Delta Electronics LCP-4250A4CDR User's Manual
Contents
1. 4 The sensitivity is tested at a BER of 1x10 or better with an input signal consisting of 2 1 NRZ PRBS 1 30 1 00 0 80 0 50 0 20 0 00 0 20 Normalized Amplitude 0 00 x1 0 40 0 60 1x1 1 00 Normalized Time in UI Mean level of logical 1 Mean level of logical 0 Mask of the eye diagram for the optical transmit signal DELTA ELECTRONICS INC 2008 3 18 Rev 0A www deltaww com A NELTA SFP Transceiver Electrical Pad Layout lt lt 4 ee TxFault Tx Disable da MOD DEF 2 lt i MOD DEF 1 lt MOD DEF 0 Rate Select o S zu VeeR VeeR Top of Board Bottom of Board as viewed thru top of board Pin Function Definitions Pin Num Name Function Plug Seq Notes VeeT Transmitter Ground TX Fault Transmitter Fault Indication Note 1 Note 2 TX Disable Transmitter Disable MOD DEF2 Module Definition 2 1 2 3 Module disables on high or open 4 5 MOD DEF1 Module Definition 1 6 7 8 9 Note 3 2 wire serial ID interface Note 3 2 wire serial ID interface Note 3 Grounded in Module Note 4 Open or Low 1 063Gb s High 2 125Gb s or 4 25Gb s Note 5 MOD DEFO Module Definition 0 Rate Select 182 or 2 amp 4 Gbit s POPP gt OO Go 0 j LOS Loss of2. 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Notes 1 03 04 07 00 00 00 00 40 40 oc 15 03 2B 00 00 00 OF 07 00 26 44 45 4C 54 41 20 20 20 20 20 20 20 20 20 20 20 00 00 00 00 PN PN PN ASCII Note 1 Note 2 gt Note3 Address 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 Hex PN PN PN PN PN PN PN PN PN PN PN PN PN 30 30 30 0A CW CW 00 CS1 00 3A 00 75 SN SN SN SN SN SN SN SN SN SN SN SN SN SN SN SN DC DC ASCII Note 4 Note 4 Note 5 Note 6 Note 7 Address Hex ASCII 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 Byte 16 Link length supported for 50 125u m MM fiber units of 10 m Byte 17 Link length supported for 62 5 125u m MM fiber units of 10 m Byte 40 55 Delta part 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 Byte 95 Check sum of bytes 64 94 DELTA ELECTRONICS INC 10 DC DC DC DC DC DC 68 F8 02 CS2 Note 8 00 00 00 0
3. 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 In accordance to SFF Committee SFF 8079 Draft Rev 1 6 LOS Loss of Signal is an open collector 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 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 300 mA 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
4. 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Note9 2008 3 18 Rev OA www deltaww com Aneta 9 Byte 128 to 255 had been set hex 00 Digital Diagnostic Monitoring Interface Alarm and Warning Thresholds 2 Wire Address A2h Address 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 45 56 91 92 94 95 96 97 98 99 100 101 102 103 104 105 106 109 110 111 112 119 Notes 1 N o ANYUNYUNNNAWVENNNNNNNNNNNNNNNNNNDNNA 594 Value Dec Temp High Alarm Tc MAX 15 Temp Low Alarm Tc MIN Temp High Warning Tc MAX 10 Temp Low Warning MIN 10 Voltage High Alarm 5 Voltage Low Alarm Vcc 596 Voltage High Warning Vcc 396 Voltage Low Warning Vcc 396 Bias High Alarm lop 10 Bias Low Alarm lop 5 Bias High Warning lop 7 Bias Low Warning lop 3 TX Power High Alarm P 3 TX Power Low Alarm P 3 TX Power High Warning P 2 TX Power Low Warning P 2 RX Power High Alarm Pot3 RX Power Low Alarm Ps 2 RX Power High Warning Po 2 RX Power Low Warning Ps Reversed External Calibration Constants Reversed Checksum Real Time Temperature Real Time Supply Voltage Real Time Tx Bias Current Real Time Tx Optical Power Real Time Rx Received Power Reserved Optional Status Control Bits Reserved Optional Set of Alarm and Warnin
