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Product DescriptionData Rate (Gbit/s)ReachTXRXPower ConsumptionTemperature (deg C)¼æÈÝÆ·ÅÆ
QSFP-40G-SR4 40G 100m 850nm VCSEL PIN <1.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40G-eSR4 40G 300m 850nm VCSEL PIN <1.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40G-IR4 40G 2km DFB CWDM PIN <3.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40G-LR4 40G 10km DFB CWDM PIN <3.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40G-ER4 40G 30km DFB CWDM APD <3.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40GPSM-IR4 40G 1.4km 1310nm FP PIN <3.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40GPSM-LR4 40G 10km 1310nm DFB PIN <3.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40GAOC-X 40G 0~300m 850nm VCSEL PIN <1.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-40G-LX4 40G 150m/2km DFB CWDM PIN <3.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
               

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QSFP-56G-SR4 56G 100m 850nm VCSEL PIN <1.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-56G-eSR4 56G 300m 850nm VCSEL PIN <1.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ
QSFP-56GAOC-X 56G 0~300m 850nm VCSEL PIN <1.5w 0~70¡ãC/-40~85¡ãC ȫϵÁÐ

QSFP£¬È«³ÆQuad Small Form-factor Pluggable£¬ËÄͨµÀСÐͿɲå°Î¹âÄ£¿é£¬¾ßÓÐËĸö×ÔÁ¦µÄÈ«Ë«¹¤ÊÕ·¢Í¨µÀ ¡£ËüµÄÉè¼Æ³õÖ¾ÊÇÓøßÃܶȵĹâÄ£¿éÌæ»»µ¥Í¨µÀµÄSFP£¬QSFPÖ»±È±ê×¼µÄSFPÄ£¿é´ó30% ¡£ÕâÖÖÆ÷¼þÖ§³Ö100Mbpsµ½10GbpsµÄËÙÂÊ£¬ºÍSFPÒ»Ñù£¬ËüÒ²¾ßÓÐÊý×ÖÕï¶ÏÄÜÁ¦£¬¿ÉÒÔ¼à¿ØÁ´Â·µÄÐÔÄÜ ¡£QSFPÊÇΪ¸ßÃܶÈÓ¦Óÿª·¢µÄ ¡£Ô­À´µÄϵͳÉè¼ÆÓÉÓÚ×°±¸»ú¿òÃæ°åµÄÃæ»ýÓÐÏÞ£¬¹âÏËÊýÄ¿Êܵ½ÏÞÖÆ£¬Ê¹Óñê×¼µÄSFP»òÕß10Gbps XFPÌÖÂÛ£¬¿ÉÒÔÈÝÄɵÄͨµÀÊýÖ÷ÒªÊܵ½ÎïÀí¿Õ¼äµÄÏÞÖÆ ¡£QSFP¾ÍÊÇÔÚÕâÑùµÄÅä¾°Ï¿ª·¢µÄ£¬¿ÉÒ԰Ѹü¶àµÄת·¢Æ÷ºÍÎüÊÕÆ÷¼¯ÖÐÔÚ¸üСµÄ¿Õ¼äÖÐÈ¥ ¡£ÔçÏÈÊÇ˼¿ÆÂÊÏÈ¿ª·¢QSFP£¬×¼±¸ÓÃÓÚSONET/SDH ¡£ÓÉÓڵ䷶µÄSONETϵͳÊÇÊ×ÏÈƾ֤´ø¿íÀ´Éè¼Æ±³°å£¬È»ºóÔÙÉèÖÃÏìÓ¦µÄ°å¿¨ ¡£ÀýÈ磺һ¸ö10Gbps±³°åµÄSONETϵͳ¿ÉÒÔÉè¼ÆΪ4¸öOC-48¶Ë¿Ú£¬»òÕßÖ§³Ö16¸öOC-12¶Ë¿ÚµÄ°å¿¨ ¡£ÀíÂÛÉÏ£¬Õâ¸öϵͳ¿ÉÒÔÖ§³Ö64¶Ë¿ÚOC-3µÄ°å¿¨ ¡£¿ÉÊÇÕâʱ¼äÎÊÌâ¾ÍÀ´ÁË£¬ÏµÍ³Éè¼ÆÕßÎÞ·¨×ö64¶Ë¿ÚµÄÏß¿¨£¬ÓÉÓÚÇ°Ãæ°åÉÏ»ù´¡×°²»ÏÂÄÇô¶àת·¢Æ÷ ¡£ÒÔÊǾÍÃÈÉúÁË¿ª·¢ÕâÖÖQSFP¸ßÃܶÈСÐͽӿÚÓÃÓÚOC-3¶Ë¿ÚµÄÏë·¨ ¡£ ÒԺ󣬼¸¼Ò¹«Ë¾¾ÍQSFPµÄÖÆÔì¸æ¿¢Á˶àԴЭÒ飨MSA£©£¬Æ÷¼þÖð½¥Éý¼¶ ¡£QSFPÒ²´Ó´¿´âµÄµ¥Ä£¹âÏËSONETÓ¦ÓÃÁìÓò×ß³öÀ´£¬½øÈëÆäËü¶àÄ£¹âÏËÓ¦Óã¬ÈçǧÕ×ÒÔÌ«Íø¡¢¹âÏËͨµÀ¡¢InfiniBandµÈ ¡£Ðí¶àMSA³ÉÔ±¹©Ó¦VCSELоƬ»òÕßƽÐÐVCSELоƬ£¬Íƶ¯ÁËQSFPÊÖÒÕÔÚ¶àÄ£ÁìÓòµÄÓ¦Óà ¡£

