Delta Electronics LCP-1250 User's Manual
Contents
1. 57 0050 0 46 20 0 10 LB c Qj n lt C 4 E lt 2 1 x a V D ies nd 1 C 114 lt J cL O E i 224 i N Y By 3 ERRE P TAES EN ER eS 45 00 0 20 g H m i EA L FA z id E 2 CLE 7 Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com Aneta SFP timing parameters for SFP management Parameter Symbol Min Max Unit Note TX_DISABLE Assert time t_off 10 usec 1 TX_DISABLE Negate time t_on 1 msec 2 Time to initialize includin M reset of TX FAULT 5 En uM mses TX Fault Assert Time t fault 100 usec 4 TX_DISABLE to reset t_rest 10 usec 5 LOS Assert Time t_loss_on 100 usec 6 LOS Deassert Time t_loss_off 100 usec 7 Serial ID Clock Rate f_serial_clock 100 kHz Notes 1 Time from rising edge of TX_DISABLE to when the optical output falls below 10 of nominal 2 Time from falling edge of TX_DISABLE to when the modulated optical output rises above 90 of nominal From power on or negation of TX_Fault using TX Disable Time from fault to TX fault on Time TX Disable must be held high to reset TX_Fault Time from LOS state to Rx LOS assert Time from non LOS state to Rx2. LOS deassert A we SSS SS N DELTA ELECTRONICS INC Nov 2006 Rev 6B www deltaww com A NELTA Enhanced Digital Diagnostic Interface The memory map in the following describes an extension to the memory map defined in SFP MSA The enhanced interface uses the two wire serial bus address 1010001X A2h to provide diagnostic information about the module s present operating conditions 2 wire address 1010000 X Serial ID Defined by SFP MSA 96 bytes Vender Specific 32 bytes Reserved in SFP MSA 128 bytes 2 wire address 1010001 X A2h Alarm and Warning Thresholds 56 bytes Cal Constants 40 bytes Real Time Diagnostic Interface 24 bytes Vender Specific User Writable EEPROM 120 bytes Vender Specific 8 bytes Digital Diagnostic Memory Map Specific Data Field Descriptions DELTA ELECTRONICS INC Nov 2006 Rev 6B www deltaww com Aneta EEPROM Serial ID Memory Contents 2 Wire Address AOh Address Hex 00 01 02 NOOO 20 N 03 04 07 00 XX XX XX XX XX ASCII Note 1 Note 2 Note 3 gt Note 4 Address 43 44 45 Hex PN PN ASCII Note 5 Note 5 Note 6 Note 7 Note 8 Address Hex ASCII 86 87 88 Byte 3 10 Code for electronic compatibility or optical compatibility Byte 14 Transmission distance in km Byte 15 Transmission distance in 100m distance gt 25 5km FFh Byte 40 55 Delta p
3. Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com
4. Out 3 Note 7 14 VeeR Receiver Ground 1 Note 5 15 VccR Receiver Power 2 3 3 5 Note 7 16 VccT Transmitter Power 2 3 3 5 Note 7 17 VeeT Transmitter Ground 1 Note 5 18 TD Transmit Data In 3 Note 8 19 TD Inv Transmit Data In 3 Note 8 20 VeeT Transmitter Ground 1 Note 5 Plug Seq Pin engagement sequence during hot plugging Notes 1 DELTA ELECTRONICS INC TX Fault is an open collector drain output which should be pulled up with a 4 7K 10 resistor on the host board Pull up voltage between 2 0V and VccT R 0 3V When high output indicates a laser fault of some kind Low indicates normal operation In the low state the output will be pulled to lt 0 8V 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 7 10 K O resistor Its states are Low 0 0 8V Transmitter on 70 8 lt 2 0V Undefined High 2 0 3 465V Transmitter Disabled Open Transmitter Disabled Mod Def 0 1 2 These are the module definition pins They should be pulled up with a 4 7K 10KOresistor on the host board The pull up voltage shall be VccT or VccR see Section IV for further details 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 LOS Loss of Signal is an open c