5. 0 Ohm differential load Pull up to Vcc on host Board Internally AC coupled but requires a 100 Ohm differential termination at or internal to Serializer Deserializer Unfiltered 20 8096 DELTA ELECTRONICS INC 2008 3 18 Rev 0A www deltaww com Aneta Optical Characteristics Vcc 3 135V to 3 465V Data Rate 4 25Gb sec PRBS 2 1 NRZ 50 125um MMF Parameter Symbol Min Typ Max Unit Note Transmitter Output Optical Power Avg Po 9 3 dBm 1 Optical Modulation Amplitude 4 25 Gb s 247 i 2 125 Gbis OMA 196 p 2 1 0625 Gb s 156 Center Wavelength A 830 860 nm Spectral Width RMS 0 85 nm Optical Rise Fall Time 20 80 t tr 90 90 psec 3 Relative Intensity Noise RIN 118 dB Hz Complies with the ANSI FC PI Rev 13 specification and is class 1 utpat Eye laser eye safety Receiver Average Receiver Power 3 dBm Sensitivity in OMA 4 25 Gbit s 61 2 125 Gbis Pin 4g UW i 1 062 Gb s 31 Input Optical Wavelength 830 870 nm LOS De asserted Avg Pp 19 dBm LOS Asserted Avg Pa 30 dBm LOS Hysteresis Pp PA 0 5 dB Optical Return Loss ORL 12 dB Notes 1 Into multimode fiber 62 5um or 50um diameter 2 Equivalent extinction ratio specification for Fiber Channel Allows smaller ER at higher average power 3 Measured at nominal data rate These are unfiltered 20 80 values
6. 3 18 Rev 0A www deltaww com Aneta Regulatory Compliance Test Item Reference Qty Evaluation 1 FCC Class B Electromagnetic Interference EN 55022 Class B 5 EMC CISPR 22 pra nup EN 61000 4 3 Electromagnetic Field 1 Satisfied with electrical characteristics of 3 Immunity EN 61000 4 2 product Electrostatic Discharge to IEC 1000 4 2 5 Duplex SC Receptacle IEC 801 2 2 No physical damage 4 Electrostatic Discharge to MIL STD 883C the Electrical Pins Method 3015 4 EIAJ 1988 3 2B 5 Version 2 Machine model Ordering information for SFP modules LCP 4250A4CDRX X Temperature Blank 5 to 70 degree C H 10 to 85 degree C T 40 to 85 degree C DELTA ELECTRONICS INC 13 2008 3 18 Rev 0A www deltaww com
7. A NELTA RoHS Compliant 4 25Gb s Short Wavelength Tri Rate SFP Transceiver for Fiber Channel FEATURES Compliant with SFP transceiver SFF 8472 MSA specification and Fiber Channel FC PI 2 850nm VCSEL laser Built in digital diagnostic monitoring function Compliant with 4 25 2 125 1 0625 Gb s Fiber Channel 400 200 100 5 5 6 5 1 Compliant with Industry Standard RFT Electrical Connector and Cage Duplex LC connector Laser Class 1 Product which comply with the requirements of IEC 60825 1 and IEC 60825 2 Description Applications The LCP 4250A4CDR series are hot pluggable 3 3V Small Form Factor transceiver modules designed expressly for high speed communication applications that require rates of Up to 400m link over OMS MMF Tor 3 072Gbps up to 4 25Gb s It is compliant with the Fiber CPRI application Channel standards FC PI 2 as well as MSA SFF 8472 Tri Rate 1 063 2 125 4 25 Gb s Fiber Channel Transmission Distances The LCP 4250A4CDR transceivers provide with the LC receptacle that is compatible with the industry standard LC connector The Data OMS MMP OM2 MMF OM1 MMF transceiver is also compatible with industry standard RFT connector and cage 4 25Gb s 380m 150m 70m The post amplifier of the LCP 4250A4CDR also 00m om oom includes a LOS Loss Of Signal circuit that 4 0625Gb s 860m 550m 300m provides a TTL logic high output when an unusable o