    QSFPµÄ4¸öͨµÀµÄ¿É²å°Î½Ó¿Ú´«ÊäËÙÂʵִïÁË40Gbps ¡£Ðí¶àXFPÖгÉÊìµÄÒªº¦ÊÖÒÕ¶¼Ó¦Óõ½Á˸ÃÉè¼ÆÖÐ ¡£Ëü×÷ΪһÖÖ¹âÏ˽â¾ö¼Æ»®£¬²¢ÇÒËÙÂʺÍÃܶȾùÓÅÓÚ4ͨµÀCX4½Ó¿Ú ¡£ÓÉÓÚ¿ÉÔÚXFPÏàͬµÄ¶Ë¿ÚÌå»ýÏÂÒÔÿͨµÀ10GbpsµÄËÙÂÊÖ§³ÖËĸöͨµÀµÄÊý¾Ý´«Ê䣬ÒÔÊÇQSFPµÄÃܶȿÉÒÔµÖ´ïXFP²úÆ·µÄ4±¶£¬SFP+²úÆ·µÄ3±¶ ¡£¾ßÓÐ4ͨµÀÇÒÃܶȱÈCX4¸ßµÄQSFP½Ó¿ÚÒѾ­±»InfiniBand±ê×¼Ëù½ÓÄÉ ¡£

ÔÚQSFP»ù´¡ÉÏÉú³¤¶øÀ´µÄQSFP+£¬È«³ÆQuad Small Form-factor Pluggable Plus ¡£Æä½â¾ö¼Æ»®ÊÇרΪ¸ßÃܶȵÄÓ¦ÓóÌÐò ¡£Õû¸öϵͳ°üÀ¨38PINµÄÅþÁ¬Æ÷£¬µç´Å×ÌÈÅ(EMI)ÆÁÕÏ×é¼þ,¹âѧÊÕ·¢Æ÷£¬É¢ÈÈ×é¼þ£¬Í­ÀÂ×é¼þ,MTP¹âÀÂ×é¼þ,¹âѧ»Ø»·µÈ ¡£