5. Aneuta RoHS Compliant Single Mode SFP Transceiver for GbE and Fiber Channel Description The LCP 1250 series are hot pluggable 3 3V Small Form Factor transceiver modules designed expressly for high speed communication applications that require rates up to 1 25Gb s The transceiver is data rate transparent which means it can support GbE 1 25Gb s as well as 1x Fiber channel 1 062Gb s operations The LCP 1250 series are designed to be compliant with SFP Multi source Agreement MSA Digital diagnostic monitoring functions Temperature Vcc TX optical power TX laser bias current and RX received optical power compliant with SFF 8472 are also available See order information for details The post amplifier of the LCP 1250 series also includes a Loss of Signal LOS circuit that provides a TTL logic high output when the received optical level is below a preset LOS Assert threshold DELTA ELECTRONICS INC FEATURES Compliant with SFP Transceiver SFF 8472 MSA specification with internal calibration Compliant with Specifications for IEEE 802 3z Gigabit Ethernet Single 3 3V Power Supply and TTL Logic Interface EEPROM with Serial ID Functionality Laser Class 1 Product which comply with the requirements of IEC 60825 1 and IEC 60825 2 Duplex LC Connector interface Applications Gigabit Ethernet Switch to Switch interface Switched backplane applications File server interfa
6. R of 1x10 or better with an input signal consisting of 1250Mb s 27 1 PRBS and 94 3 Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com A NELTA Mean level of logical 1 0 50 Amplitude 0 20 0 00 0 20 Mean level of logical 0 0 00 0 22 0 375 0 625 0 78 1 00 Time Mask of the eye diagram for the optical transmit signal SFP Transceiver Electrical Pad Layout ee TxFault ET ea ixlixlizxlia lt 8 Fis 2 511 115 2 Tx Disable MOD DEF 2 MOD DEF 1 MOD DEF 0 g Rate Select lt E z w l E Bottom of Board as viewed thru top of board Top of Board 4 Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com Aneuta Pin Function Definitions Pin Num Name Function Plug Seq Notes 1 VeeT Transmitter Ground 1 2 TX Fault Transmitter Fault Indication 3 Note 1 Note 2 3 TX Disable Transmitter Disable 3 Module disables on high or open 4 MOD DEF2 Module Definition 2 3 Note 3 2 wire serial ID interface 5 MOD DEF1 Module Definition 1 3 Note 3 2 wire serial ID interface 6 MOD DEFO Module Definition O 3 Note 3 Grounded in Module 7 Rate Select Not Connect 3 Function not available 8 LOS Loss of Signal 3 Note 4 9 VeeR Receiver Ground 1 Note 5 10 VeeR Receiver Ground 1 Note 5 11 VeeR Receiver Ground 1 Note 5 12 RD Inv Received Data Out 3 Note 6 13 RD Received Data
7. ansceiver module TD These are the differential transmitter inputs They are AC coupled differential lines with 1000 differential termination inside the module The AC coupling is done inside the module and is thus not required on the host board The inputs will accept differential swings of 500 2400 mV 250 1200 mV single ended though it is recommended that values between 500 and 1200 mV differential 250 600 mV single ended be used for best EMI performance Recommend Circuit Schematic VCC 3 3V luH TES s eV Protocol Vcc D E LTA 5 M od ule RESI 10uF a 3 10k Ohms Tx_Disable Tx_Disable Tx_Fault Tx_Fault TD 0 01uF Laser Driver 100 Ohmg E Laser Diode TD 0 01uF lt 5 VeeT Protocol IC SerDes IC IL X VccR RD 0 01uF Preamp amp Quantizer 4 100 Ohms 1 Photo Diode RD 0 01uF Rx_LOS Rx LOS VeeR RESI 2 RESI 2 RESI Mod def 2 PLD PAL E Mod def 1 Mod def 0 VW RES1 4 7k to 10k Ohms Depands on SerDes IC used 6 Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com Aneta Package Outline Drawing
