DeLOCK SFP 1000Base-LX SM 1310nm
Contents
1. 13 RD Received Data Out 3 Note 5 14 VEER Receiver ground 1 15 Vecer Receiver Power Supply 2 16 Vect Transmitter Power Supply 2 17 Veet Transmitter Ground 1 18 TD Transmit Data In 3 Note 6 19 TD Inv Transmit Data In 3 Note 6 20 Veet Transmitter Ground 1 Notes Plug Seq Pin engagement sequence during hot plugging 1 TX Fault is an open collector output which should be pulled up with a 4 7k 10kO resistor on the host board to a voltage between 2 0V and Vcc 0 3V Logic 0 indicates normal operation Logic 1 indicates a laser fault of some kind In the low state the output will be pulled to less than 0 8V 2 TX Disable is an input that is used to shut down the transmitter optical output It is pulled up within the module with a 4 7k 10kQ resistor Its states are Low 0 to 0 8V Transmitter on gt 0 8V lt 2 0V Undefined High 2 0 to 3 465V Transmitter Disabled Open Transmitter Disabled 3 Mod Def 0 1 2 These are the module definition pins They should be pulled up with a 4 7k 10kQ resistor on the host board The pull up voltage shall be VccT or VccR Mod Def 0 is grounded by the module to indicate that the module is present Mod Def 1 is the clock line of two wire serial interface for serial ID Mod Def 2 is the data line of two wire serial interface for serial ID 4 LOS is an open collector output which should be pulled up with a 4 7k 10kO resistor Pull up voltage between 2 0V and Vcec 0 3V Logic 1 indicates loss of sig2. ae we move the world 1 25Gbps SFP Optical Transceiver 20km Reach Features Dual data rate of 1 25Gbps 1 063Gbps operation 1310nm FP laser and PIN photodetector for 20km transmission Compliant with SFP MSA and SFF 8472 with duplex LC receptacle Digital Diagnostic Monitoring Internal Calibration or External Calibration Compatible with ROHS 3 3V single power supply Operating case temperature Standard 0to 70 C Industrial 40 to 85 C Applications Gigabit Ethernet Fiber Channel Switch to Switch interface Switched backplane applications Router Server interface o Other optical transmission systems Description The SFP transceivers are high performance cost effective modules supporting dual data rate of 1 25Gbps 1 0625Gbps and 20km transmission distance with SMF The transceiver consists of three sections a FP laser transmitter a PIN photodiode integrated with a trans impedance preamplifier TIA and MCU control unit All modules satisfy class laser safety requirements The transceivers are compatible with SFP Multi Source Agreement MSA and SFF 8472 For further p Lon we move the world information please refer to SFP MSA TD TxFault TxDis Absolute Maximum Ratings Table 1 Absolute Maximum Ratings Parameter Symbol Min Max Unit Supply Voltage Vcc 0 5 4 5 V Storage Temperature T
3. nal Logic 0 indicates normal operation In the low state the output will be pulled to less than 0 8V 5 RD These are the differential receiver outputs They are internally AC coupled 100 differential lines which should be terminated with 100Q differential at the user SERDES 6 TD These are the differential transmitter inputs They are internally AC coupled differential lines with 100Q differential termination inside the module pran we move the world Recommended Interface Circuit TX Disable O o SerDat Out Z 508 TD H Laser driver SerDat Out Z 50Q TD Amplifier SerDat In SERDES IC SerDat In Z 50 MOD DEF2 A i we move the world Mechanical Dimensions Ordering information Part Number Product Description 86187 1310nm 1 25Gbps 20km 0 C 70 C 86189 1310nm 1 25Gbps 20km 40 C 85 C With Digital Diagnostic Monitoring