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20120803001    ¸Ã²úƷϵÁеÄÉè¼ÆÄÜÖª×ãIEEE 802.3ba¹æ·¶¡¢Infiniband QDRºÍ¹âÏËͨµÀÒªÇóµÄÿ¸ö¶Ë¿Ú40 Gb/sµÄ´ø¿íÐèÇó ¡£ÏµÍ³¹¦Ð§ÓÉSFF-8436¹æ·¶È·¶¨£¬SFF¨C8436ЭÒé½ç˵ÁËQSFP+µÄµçÆø¡¢¹âѧ¡¢»úеÌØÕ÷£¬ÒÔ¼°I2C×ÜÏßÖÎÀí½çÃæ ¡£ÈȲå°ÎµÄÊÕ·¢Æ÷¼¯³ÉÁË4¸ö´«ËÍͨµÀºÍ4¸öÎüÊÕͨµÀ ¡£QSFP+ÊÕ·¢Æ÷¿ÉÒÔÈ¡´ú4¸ö±ê×¼SFP+ÊÕ·¢Æ÷ ¡£¸ü´óµÄ¶Ë¿ÚÃܶȺÍÕû¸öϵͳµÄ±¾Ç®½ÚÔ¼Áè¼Ý¹Å°åSFP+²úÆ· ¡£QSFP+ÏßÀÂ×é¼þ±»Éè¼ÆÓ¦ÓÃÓÚÉèÖÃÔÚ¼«¸ßÃܶȵÄÐèÇó ¡£Õâ¸öϵͳ½«Ö§³Ö10GÒÔÌ«Íø,¹âÏËͨµÀ,InfiniBand,SASºÍSONET/SDH±ê׼ʹÓòî±ðµÄÊý¾ÝÂÊÑ¡Ïî ¡£°üÀ¨InfiniBandµ¥Êý¾ÝÂÊ(SDR),Ë«Êý¾ÝÂÊ(DDR)ºÍËÄÊý¾ÝÂÊ(QDR),ÒÔÌ«Íøϵͳ(10~40 gbps),¹âÏËͨµÀ(8¡¢10gbps),SAS(12 gbps) ¡£

Ö÷ÒªÓÃ;ÓУº½»Á÷»ú£¬Â·ÓÉÆ÷£¬Ö÷»úÊÊÅäÆ÷×ÜÏߣ»ÆóÒµ´æ´¢£»¸ßÃܶȡ¢¸ßËÙµÄI/O£»¶àͨµÀ»¥Á¬ ¡£¸Ã¼Æ»®ÓÈÆäÊÊÓÃÓÚ¸ßÁ÷Á¿´¦Àíϵͳ£¬ÕâЩϵͳ×îµä·¶µÄÓ¦ÓÃÁìÓò°üÀ¨Êý¾ÝÖÐÑë¡¢ÍøÂçÅþÁ¬¡¢ÒÔ¼°¸ßÐÔÄÜÅÌËã ¡£

ÓÉ×ðÁú¿­Ê±×îÐÂƽ̨µÇ¼×ÔÁ¦Ñз¢µÄ¾ßÓиߴø¿í£¬¸ßËÙÂÊ£¬Ð¡³ß´ç£¬µÍ¹¦ºÄµÈ¹¦Ð§µÄ¹âÏ˲å°ÎʽQSFP+¹âÄ£¿é£¬¼¯³ÉÁË 4 ¸öÊÕ·¢Í¨µÀ£¬¿ÉÌæ»»×î¶à 4 ¸ö±ê×¼ SFP+ ÊÕ·¢Æ÷ ¡£±È¹Å°åµÄ SFP+ ²úÆ·¾ßÓиü¸ßµÄ¶Ë¿ÚÃܶÈ£¬²¢½ÚԼϵͳ×ÜÌ屾Ǯ£¬²¢ÇÒÏà½ÏÁ¿¹Å°åAOC¶øÑÔ£¬Ó¦ÓøüÎÞа¡¢¸üÒ×ÓÚÖÎÀíºÍά»¤ ¡£ÓÈÆäÖ÷ÒªµÄÊǸòúÆ·ÄÚ²¿½ÓÄÉÆæÒìµÄCOB£¨Chip-On-Board£©Éè¼Æ£¬¾ßÓнṹ¾«Á·¡¢±¾Ç®µÍµÄÓŵ㣬ÔÚÏà¹Ø²úÆ·ÁìÓò½«»áÌåÏÖ³öÇ¿Ê¢µÄ¾ºÕùÁ¦ ¡£