8. art number Byte 60 61 The center wavelength of transmitter Byte 63 Check sum of bytes 0 62 Byte 68 83 Serial number Byte 84 91 Date code DELTA ELECTRONICS INC 10 CS2 Note 9 00 Note 10 Nov 2006 Rev 6B www deltaww com Annette Byte 95 Check sum of bytes 64 94 Byte 128 to 255 had been set hex 00 Digital Diagnostic Monitoring Interface Alarm and Warning Thresholds 2 Wire Address A2h Address E Name Value Dec Unit Note 00 01 2 Temp High Alarm Tc MAX 15 C 1 02 03 2 Temp Low Alarm Tc MIN 04 05 2 Temp High Warning Tc MAX 10 06 07 2 Temp Low Warning MIN 10 08 09 2 Voltage High Alarm 5 Volt 10 11 2 Voltage Low Alarm Vcc 596 12 13 2 Voltage High Warning Vcc 396 14 15 2 Voltage Low Warning Vcc 396 16 17 2 Bias High Alarm lop 2 35 mA 2 18 19 2 Bias Low Alarm lop 13 20 21 2 Bias High Warning lop 2 30 22 23 2 Bias Low Warning lop 8 24 25 2 TX Power High Alarm P 3 dBm 3 26 27 2 TX Power Low Alarm P 3 28 29 2 TX Power High Warning P 2 30 31 2 TX Power Low Warning P 2 32 33 2 RX Power High Alarm Pot 3 dBm 4 34 35 2 RX Power Low Alarm Ps 2 36 37 2 RX Power High Warning 2 38 39 2 RX Power Low Warning Ps 40 45 16 Reversed 56 91 36 External Calibration Constants 92 94 3 Reversed 95 1 5 96 97 2 Real Time Temperature 98 99 2 Real Time Supply Voltage 100 101 2 Real Time Tx Bias Current 102 103 2 Real Time Tx Optical Power 104 105 2 Real Time Rx Recei
9. ce Performance LCP 1250BAMxx 1310nm DFB laser 21dB link budget 40km LCP 1250DAMxx 1550nm DFB laser 17dB link budget 40km LCP 1250DAWXxx 1550nm DFB laser 21dB link budget 70km LCP 1250D4Rxx 1550nm DFB laser 25dB link budget 80km LCP 1250D4Vxx 1550nm DFB laser 30dB link budget 100km Nov 2006 Rev 6B www deltaww com Aneta Absolute Maximum Ratings Parameter Symbol Min Typ Max Unit Note Storage Temperature Ts 40 85 C Supply Voltage Vcc 0 5 V Recommended Operating Conditions Parameter Symbol Min Typ Max Unit Note Case Operating Temperature TC 5 70 C 1 Supply Voltage Vcc 3 135 3 465 V Note 1 See order information Electrical Characteristics Vcc73 3V 26 5 Symbol Min Typ Max Unit Note Total Supply Current ICCT 300 mA Transmitter Transmitter Differential Input Voltage VDT 0 5 2 4 V 1 Transmitter Disable Input High 2 Vect0 3 V Transmitter Disable Input Low Vois 0 0 8 V Transmitter Fault Pull up Resistor FAULT 4 7 10 kQ 2 Transmitter Fault Output High VIXFH 2 Voect0 3 V 2 Transmitter Fault Output Low VIXEL 0 0 8 V 2 Receiver Receiver Differential Output Voltage VDR 0 35 2 V 3 Receiver LOS Load RgxLos 4 7 10 2 LOS Output Voltage High ViosH 2 Voect0 3 V 2 LOS Output Voltage Low VLosL 0 0 8 V 2 Output Data Rise Fall Time t tr 220 psec 4 Notes 1 Internally AC coupled and terminated to 100O
