183 16 vendor pn xpb-2820blwg 58 50 42 2d 32 38 32 30 42 4c 57 47 20 20 20 20 184~185 2 vendor rev ascii (?31 61? means 1a revision) xx xx 186~187 2 wavelength 1270 nm 63 38 188~189 2 wavelength tolerance +/- 10 nm 07 d0 70deg (for XPB-2820LWG) 46 190 1 max case temp 85deg (for xpb-2820blwg) 55 191 1 cc_base check sum of byte 128 -- 190 192~195 4 power supply 2wmax, 1.5w pd_max , 550ma 3.3v 64 96 06 00 196~211 16 vendor sn ascii xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx 212~219 8 date code ascii year (2 byte), month (2 byte), day (2 byte) xx xx xx xx xx xx 20 20 220 1 diagnostic monitoring type no ber support, average power 08 221 1 enhanced options optional soft tx_disable implemented, optional soft p_down implemented 60 222 1 aux monitoring aux1 for vcc3. 70 223 1 cc_ext check sum of byte 192 -- 222 224~255 32 vendor specific reserved note: specifications subject to change without notice.
optoway XPB-2820LWG ******************************************************************************************************************************* **************************************** ******************************************************************************************************************************* *************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 2008/11/1 v1.0 9 revision history version subject release date 1.0 initial datasheet 2008/11/1
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