8. Signal VeeR Receiver Ground Note 6 10 VeeR Receiver Ground Note 6 11 VeeR Receiver Ground Note 6 12 RD Inv Received Data Out Note 7 13 RD Received Data Out Note 8 14 VeeR Receiver Ground Note 6 15 VccR Receiver Power 3 3 5 Note 7 16 VecT Transmitter Power 3 3 5 Note 7 17 VeeT Transmitter Ground Note 6 18 TD Transmit Data In Note 9 19 TD Inv Transmit Data In Note 9 20 VeeT Transmitter Ground Note 6 Plug Seq Pin engagement sequence during hot plugging 4 2008 3 18 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta Notes 1 TX Fault is an open collector drain output which should be pulled up with a 4 7K 10KQ 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 resistor Its states are Low 0 0 8V Transmitter on 20 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
9. e of the Tx disable input pin Read Write bit that allow software disable of laser NA NA Digital state of the Tx fault output pin Digital state of the LOS output pin NA Description Set when internal temperature exceeds high alarm level Set when internal temperature is below low alarm level Set when internal supply voltage exceeds high alarm level Set when internal supply voltage is below low alarm level Set when Tx Bias current exceeds high alarm level Set when Tx Bias current is below low alarm level Set when Tx output power exceeds high alarm level Set when Tx output power is below low alarm level Set when received power exceeds high alarm level Set when received power is below low alarm level Set when internal temperature exceeds high warning level Set when internal temperature is below low warning level Set when internal supply voltage exceeds high warning level Set when internal supply voltage is below low warning level Set when Tx Bias current exceeds high warning level Set when Tx Bias current is below low warning level Set when Tx output power exceeds high warning level Set when Tx output power is below low warning level Set when received power exceeds high warning level Set when received power is below low warning level Typical Value Note 3 C 1 3 2 10 1 5dB 3dB 1 Temperature is measured internal to the transceiver 2 Voltage is measured internal to the transceiver DELTA ELECTRONICS INC 12 2008
10. g Tc Case Operating temperature lop Operating current at room temperature The min setting current is 0 mA P Operating optical power of transmitter at room temperature Po Overload optical power of receiver Ps Sensitivity optical power of receiver 5 Byte 95 contains the low order 8bits of sum of bytes 0 94 11 DELTA ELECTRONICS INC Unit C Volt mA dBm dBm Note 2008 3 18 Rev 0A www deltaww com Aneta 6 State Control Bits Byte 110 110 110 110 110 110 110 110 7 it Name Tx Disable State Soft Tx Disable Reserved Rate Select tate Soft Rate Select Tx Fault LOS Data Ready Bar Optional Set of Alarm and Warning Byte 112 112 112 112 112 112 112 112 113 113 113 116 116 116 116 116 116 116 116 117 117 117 SA Temp High Alarm Temp Low Alarm Vcc High Alarm Vcc Low Alarm Tx Bias High Alarm Tx Bias Low Alarm Tx Power High Alarm Tx Power Low Alarm Rx Power High Alarm Rx Power Low Alarm Reserved Temp High Warning Temp Low Warning Vcc High Warning Vcc Low Warning Tx Bias High Warning Tx Bias Low Warning Tx Power High Warning Tx Power Low Warning Rx Power High Warning Rx Power Low Warning Reserved Digital Diagnostic Monitor Accuracy Parameter Transceiver Temperature Power Supply Voltage TX Bias Current TX Optical Power RX Optical Power Notes Description Digital stat