QSFP¹âÄ£¿é

QSFP-40G-IR4

QSFP-40G-IR4

  • Compliant with 40G Ethernet IEEE802.3ba and
  • 40GBASE-IR4 Standard
  • QSFP+ MSA compliant
  • Compliant with QDR/DDR Infiniband data rates
  • Up to 11.2Gbps data rate per wavelength
  • 4 CWDM lanes MUX/DEMUX design
  • Up to 2km transmission
  • Operating case temperature: 0~70C
  • Maximum 3.5W operation power
  • RoHS compliant

QSFP-40G-LR4

QSFP-40G-LR4

  • Compliant with 40G Ethernet IEEE802.3ba and
  • 40GBASE-LR4 Standard
  • QSFP+ MSA compliant
  • Compliant with QDR/DDR Infiniband data rates
  • Up to 11.2Gbps data rate per wavelength
  • 4 CWDM lanes MUX/DEMUX design
  • Up to 10km transmission
  • Operating case temperature: 0~70C
  • Maximum 3.5W operation power
  • RoHS compliant

QSFP-40G-SR4

QSFP-40G-SR4

  • 4 independent full-duplex channels
  • Up to 11.2Gbps data rate per channel
  • MTP/MPO optical connector
  • QSFP+ MSA compliant
  • Digital diagnostic capabilities
  • Capable of over 100m transmission on OM3 multi-mode ribbon fiber
  • CML compatible electrical I/O
  • Single +3.3V power supply
  • Operating case temperature: 0¡ãC to 70¡ãC(Standard), -40¡ãC to 85¡ãC (Industrial)
  • XLPPI electric interface (with 1.5W Max power)
  • RoHS-6 compliant

QSFP-40G-SR4

QSFP-56G-SR4

  • Four-channel full-duplex transceiver modules            
  • Transmission data rate up to 14.025Gbit/s per channel
  • 4 channels 850nm VCSEL array
  • 4 channels PIN photo detector array
  •  Low power consumption <1.5W
  • Housing isolated from connector ground
  • Operating case temperature 0¡ãC to +70¡ãC
  • 3.3V power supply voltage
  • RoHS 6 compliant
  • Hot Pluggable QSFP form factor
  • Maximum link length of 100m on OM3 Multimode Fiber (MMF)and 150m on OM4 MMF
  • Single MPO connector receptacle
  •  Built-in digital diagnostic function

QSFP112 50G GPON OLT Transceiver

QSFP112 50G GPON OLT Transceiver

QSFP112 50G GPON OLT Transceiver

The FT-BE-Q4301-PC+ is intended for 50G GPON OLT DEMO in a QSFP112 housing. It is using a 1342nm 49.7664Gbps downstream transmitter and a 24.8832Gbps/12.5Gbps upstream receiver which work in TDM configuration.

QSFP112 50G GPON ONU Transceiver

QSFP112 50G GPON ONU Transceiver

QSFP112 50G GPON ONU Transceiver

The FT-BE-Q3401-PC+ is intended for 50G GPON ONU DEMO in a QSFP112 housing. It is using a 1300nm 24.8832Gbps(can support 12.5Gbps) upstream burst transmitter which work in TDM configuration£¬and a 49.7664Gbps downstream continuous receiver.

