Delta Electronics LCP-2488A4EDRxM User's Manual
Contents
1. jid 7 EI A LJ Y ip E lt gt 6 25 0 05 So m In C A NN S i 45 00 0 20 I Es Uni t imm Le oll 2 m 4 E n 1 1 7 Nov 2006 DELTA ELECTRONICS INC www deltaww com Aneta SFP timing parameters for SFP management LCP 2488A4EDRxM Parameter Symbol Min Max Unit Note TX_DISABLE Assert time t_off 10 usec 1 TX_DISABLE Negate time t_on 1 msec 2 s00 3 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 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 Nov 2006 Rev 0A www deltaww com A DELTA LCP 2488A4EDRxM Enhanced Digital Diagnostic Interface The memory map in the following describes an extension t2. 2 Voltage Low Warning Vcc 396 16 17 2 Bias High Alarm lop 10 18 19 2 Bias Low Alarm lop 5 20 21 2 Bias High Warning lopt7 22 23 2 Bias Low Warning lop 3 24 25 2 TX Power High Alarm P 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 Pot3 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 Checksum 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 Received Power 106 109 4 Reserved 110 1 Optional Status Control Bits 111 1 Reserved 112 119 8 Optional Set of Alarm and Warning Notes 1 Tc Case Operating temperature 2 3 P Operating optical power of transmitter at room temperature 4 Overload optical power of receiver DELTA ELECTRONICS INC Operating current at room temperature The min setting current is 0 mA Unit 15 Volt mA dBm dBm Note Nov 2006 Rev 0A www deltaww com ADELTA LCP 2488A4EDRxM Ps Sensitivity optical power of receiver 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 allo
3. 0 Mean level of logical 0 0 25 0 00 1 00 Optical Pulse Mask with Bessel Filter Specified ITU T G 957 Mask of the eye diagram for the optical transmit signal Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com A DELTA LCP 2488A4EDRxM SFP Transceiver Electrical Pad Layout VeeT TxFault Tx Disable MOD DEF 2 lt MOD DEF 1 MOD DEF 0 Rate Select LOS Bottom of Board as viewed Top of Board thru top of board 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 DEF 1 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 Out 3 Note 7 14 VeeR Receiver Ground 1 Note 5 15 VccR Receiver Power 2 3 3 5 Note 7 16 VecT Transmitter Power 2 3 3 5 Note 7 17 VeeT Transmitter Ground 1 Note 5 18 TD Transmit Data In 3 Note 8 19
4. 00 20 44 D 63 CS1 Note 6 106 00 21 45 64 00 107 00 22 4 L 65 1A 108 00 23 54 T 66 05 109 00 24 41 A 67 05 110 00 25 20 68 SN Note 7 111 00 26 20 69 SN 112 00 27 20 70 SN 113 00 28 20 71 SN 114 00 29 20 72 SN 115 00 30 20 73 SN 116 00 31 20 74 SN 117 00 32 20 75 SN 118 00 33 20 76 SN 119 00 34 20 77 SN 120 00 35 20 78 SN 121 00 36 00 79 SN 122 00 37 00 80 SN 123 00 38 00 81 SN 124 00 39 00 82 SN 125 00 40 PN Note4 83 SN 126 00 41 PN 84 DC Note 8 127 00 42 PN 85 DC 128 00 Note 10 Notes 1 Byte 3 10 Code for electronic compatibility or optical compatibility 2 Byte 16 Link length supported for 50 125 u m MM fiber units of 10 m 3 Byte 17 Link length supported for 62 5 125 u m MM fiber units of 10 m 4 Byte 40 55 Delta part number 5 Byte 60 61 The center wavelength of transmitter 6 Byte 63 Check sum of bytes 0 62 7 Byte 68 83 Serial number 10 Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com LCP 2488A4EDRxM Byte 84 91 Date code Byte 95 Check sum of bytes 64 94 10 Byte 128 to 255 had been set hex 00 Digital Diagnostic Monitoring Interface Alarm and Warning Thresholds 2 Wire Address A2h Address Es Name Value Dec 00 01 2 Temp High Alarm Tc MAX 15 02 03 2 Temp Low Alarm Tc MIN 04 05 2 Temp High Warning Tc MAX 10 06 07 2 Temp Low Warning Tc MIN 10 08 09 2 Voltage High Alarm 5 10 11 2 Voltage Low Alarm Vec 5 12 13 2 Voltage High Warning Vcc 396 14 15