10. er High Alarm Set when Tx output power exceeds high alarm level 112 0 Tx Power Low Alarm Set when Tx output power is below low alarm level 113 7 Rx Power High Alarm Set when received power exceeds high alarm level 113 6 Rx Power Low Alarm Set when received power is below low alarm level 113 5 0 Reserved 116 7 Temp High Warning Set when internal temperature exceeds high warning level 116 6 Temp Low Warning Set when internal temperature is below low warning level 116 5 Vcc High Warning Set when internal supply voltage exceeds high warning level 116 4 Vcc Low Warning Set when internal supply voltage is below low warning level 116 3 Tx Bias High Warning Set when Tx Bias current exceeds high warning level 116 2 Tx Bias Low Warning Set when Tx Bias current is below low warning level 116 1 Tx Power High Warning Set when Tx output power exceeds high warning level 116 0 Tx Power Low Warning Set when Tx output power is below low warning level 117 7 Rx Power High Warning Set when received power exceeds high warning level 117 6 Rx Power Low Warning Set when received power is below low warning level 117 5 0 Reserved Digital Diagnostic Monitor Accuracy Parameter Transceiver Temperature Power Supply Voltage TX Bias Current TX Optical Power RX Optical Power Notes Typical Value 3 C 3 10 1 5dB 3dB 1 Temperature is measured internal to the transceiver DELTA ELECTRONICS INC 12 Note Nov 2006 Rev 6B www deltaw
11. hm differential load 2 Pull up to Vcc on host Board 3 Internally AC coupled but requires a 100Ohm differential termination at or internal to Serializer Deserializer 4 These are 2096 8096 values 2 Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com Aneta Optical Characteristics Voc 3 3V 5 Data Rate 1250Mb sec PRBS 2 1 NRZ Parameter Symbol Min Typ Max Unit Note Transmitter Output Optical Power Avg LCP 1250B4Mxx 3 1 LCP 1250D4Mxx 4 1 LCP 1250D4Wxx Po 3 2 dBm LCP 1250D4Rxx 0 5 LCP 1250D4Vxx 0 5 Optical Extinction Ratio 9 dB Center Wavelength LCP 1250B4 Series Ac 1274 1310 1355 nm LCP 1250D4 Series 1530 1550 1570 Spectral Width LCP 1250B4Mxx 20dB o 1 nm LCP 1250D4 Series 20dB 1 Side mode Suppression Ratio LCP 1250B4Mxx SMSR 30 dB LCP 1250D4 Series 30 Optical Rise Fall Time t t 260 psec 1 Relative Intensity Noise RIN 120 dB Hz Output Eye Compliant with IEEE 802 3z Receiver Sensitivity Avg LCP 1250B4Mxx 24 LCP 1250D4Mxx 21 LCP 1250D4Wxx Pin 24 dpm 2 LCP 1250D4Rxx 25 LCP 1250D4Vxx 30 Input Optical Wavelength 1270 1570 LOS Deasserted Avg LCP 1250B4Mxx 24 LCP 1250D4Mxx 21 LCP 1250D4Wxx Pa 24 Bm LCP 1250D4Rxx 25 LCP 1250D4Vxx 30 LOS Asserted Avg Pp 40 dBm LOS Hysteresis 0 5 Overload LCP 1250B4Mxx 1 LCP 1250D4 Series Po 4 GB Ih LCP 1250D4Vxx 9 Notes 1 These are unfiltered 20 80 values 2 The sensitivity is provided at a BE
12. ollector drain output which should be pulled up with a 4 7K 10KO resistor Pull up voltage between 2 0V and VccT R 0 3V When high this output indicates the received optical power is below the worst case receiver sensitivity as defined by the standard in use Low indicates normal operation In the low state the output will be pulled to 0 8V VeeR and VeeT may be internally connected within the SFP module RD These are the differential receiver outputs They are AC coupled 1000 differential lines which should be terminated with 1000 differential at the user SERDES The AC coupling is done inside the 5 Nov 2006 Rev 6B www deltaww com Aneta module and is thus not required on the host board The voltage swing on these lines will be between 370 and 2000 mV differential 185 1000 mV single ended when properly terminated VccR and