11. inal 3 From power on or negation of TX_Fault using TX Disable 4 Time from fault to TX fault on 5 Time TX Disable must be held high to reset TX_Fault 6 Time from LOS state to Rx LOS assert 7 Time from non LOS state to Rx LOS deassert DELTA ELECTRONICS INC 2008 3 18 Rev 0A www deltaww com Aneta 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 AOh 2 wire address 1010001 X A2h Alarm and Warning Thresholds 56 bytes Serial ID Defined by SFP MSA 96 bytes Cal Constants 40 bytes Real Time Diagnostic Interface 24 bytes Vender Specific 32 bytes Vender Specific Note 127 127 128 128 User Writable EEPROM 120 bytes Reserved in SFP MSA 247 128 bytes 248 Vender Specific 255 255 8 bytes Digital Diagnostic Memory Map Specific Data Field Descriptions Note 1 Write the password 11h 11h 11h 11h on the bytes of 123 126 of address A2h then the address of bytes 128 255 User Writable can be read and written 9 2008 3 18 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta EEPROM Serial ID Memory Contents 2 Wire Address AOh Address Hex 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17
12. ptical signal level is detected The LCP 4250A4CDR transceiver is a Class 1 eye safety product The optical power levels under normal operation are at eye safe level 1 2008 3 18 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta Absolute Maximum Ratings Parameter Symbol Min Typ Max Unit Note Storage Temperature Ts 40 85 C Supply Voltage Voc 0 5 V Recommended Operating Conditions Parameter Symbol Min Typ Max Unit Note Case Operating Temperature Tc 5 70 C 1 Supply Voltage Voc 3 135 3 465 V Electrical Characteristics 3 135 to 3 465V Parameter Symbol Min Typ Max Unit Note Total Supply Current loc 180 300 mA Transmitter Transmitter Differential Input Voltage Vin pp 0 5 2 4 V 2 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 kO 3 Transmitter Fault Output High 2 Vect0 3 V Transmitter Fault Output Low VIXFL 0 0 8 V Receiver Receiver Differential Output Voltage 0 3 1 V 4 Receiver LOS Load RnxLos 4 7 10 kO 3 LOS Output Voltage Low ViosH 2 Vect0 3 V LOS Output Voltage High 0 0 8 V Output Data Rise Fall Time t t 120 psec 5 Notes 1 Cni ub 097219 See Ordering information for detail Internally AC coupled and terminated to 10
13. sed 6 2008 3 18 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta Package Outline Drawing for Metal Housing with Bail de latch Uni timm DELTA ELECTRONICS INC 57 00 0 20 16 20 0 20 a d 204 LCP XXXXXXXXM qu T E d NELTA XXXXnm XXXBd y Class 1 Laser Product 2 go 2 1 5 gt e 1 aXu cu T 2 1 an i J LE 7 co c ad E un H co 19 E a 55 amp 3 5 5 D 588 m 8 3 H Nie 45 00 0 20 2008 3 18 Rev 0A www deltaww com Aneta SFP timing parameters for SFP management Parameter Symbol Min TX_DISABLE Assert time t_off TX_DISABLE Negate time t_on Time to initialize including reset of TX FAULT E TX Fault Assert Time t fault TX DISABLE to reset t rest 10 LOS Assert Time t loss on LOS Deassert Time t loss off Serial ID Clock Rate f serial clock Notes Max 10 1 300 100 100 100 100 Unit Note usec 1 msec msec usec usec usec usec kHz N 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 nom
14. transceiver module will result in an inrush current of no more than 30 mA greater than the steady state value VccR and VccT may be internally connected within the SFP transceiver module TD These are the differential transmitter inputs They are AC coupled differential lines with 100 O 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 5 2008 3 18 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta Recommend Circuit Schematic vec 33v luH VY DELTA SFP Module RESI 100 OluF 1 24 SAN hour 10k Ohms Tx_Disable 4 Tx_Disablel Tx_Fault 1 Tx_Fault 0 01uF x 100 Ohmg Laser Diode TD 0 01uF VeeT Protocol IC SerDes IC RESI VccR 10uF 0 1uF RD E 0 01uF amp v SINUS RD Photo Diode Rx LOS Rx LOS 0 01uF Rate Select Rate Select 33V 30k Ohms 1 VeeR RESI RESI RESI PLD PAL Mod_def 2 EEPROM Mod_def 1 Mod_def 0 lt RES1 4 7k to 10k Ohms Depands on SerDes IC u
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