QSFP28-100G-SR4

QSFP28-100G-SR4

F-tone¡¯s QSFP28-100G-SR4 module is a 4-channel transceiver capable of transmitting and receiving 100 Gbps simultaneously. F-tone¡¯s QSFP28-100G-SR4 transceiver performs at high speeds while consuming extremely low power¡ªallowing for > 50% reduction in power consumption compared to 4 SFP+ inF-tonerconnects.

QSFP28-100GBASE-LR4¹âÄ£¿é

QSFP28-100GBASE-LR4

»ùÓÚIEEE-100GBASE-LR4¹æ·¶£¬´Ë²úÆ·µä·¶¹¦ºÄÖ»ÓÐ3.5W£¬±ÈÄ¿½ñÒµ½ç×îºÃµÄ100G CFP4Ä£¿é¹¦ºÄµÍ40% ¡£Ëü½ÓÄÉ×îÏȽøµÄ100G´«ÊäÊÖÒÕΪÊý¾ÝÖÐÑëÌṩ»ú¼Ü½»Á÷»úºÍ½¹µãÍøÖ®¼äµÄÅþÁ¬£¬±È40G QSFP¼Æ»®Ìá¸ßÁË150%µÄÃæ°å´ø¿íÃÜ¶È ¡£Ïà±ÈÓÚÄ¿½ñÖ»Ö§³Ö12¸öÄ£¿é/µ¥°åµÄ100G CFP2£¬QSFP28¿ÉÒÔÖ§³Ö¶à´ï48¸öÄ£¿é/µ¥°å ¡£100G LR4 QSFP28ΪÏÖÔÚ³¬´óÐÍÊý¾ÝÖÐÑëÒ»Ö±ÔöÌí´«Êä¾àÀëµÄÐèÇóÌṩÁËÀíÏë½â¾ö¼Æ»®£¬²¢½«ÒýÁ쵥ģ¹âÏËÔÚÊý¾ÝÖÐÑëµÄʹÓà ¡£

QSFP28-SR4¹âÄ£¿é

QSFP28-100GBASE-SR4

F-tone QSFP28-100GBASE-SR4ÊÇÒ»¸ö 4 ͨµÀ¿É²å°Î¹âÏËQSFP28ÊÕ·¢Æ÷Ä£¿é×°ÖÃ,Éè¼ÆÓÃÓÚ100GbE¶Ì³ÌÊý¾ÝÖÐÑ뻥Á¬,ÇкÏIEEE802.3 100GBASE-SR4»®¶¨ºÍ 100 Ã׶àÄ£¹âÏ˽éÖʵıê×¼ ¡£±¾×°ÖÃÿ¸öÆ«Ïò¼¯³É 4 ¸ö 25.78125 Gbps µÄÊý¾ÝͨµÀ£¬µÖ´ï 103.125 Gbps µÄ¾ÛºÏ´ø¿í ¡£Í¨¹ý½ÓÄÉÒ»¸ö 8 о¹âÏË£¨»òÕß 12 о¹âÏË£©µÄ MPO ¹âѧ¶àÄ£ OM4 ÏßÀ£¬Ê¹µÃ¹âѧ»¥²Ù×÷ÐÔ³¤´ï 100 Ã× ¡£ÍÆÀ­Ê½À­»·ÓÐÖúÓÚ¸Ã×°ÖÃÔÚ¸ßÃܶÈÅþÁ¬Ó¦ÓÃÖвåÈëºÍÀ­³ö ¡£Ã¿¸öµçÆøͨµÀÔÚ 25.78125 Gbps µÄËÙÂÊϲÙ×÷²¢ÇÒÇÐºÏ 802.3 Ìõ¿î 91 RS-FEC ÖÐ 100GE CAUI4 ½Ó¿ÚµÄ»®¶¨ ¡£QSFP28-100GBASE-SR4 ÔÚÉè¼ÆÉÏʹÓà 850nm ±ê³Æ²¨³¤ÓÚ¶àÄ£¹âÏËϵͳÉÏÔË×÷ ¡£µçÆø½Ó¿Ú½ÓÄÉ 38 ½ÓµãµÄ QSFP28 ±ßÑØÐÍÅþÁ¬Æ÷ ¡£¹â½Ó¿Ú½ÓÄɹŰåµÄ 8 о¹âÏË£¨»òÕß 12 о¹âÏË£©MPO ÅþÁ¬Æ÷ ¡£±¾×°ÖýÓÄÉ F-tone µÄÓÅÖʼ¯³Éµç·ºÍ VCSEL ÊÖÒÕ£¬ÒÔ±ãΪÓû§Ìṩºã¾Ã¿É¿¿µÄ¸ßÐÔÄܺÍʼÖÕÈçÒ»µÄЧÀÍ ¡£

