Delta Electronics Single Mode SFP Transceiver LCP-1250B4QDRx manual

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Table of contents for the manual

  • Page 1

    DEL T A ELECT RONICS, INC. 1 2008/1/23 Rev . 6G www .deltaww .com RoHS Compliant Single Mode SF P T ransceiver for GbE and Fiber Channel FEATURES z Compliant with SFP T ransceiver SFF-8472 MSA specification with internal calibration z Compliant with S pecifications for IEEE 802.3z/Gigabit Ethernet z LCP-125B4QDRx compliant w ith the 1.0625GBd Fiber[...]

  • Page 2

    DEL T A ELECT RONICS, INC. 2 2008/1/23 Rev . 6G www .deltaww .com Absolute Maximum Ratings Parameter Symbol Min. T yp. Max. Unit Note S torage T emperature T s -40 85 ºC Supply V oltage V CC 0 5 V Recommended Operating Conditions Parameter Symbol Min. T yp. Max. Unit Note Case Operating T emperature T C -5 70 ºC 1 Supply V oltage V CC 3.135 3.465[...]

  • Page 3

    DEL T A ELECT RONICS, INC. 3 2008/1/23 Rev . 6G www .deltaww .com Optical Characteristics (V CC =3.3V ± 5%, Dat a Rate=1250Mb/sec, PRBS=2 7 -1 NRZ) Parameter Symbol Min. T yp. Max. Unit Note Transmitter Output Optical Power (Avg.) P O -9.5 -3 dBm Optical Extinction Ratio 9 dB Center W avelength λ C 1274 1310 1355 nm S pectral Width (RMS) σ 4 nm [...]

  • Page 4

    DEL T A ELECT RONICS, INC. 4 2008/1/23 Rev . 6G www .deltaww .com SFP Transceiver Elect rical Pad Layout Pin Function Definitions Pin Num. Name Function 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 Module disables on high or open 4 MOD-DEF2 Module Definition 2[...]

  • Page 5

    DEL T A ELECT RONICS, INC. 5 2008/1/23 Rev . 6G www .deltaww .com Notes: 1) TX Fault is a n open collector/drain outpu t, which should be pulled up with a 4.7K – 10K  resist or on the host board. Pull up voltage between 2.0V and VccT , R+0.3V. When high, output indicates a lase r fault of some kind. Low indicates no rmal operation. In the low [...]

  • Page 6

    DEL T A ELECT RONICS, INC. 6 2008/1/23 Rev . 6G www .deltaww .com Recommend Circuit Schematic Laser D iode Photo Diode 1uH 1uH 0.1uF 10uF 0.1uF 0.01uF 0.01uF 0.01uF 0.01uF 0.1uF 10uF RES1 RES1 100 Ohms* RES1 RES1 RES1 10k Ohms 100 Ohms VCC Protocol Vcc SerDes IC Protocol IC PLD / PAL Mod_def 2 Mod_def 1 Mod_def 0 3.3V 3.3V DELTA SFP Module Preamp &[...]

  • Page 7

    DEL T A ELECT RONICS, INC. 7 2008/1/23 Rev . 6G www .deltaww .com Package Outline Drawing[...]

  • Page 8

    DEL T A ELECT RONICS, INC. 8 2008/1/23 Rev . 6G www .deltaww .com SFP timing p arameters for SFP management Parameter Symbol Min. Max. Unit Note TX_DISABLE Assert time t_off 10 μ sec 1 TX_DISABLE Negate time t_on 1 msec 2 T ime to initialize, including reset of TX_F AUL T t_init 300 msec 3 TX Fault Assert Time t_fault 100 μ sec 4 TX_DISABLE to re[...]

  • Page 9

    DEL T A ELECT RONICS, INC. 9 2008/1/23 Rev . 6G www .deltaww .com Enhanced Digit al Diagnostic Interface The memory map in the follo wing describes an extension to the memory map defin ed in SFP MSA. The enhanced interface uses the two wire serial bus address 10100 01X( A2h) to provid e diagnostic information about the module’s present operating [...]

  • Page 10

    DEL T A ELECT RONICS, INC. 10 2008/1/23 Rev . 6G www .deltaww .com EEPROM Serial ID Memory Co ntent s (2-Wire Address A0h) Address Hex ASCII Address Hex ASCII A ddress Hex ASCII 00 03 43 2D - 86 DC 01 04 44 31 1 87 DC 02 07 45 32 2 88 DC 03 00 Note 1 46 35 5 89 DC 04 00 47 30 0 90 DC 05 00 48 42 B 91 DC 06 02 49 34 4 92 68 07 00 50 51 Q 93 B0 08 00[...]

  • Page 11

    DEL T A ELECT RONICS, INC. 1 1 2008/1/23 Rev . 6G www .deltaww .com 9) Byte 128 to 255 had been set hex 00. Digit al Diagnostic Monitoring Interface Alarm and W arning Thresholds (2-Wire Address A2h) Address # Bytes Name V alue (Dec.) Unit Note 00-01 2 T emp High Alarm T C (MAX.)+15 02-03 2 T emp Low Alarm T C (MIN.) 04-05 2 T emp High W arning T C[...]

  • Page 12

    DEL T A ELECT RONICS, INC. 12 2008/1/23 Rev . 6G www .deltaww .com 6) St ate/ Control Bits Byte Bit Name Description 1 10 7 T x Disable S tate Digital state of the Tx disable input pin 1 10 6 Sof t Tx Disable Read/ Write bit that allo w software disable of laser 1 10 5 Reserved 1 10 4 Rate Select t ate NA 1 10 3 Soft Rate Select NA 1 10 2 Tx Fault [...]

  • Page 13

    DEL T A ELECT RONICS, INC. 13 2008/1/23 Rev . 6G www .deltaww .com Regulatory Compliance T est Item Reference Qty’ Evaluation (#1) Electromagnetic Interference EMC FCC Class B EN 55022 Class B CISPR 22 5 (#2) Immunity : Radio Frequency Electromagnetic Field EN 61000-4-3 IEC 1000-4-3 5 (#3) Immunity : Electrostatic Discharge to the Duplex SC R[...]