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Delta Electronics LCP-2488A4EDRxM manual

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Table of contents for the manual

  • Page 1

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 1 Nov ., 2006 Rev . 0A www .delt aww.c om RoHS Compliant Multirate Small Form Factor Pluggable T ransceiver for SONET OC-48/S DH STM-16 with Digit al Diagnostic Function FEATURES z Compliant with SFP T ranscei ver SFF-8472 MSA s pecification with internal calibration z Compliant with the 2.125GBd Fiber Cha[...]

  • Page 2

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 2 Nov ., 2006 Rev . 0A www .delt aww.c om Absolute Maximum Ratings Parameter Symbol Min. T yp. Max. Unit Note S torage T emper ature T s -40 85 ºC Supply V oltage V CC 0 5 V Recommended Operating Con ditions Parameter Symbol Min. T yp. Max. Unit Note Case Operating T emperature T C -5 70 ºC 1 Supply V ol[...]

  • Page 3

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 3 Nov ., 2006 Rev . 0A www .delt aww.c om Optical Characteristics (V CC =3.3V ± 5%, Data Rate=2.488Gb/sec, PRBS=2 23 -1 NRZ) Parameter Symbol Min. T yp. Max. Unit Note Transmitter Output Optical Power (A v g.) P O -9.5 -4 dBm Optical Extinction Ratio ER 8.2 dB Center Wavelength λ C 830 850 86 0 nm S pect[...]

  • Page 4

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 4 Nov ., 2006 Rev . 0A www .delt aww.c om SFP Transceiver Electrical Pad Layout Pin Function Definitions Pin Num. Name Function Plug Seq. Notes 1 VeeT Transmitter Ground 1 2 T X Fault Transmitter Fault Indication 3 Note 1 3 TX Disable Transmitter Disable 3 Note 2 Module disables on hi gh or open 4 MOD-DEF2[...]

  • Page 5

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 5 Nov ., 2006 Rev . 0A www .delt aww.c om Notes: 1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10K  resistor on the host board. Pull up voltag e between 2.0V and VccT, R+0.3V. Wh en high, output indicates a laser fault of some kind. Low indicates normal operati[...]

  • Page 6

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 6 Nov ., 2006 Rev . 0A www .delt aww.c om Recommend Circuit Schematic Laser Diode Photo D iode 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 [...]

  • Page 7

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 7 Nov ., 2006 Rev . 0A www .delt aww.c om Package Outline Drawing[...]

  • Page 8

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 8 Nov ., 2006 Rev . 0A www .delt aww.c om 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[...]

  • Page 9

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 9 Nov ., 2006 Rev . 0A www .delt aww.c om Enhanced Digit al Diagnostic Interface The memory map in the following d escribes an extension to th e memory map defined in SFP MSA. The enhanced interface uses the two wire serial bus add ress 1010001X (A2h) to provide diagnostic information about the module’s [...]

  • Page 10

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 10 Nov ., 2006 Rev . 0A www .delt aww.c om EEPROM Serial ID Memory Content s (2-Wire Address A0h) Address Hex ASCII Addres s Hex A SCII 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 xx 49 PN 92 68 07 xx 50 PN 93 B0 08[...]

  • Page 11

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 1 1 Nov ., 2006 Rev . 0A www .delt aww.c om 8) Byte 84-91: Date code 9) Byte 95: Check sum of bytes 64 -94 10) Byte 128 to 25 5 had been set hex 00 Digit al Diagnostic Monitoring Interface Alarm and W arnin g Thresholds (2-Wire Address A2h) Address # Bytes Name Va l u e ( D e c . ) Unit Note 00-01 2 T emp [...]

  • Page 12

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 12 Nov ., 2006 Rev . 0A www .delt aww.c om P S : Sensitivity optical power of receiver 5) Byte 95 cont ains the low order 8 bits of sum of bytes 0-94 6) St at e/ Control Bits Byte Bi t Name Description 1 10 7 Tx Disable S tate Digital state of the T x disable input pin 11 0 6 Soft Tx Disable Read/ Write bi[...]

  • Page 13

    LCP-2488A4EDRxM DEL T A ELECT RONICS, INC. 13 Nov ., 2006 Rev . 0A www .delt aww.c om 1) T emperature is measured internal to the tra nsceiver . 2) V oltage is measured internal to the transc eiver . Regulatory Compliance T est Item Refere nce Qty’ Evaluation (#1) Electromagnetic Inte rference EMC FCC Class B EN 55022 Class B CISPR 22 5 (#2) Immu[...]