VccT are the receiver and transmitter power supplies They are defined as 3 3V 5 at the SFP connector pin Maximum supply current is 300mA Recommended host board power supply filtering is shown below Inductors with DC resistance of less than 1 ohm should be used in order to maintain the required voltage at the SFP input pin with 3 3V supply voltage When the recommended supply filtering network is used hot plugging of the SFP transceiver module will result in an inrush current of no more than 30mA greater than the steady state value VccR and VccT may be internally connected within the SFP tr
13. ved Power 106 109 4 Reserved 110 1 Optional Status Control Bits 6 111 1 Reserved 112 119 8 Optional Set of Alarm and Warning 7 Notes 1 Tc Case Operating temperature 2 lop Operating current at room temperature min setting current is 0 mA 3 P Operating optical power of transmitter at room temperature 4 Overload optical power of receiver Ps Sensitivity optical power of receiver 11 Nov 2006 Rev 6B DELTA ELECTRONICS INC www deltaww com Aneta 5 Byte 95 contains the low order 8bits of sum of bytes 0 94 6 State Control Bits Byte Bit Name Description 110 7 Tx Disable State Digital state of the Tx disable input pin 110 6 Soft Tx Disable Read Write bit that allow software disable of laser 110 5 Reserved 110 4 Rate Select tate NA 110 3 Soft Rate Select NA 110 2 Tx Fault Digital state of the Tx fault output pin 110 1 LOS Digital state of the LOS output pin 110 0 Data Ready Bar NA 7 Optional Set of Alarm and Warning Byte Bit Name Description 112 7 Temp High Alarm Set when internal temperature exceeds high alarm level 112 6 Temp Low Alarm Set when internal temperature is below low alarm level 112 3j Vcc High Alarm Set when internal supply voltage exceeds high alarm level 112 4 Vcc Low Alarm Set when internal supply voltage is below low alarm level 112 3 Tx Bias High Alarm Set when Tx Bias current exceeds high alarm level 112 2 Tx Bias Low Alarm Set when Tx Bias current is below low alarm level 112 1 Tx Pow
14. w com Aneuta 2 Voltage is measured internal to the transceiver Regulatory Compliance Test Item Reference Qty Evaluation 1 Electromagnetic Interference Class EMC EN 55022 Class B 5 CISPR 22 ee ys EN 61000 4 3 Radio Frequency 5 m IEC 1000 4 3 Electromagnetic Field LE f ar TE 1 Satisfied with electrical characteristics of ammang roduct spec Electrostatic Discharge to the MES 5 P ian Duplex SC Receptacle IEC 801 2 84 Electrostatic Discharge to 2 No physical damage the Electrical Pins MIL STD 883C Method 3015 4 EIAJ 1988 3 2B 5 Version 2 Machine model Ordering information for SFP modules LCP 1250X1X2X3X4Xs5X X Fiber X Digital Diagnostic Function B Single mode 1310nm S without digital diagnostic function D Single mode 1550nm D with digital diagnostic function Power Supply Voltage and SD Level Xs RoHS Compliance 4 3 3V TTL SD Level R RoHS Compliant Distance Xs Temperature M 40km Blank 5 to 70 degree C W 70km H 10 to 85 degree C R 80km T 40 to 85 degree C V 100km DELTA ELECTRONICS INC 13 Nov 2006 Rev 6B www deltaww com Aneta Revision History Rev Date Contents 6A Aug 2006 First release 6B Nov 2006 1 add spec of RIN in data sheet 2 To Change spec of sensitivity for LCP 1250B4MDRx and LCP 1250D4RDRx 3 To change spec of Tx optical power for LCP 1250B4MDRx 14
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