GEPON SFP OLT Transceiver SFE1243-P2+ FEATURES Dual Wavelength Bi-Directional Tx/Rx Single SC/PC receptacle optical interface compliant 1250 Mb/s Symmetrical Tx/Rx Data Rate 1490 nm CW Mode DFB Laser Transmitter 1310 nm APD/TIA Burst Mode Receiver Digital Burst RSSI Function Single 3.3 Volt DC supply SFP Package Outline Hot-pluggable 0 to 70 oC Operation RoHs Compliance APPLICATIONS Gigabit Ethernet Passive Optical Networks OLT side Fiber to the Home, Curb, Office (FTTx) Point to Multi Point Service (P2MP) Absolute Maximum Ratings Parameter Symbol Min. Max. Units Note Storage Temperature Ts -40 85 в„ѓ - Relative Humidity RH 5 90 % - Power Supply Voltage Vcc 0 3.6 V Soldering Temperature - - 260 в„ѓ 10 seconds on leads only Receiver Damage Threshold +4 - dBm Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Units Power Supply Voltage Vcc 3.13 3.3 3.47 V Operating Temperature Top 0 - 70 в„ѓ Data Rate - - 1250plusmn,100ppm - Mbps Power Supply Current Icc - - 350 mA Transmitter Specifications (0oC lt, Top lt, 70oC, 3.1V lt, Vcc lt, 3.5V) Parameter Symbol Min. Typ. Max. Units Optical transmitter Characteristics Optical Transmitter Power (EOL full temperature range) Po_EOL +2 - +7 dBm Power Off Transmitter Optical Transmitter Power Poff - - -39 dBm Optical Center Wavelength lambda,C 1480 1490 1500 nm Output Spectrum Width lambda, - - 1 nm(-20dB Width) Side Mode Suppression Mode SMSR 30 - - dB Extinction Ratio ER 9 - - dB Output Eye Compliance with IEEE802.3ah Optical Rise Time tr - - 0.26 ns Optical Fall Time tf - - 0.26 ns Relative Intensity Noise RIN - - -115 dB/Hz Optical Return Loss RL - - 15 dB Total Jitter Tj - - 0.43 UI Optical Cross Talk CRT - 40 - dB Transmit Reflectance RFL - - -12 dB Transmit Dispersion Penalty DP - - 2.3 dB Electrical Characteristics Differential Input Voltage VIH VIL 200 - 1600 mV Differential Data input impedance 80 100 120 W TX Disable Input Voltage Low TDIS, L 0 - 0.8 V TX Disable Input Voltage High TDIS, H 2.0 - VCC V TX Disable Assert Time TASSERT - - 10 ms TX Disable Deassert Time TDEASSERT - - 1 ms TX Fault Output Voltage -- Low TFaultL 0 - 0.8 V TX Fault Output Voltage -- High TFaultH 2.0 - VCC V Receiver Specifications (0oC lt, Top lt, 70oC, 3.1V lt, Vcc lt, 3.5V) Parameter Symbol Min. Typ. Max. Units Optical Receiver Characteristics Maximum Input Power (Sensitivity) Sen - - -30 dBm Maximum Input Power(Saturation) PMAX -6 - - dBm Signal Detect -- Asserted Pa - - -31 dBm Signal Detect -- Deasserted Pd -45 - - dBm Signal Detect -- Hysteresis Phys 0.5 - 6 dB Wavelength of Operation lambda, 1260 1360 nm Receiver Reflectance RFL - - -12 dB Diagnostic Specification Parameter Range Unit Accuracy Caliberation Temperature 0~70 oC plusmn,5oC Internal Voltage 3.1~3.5 V plusmn,3% Internal Bias Current 0~100 mA plusmn,10% Internal Tx Power 2 ~ 7 dBm plusmn,3dB Internal Rx Power -30 ~ -7 dBm plusmn,3dB Internal Digital Diagnostic Memory Map EEPROM Serial ID Memory Contents (A0h) Data Address Size (Bytes) Name of Field Contents(Hex) Description 0 1 Identifier 03 SFP 1 1 Ext. Identifier 04 SFP function is defined by serial ID only 2 1 Connector 01 SC Connector 310 8 Transceiver 00 00 00 00 10 10 01 00 Compatibility 11 1 Encoding 01 Encoding Type = 8B10B 12 1 BR, nominal 0D 1.25Gbps 13 1 Reserved 00 14 1 Length(9um)-km 14 Transceiver transmit distance 15 1 Length (9um) C8 16 1 Length (50um) 00 17 1 Length (62.5um) 00 18 1 Length (copper) 00 19 1 Reserved 00 2035 16 Vendor name 44 47 44 51 20 20 20 20 20 20 hellip, 20 LIGHTECS(ASCв…Ў) 36 1 Reserved 00 3739 3 Vendor OUI 00 00 00 4055 16 Vendor PN 44 47 2D 34 42 33 34 32 33 31 53 2D 30 31 20 20 SFE1243-P2+(ASC II) 5659 4 Vendor rev 00 00 00 00 60-61 2 Wavelength 05 D2 Laser Wavelength = 1490 nm 62 1 Reserved 00 63 1 CC BASE xx Check sum of bytes 0 - 62 6465 2 Options 00 12 TX_DISABLE, Lose of Single 66 1 BR, max 05 5% 67 1 BR, min 05 5% 6883 16 Vendor SN xxhellip,xx Programmed By factory 8491 8 Vendor date code xxhellip,xx Programmed By factory 92 1 Diagnostic type 68 1,DDM Implemented 2,Internally calibrated 93 1 Enhanced option 00 94 1 SFF-8472 03 Rev10.2 SFF-8472 95 1 CC_EXT xx Check sum of bytes 64 - 94 96127 32 Vendor specific xx Vendor Specific EEPROM 128-255 128 Reserved Reserved for future use. EEPROM Serial ID Memory Contents (A2h) Data Address Size (Bytes) Name of Field Description Alarm and Warning Thresholds 00-01 2 Temperature High Alarm Set to 90в„ѓ 02-03 2 Temperature Low Alarm Set to -30в„ѓ 04-05 2 Temperature High Warning Set to 85в„ѓ 06-07 2 Temperature Low Warning Set to -20в„ѓ