5. 7 X Fiber Xs A Multi mode 850nm Power Supply Voltage and SD Level 4 3 3V TTL SD Level X3 Distance E 300m Digital Diagnostic Function D DDM series with digital diagnostic function DELTA ELECTRONICS INC R RoHS Compliant Temperature Blank 5 to 70 degree C H 10 to 85 degree C T 40 to 85 degree C X7 Rate Blank single rate 2488Mbps M Multi rate Nov 2006 Rev 0A www deltaww com
6. Aneuta LCP 2488A4EDRxM RoHS Compliant Multirate Small Form Factor Pluggable Transceiver for SONET OC 48 SDH STM 16 with Digital Diagnostic Function Description The LCP 2488A4EDRxM is hot pluggable 3 3 Small Form Factor transceiver modules designed expressly for high speed communication applications that require rates up to 2 5Gb s The transceiver is data rate transparent which means it can comply with Gigabit Ethernet as specified in IEEE Std 802 3 and Fibre Channel FC PI 13 0 They are compatible with SONET OC 48 SONET OC 12 and SONET OC 3 standards The LCP 2488A4EDRxM is designed to be compliant with SFF 8472 SFP Multi source Agreement MSA with five digital monitoring functions Temperature Vcc TX optical power TX laser bias current and RX received optical power The post amplifier of the LCP 2488A4EDRxM 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 the 2 125GBd Fiber Channel 200 5 5 Rev 13 Compliant with the 1 0625GBd Fiber Channel 100 5 5 Rev 13 Compliant with Specifications for IEEE 802 3z Gigabit Ethernet Single 3 3V Power Supply and TTL Logic Interface Laser Class 1 Product which comply with the
7. TD Inv Transmit Data In 3 Note 8 20 VeeT Transmitter Ground 1 Note 5 Plug Seq Pin engagement sequence during hot plugging 4 Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com A DELTA LCP 2488A4EDRxM Notes 1 3 5 7 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 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 70 8 lt 2 0 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 collector drain output which should be pulled up with a 4 7K 10 resistor Pull up voltage between 2 0V and VccT R 0 3V When high this output
8. 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 lt 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 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 an inrush current of no more than 30mA 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 1000 differential termination inside the module The AC coupling is done inside the
9. ly AC coupled and terminated to 100Ohm differential load 2 Pull up to Vcc on host Board 3 Internally AC coupled but requires a 100 Ohm differential termination at or internal to Serializer Deserializer 4 These are 2096 8096 values DELTA ELECTRONICS INC Nov 2006 Rev 0A www deltaww com Aneta Optical Characteristics Vcc 3 3V 5 Data Rate 2 488Gb sec PRBS 27 1 NRZ LCP 2488A4EDRxM Parameter Symbol Min Typ Max Unit Note Transmitter Output Optical Power Avg Po 9 5 4 dBm Optical Extinction Ratio ER 8 2 dB Center Wavelength AC 830 850 860 nm Spectral Width RMS 0 0 85 Optical Rise Fall Time t tr 150 200 psec 1 Relative Intensity Noise RIN 117 dB Hz Output Eye Complies with the IEEE 802 3z D2 specification and is class 1 laser eye safety Receiver Sensitivity Avg OC 48 17 2 amp 2x Fibre Channel 17 3 Gigabit Ethernet PIN 17 3 12 20 2 3 21 2 Input Optical Wavelength 850 nm LOS De asserted Avg PA 17 dBm LOS Asserted Avg PD 30 dBm LOS Hysteresis PA PD 0 5 dB Overload Po 3 dBm Notes 1 These are 2096 8096 values 2 Measured with 9dB extinction ratio light source and PRBS 275 1 test pattern 3 Measured with 9dB extinction ratio light source and PRBS 27 1 test pattern 1 25 1 00 Mean level of logical 17 0 75 B 3 025 0 0