4. ng The digital diagnostic memory map specific data field defines as following 2 wire address 1010000X AOh 2 wire address 1010001X A2h 0 0 Alarm and Warning Thresholds 56 bytes Serial ID Defined by 55 SFP MSA 96 bytes Cal Constants 40 bytes 95 Real Time Diagnostic Interface 24 bytes 95 Vendor Specific 32 bytes 119 Vendor Specific 8 bytes 127 127 Reserved in SFP MSA 128 bytes User Writable EEPROM 120 bytes 247 255 Vendor Specific 8 bytes 255 ae we move the world Pin Definitions Pin Diagram 20 VeeT 1 VeeT 19 TD 2 TxFault 18 TD 3 Tx Disable 17 VeeT 4 MOD DEF 2 16 VecT 5 MOD DEF 1 15 VccR 6 MOD DEF 0 14 VeeR 7 Rate Select 13 RD 8 LOS RO 9 VeeR 10 VeeR Bottom of Board as viewed Top of Board thru top of board DoE we move the world Pin Descriptions Pin Signal Name Description Plug Seq Notes 1 Veet Transmitter Ground 1 2 TX FAULT Transmitter Fault Indication 3 Note 1 3 TX DISABLE Transmitter Disable 3 Note 2 4 MOD_DEF 2 SDA Serial Data Signal 3 Note 3 5 MOD_DEF 1 SCL Serial Clock Signal 3 Note 3 6 MOD_DEF 0 TTL Low 3 Note 3 7 Rate Select Not Connected 3 8 LOS Loss of Signal 3 Note 4 9 VEER Receiver ground 1 10 VEER Receiver ground 1 11 VEER Receiver ground 1 12 RD Inv Received Data Out 3 Note 5
5. s 40 85 C Operating Humidity 5 85 Recommended Operating Conditions Table 2 Recommended Operating Conditions Parameter Symbol Min Typical Max Unit Standard 0 70 C Operating Case Temperature Tc Industrial 40 85 C Power Supply Voltage Vcc 3 13 3 3 3 47 V Power Supply Current Icc 300 mA Gigabit Ethernet 1 25 Data Rate Gbps Fiber Channel 1 063 a we move the world Optical and Electrical Characteristics FP and PIN 1310nm 20km Reach Table 3 Optical and Electrical Characteristics Parameter Symbol Min Typical Max Unit Notes Transmitter Centre Wavelength Ac 1260 1310 1360 nm Spectral Width RMS AA 4 nm Average Output Power Pout 9 3 dBm 1 Extinction Ratio ER 9 dB Optical Rise Fall Time 20 80 tr tf 0 26 ns Data Input Swing Differential Vin 400 1800 mV 2 Input Differential Impedance ZIN 90 100 110 Q Disable 2 0 Vcc V TX Disable Enable 0 0 8 V Fault 2 0 Vcc V TX Fault Normal 0 0 8 V Receiver Centre Wavelength Ac 1260 1580 nm Receiver Sensitivity 23 dBm 3 Receiver Overload 3 dBm 3 LOS De Assert LOSp 24 dBm LOS Assert LOSa 30 dBm LOS Hysteresis 1 4 dB Data Output Swing Differential Vout 400 1800 mV 4 High 2 0 Vcc V LOS Low 0 8 V Notes 1 The optical power is launched into SMF 2 PECL input internally AC coupled and terminated 3 Measured with a PRBS 27 1 test pat
6. tern 1250Mbps BER lt 1 10 2 4 Internally AC coupled a we move the world Timing and Electrical Table 4 Timing and Electrical Parameter Symbol Min Typical Max Unit Tx Disable Negate Time ton 1 ms Tx Disable Assert Time t_off 10 Us Time To Initialize including Reset of Tx Fault t_init 300 ms Tx Fault Assert Time t_fault 100 Us Tx Disable To Reset t_reset 10 Us LOS Assert Time t_loss_on 100 us LOS De assert Time t_loss_off 100 us Serial ID Clock Rate f_serial_clock 400 KHz MOD_DEF 0 2 High Vi 2 Vcc V MOD_DEF 0 2 Low VL 0 8 V Diagnostics Table 5 Diagnostics Specification Parameter Range Unit Accuracy Calibration 0 to 70 Temperature C 3 C Internal External 40 to 85 Voltage 3 0 to 3 6 V 3 Internal External Bias Current O to 100 mA 10 Internal External TX Power 9 to 3 dBm 3dB Internal External RX Power 23 to 3 dBm 3dB Internal External as we move the world Digital Diagnostic Memory Map The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2 wire serial interface SCL SDA The diagnostic information with internal calibration or external calibration all are implemented including received power monitoring transmitted power monitoring bias current monitoring supply voltage monitoring and temperature monitori
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