100GE CWDM4 2 km QSFP28 Optical Transceiver

QSFP28-100GE-2km¹âÄ£¿é

100GE CWDM4 2 km QSFP28 Optical Transceiver

F-tone Networks¡¯s QSFP28-100GE-2km QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links on up to 2 km of single mode fiber. They are compliant with the QSFP28 MSA, CWDM4 MSA, and relevant portions of IEEE P802.3bm. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA. The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.

QSFP28-100GE-LR4¹âÄ£¿é

QSFP28-100GE-LR4¹âÄ£¿é

100GBASE-LR4 10 km QSFP28 Optical Transceiver

F-tone Networks¡¯s QSFP28-100GE-LR4 QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links on up to 10km of single mode fiber. They are compliant with the QSFP28 MSA, IEEE 802.3ba 100GBASE-LR4 and IEEE 802.3bm CAUI-4. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA and F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html". The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.

QSFP28-128GFC-SR4¹âÄ£¿é

QSFP28-128GFC-SR4

100GBASE-SR4, OTU4 & 128G Fibre Channel Multirate 100m QSFP28 Optical Transceiver 

F-tone Networks¡¯s QSFP28-128GFC-SR4 100G QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet, 128GFC and 4x28G OTN links over multimode fiber. They are compliant with the QSFP28 MSA, 128GFC, IEEE 802.3bm 100GBASE-SR4 and CAUI-4. Digital diagnostics functions are available via the I2C interface as specified by the QSFP28 MSA. The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.

QSFP28-OTU4-2KM¹âÄ£¿é

QSFP28-OTU4-2KM¹âÄ£¿é

100GE CWDM4 & OTU4 Dual Rate 2 km QSFP28 Optical Transceiver

F-tone Networks¡¯s QSFP28-OTU4-2KM QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet and 4x28G OTN client interfaces on up to 2 km of single mode fiber. They are compliant with the QSFP28 MSA, CWDM4 MSA, and relevant portions of IEEE P802.3bm. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA and F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html". The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.

QSFP28-OTU4-LR4¹âÄ£¿é

QSFP28-OTU4-LR4¹âÄ£¿é

100GBASE-LR4 10 km QSFP28 Optical Transceiver

F-tone Networks¡¯s QSFP28-100GE-LR4 QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links on up to 10km of single mode fiber. They are compliant with the QSFP28 MSA, IEEE 802.3ba 100GBASE-LR4 and IEEE 802.3bm CAUI-4. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA and F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html". The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.

QSFP28-SR4-Limited¹âÄ£¿é

QSFP28-SR4-Limited¹âÄ£¿é

100GBASE-SR4 with Limited or No FEC QSFP28 Optical Transceiver

F-tone Networks¡¯s QSFP-SR4-Limited 100G QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links over multimode fiber. They are compliant with the QSFP28 MSA. They are capable of operating (a) without forward error correction (FEC) provided by the host, (b) with reduced Firecode 74 FEC present per IEEE 802.3by2 25GBASE-SR and Clause 74, or (c) with full RS FEC present per IEEE 802.3bm3 100GBASE-SR4, Clause 91, and CAUI-4. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA and F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html". The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.

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