10. 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 Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com 1 LCP 2488A4EDRxM Recommend Circuit Schematic vec 33 Protocol Vcc ar ns T D E LTA 5 M od ule RESI louF o r 10k Ohms Tx_Disable Tx_Disable Tx_Fault Tx_Fault m Laser Driver 100 Ohm E dod TD 0 01uF lt 5 VeeT Protocol IC SerDes IC RESI d t VccR 100 0 1uF RD 0 01uF T Photo Diode RD 0 01uF Rx_LOS 4 Rx LOS VW VeeR RES 2 RESI 2 RESI PLD PAL EEPROM Mod_def 1 Mod def 0 55 RES1 4 7k to 10k Ohms Depands on SerDes IC used 6 Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com A DELTA LCP 2488A4EDRxM Package Outline Drawing 27 0020 10 46200 10 Ix a NEN S a lt 4 C pee HI HI SS N gt X oF i 2 L d 2 1 m
11. o 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 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 127 128 User Writable EEPROM Reserved in SFP MSA 120 bytes 128 bytes Vender Specific 8 bytes 255 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 Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com A DELTA LCP 2488A4EDRxM EEPROM Serial ID Memory Contents 2 Wire Address AOh Address Hex ASCII Address Hex ASCII Address Hex ASCII 00 03 43 PN 86 DC 01 04 44 PN 87 DC 02 07 45 PN 88 DC 03 00 Note 1 46 PN 89 DC 04 00 47 PN 90 DC 05 00 48 PN 91 DC 06 49 92 68 07 50 93 0 08 51 PN 94 02 09 XX 52 PN 95 CS2 Note 9 10 XX 53 PN 96 00 11 05 54 97 00 12 19 55 98 00 13 00 56 30 99 00 14 00 57 30 100 00 15 00 58 30 101 00 16 Note 2 59 0 102 00 17 Note 3 60 CW Note 5 103 00 18 00 61 CW Note 5 104 00 19 00 62 00 105
12. requirements of IEC 60825 1 and IEC 60825 2 Duplex LC Connector interface Applications SONET OC 48 STM 1 SONET OC 12 STM 4 SONET OC 3 STM 16 Gigabit Ethernet Fibre Channel Performance CP 2488A4EDRxM Data Link up to 300m in 50 125um Multi Mode Fiber Nov 2006 Rev 0A www deltaww com Aneta Absolute Maximum Ratings LCP 2488A4EDRxM 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 Vec 3 3V at 5 Parameter Symbol Min Typ Max Unit Note Total Supply Current ICCT 250 mA Transmitter Transmitter Differential Input Voltage VDT 0 5 2 4 V 1 Transmitter Disable Input High VoisH 2 Vcc 0 3 V Transmitter Disable Input Low Vois 0 0 8 V Transmitter Fault Pull up Resistor FAULT 4 7 10 2 Transmitter Fault Output High VrxrH 2 Vcc 0 3 V Transmitter Fault Output Low VrxrL 0 0 8 V Receiver Receiver Differential Output Voltage VDR 0 35 0 7 2 V 3 Receiver LOS Load Rrxtos 4 7 10 kQ 2 LOS Output Voltage High VLosH 2 Vect0 3 V LOS Output Voltage Low 0 0 8 V Output Data Rise Fall Time t tr 200 psec 4 Notes 1 Internal
13. w 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 5 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 Power 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 3 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 T
14. x 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 Typical Value Note Transceiver Temperature 3 C 1 Power Supply Voltage 3 2 TX Bias Current 10 TX Optical Power 1 5dB RX Optical Power 3dB Notes 12 Nov 2006 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta 1 Temperature is measured internal to the transceiver 2 Voltage is measured internal to the transceiver Regulatory Compliance LCP 2488A4EDRxM Test Item Reference Qty Evaluation 1 Electromagnetic Interference Class EMC EN 55022 Class B 5 CISPR 22 61000 4 3 Radio Frequency 5 Elect tic Field IEC 1000 4 3 33 mE E 1 Satisfied with electrical characteristics of 61000 4 2 product spec Electrostatic Discharge to the IEC 1000 4 2 5 Duplex SC Receptacle IEC 801 2 4 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 2488X1X2X3X4Xs5X6X
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