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Delta Electronics LCP-1250 CWDM manual

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Table of contents for the manual

  • Page 1

    DEL T A ELECT RONICS, INC. 1 2008/1/15 Rev . 0A www .deltaww .com RoHS Compliant Multi-Rate CWDM SFP T ransceiver for GbE and Fiber Channel with DDM Function FEATURES  Compliant with SFP T ransceiver SFF-8472 MSA specification with internal calibration  Multi-rate operation from 125 to 1250 Mpbs  Single + 3.3V Power Supply and TTL Logic In[...]

  • Page 2

    DEL T A ELECT RONICS, INC. 2 2008/1/15 Rev . 0A 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 2008/1/15 Rev . 0A www .deltaww .com Optical Characteristics Transmitter (V CC =3.3V ± 5%, Dat a Rate=1250Mb/sec, PRBS=2 7 -1 NRZ) Parameter Symbol Min. T yp. Max. Unit Note Output Optical Power (Avg.) LCP-1250D4MxxRB LCP-1250D4RxxRB LCP-1250D4VxxRB P -5 0 0 0 +5 +5 dBm Optical Extinction Ratio ER 9 dB Center W aveleng[...]

  • Page 4

    DEL T A ELECT RONICS, INC. 4 2008/1/15 Rev . 0A www .deltaww .com Mask of the eye diagram for the optical transmit s ignal Recommend Circuit Schematic Laser Diode Phot o 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 [...]

  • Page 5

    DEL T A ELECT RONICS, INC. 5 2008/1/15 Rev . 0A 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 disa bles on high or open 4 MOD-DEF2 Module Definition [...]

  • Page 6

    DEL T A ELECT RONICS, INC. 6 2008/1/15 Rev . 0A 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 7

    DEL T A ELECT RONICS, INC. 7 2008/1/15 Rev . 0A 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 8

    DEL T A ELECT RONICS, INC. 8 2008/1/15 Rev . 0A www .deltaww .com Package Outline Drawing Complies with 21 CFR 1040.10 and 1040.11 Made in x FS[...]

  • Page 9

    DEL T A ELECT RONICS, INC. 9 2008/1/15 Rev . 0A www .deltaww .com Enhanced Digit al Diagnostic Interface The memory map in the following describes an extension to the memory map defined in SFP MSA. The enhanced interface u ses the two wire seri al b us address 1010 001X(A2h) to provid e diagnostic information about the module’ s present operating[...]

  • Page 10

    DEL T A ELECT RONICS, INC. 10 2008/1/15 Rev . 0A www .deltaww .com EEPROM Serial ID Memory Co ntent s (2-Wire Address A0h) Address Hex A SCII Address Hex ASCII Add ress Hex A SCII 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 02 1000Base 49 PN 92 68 07 00 50 PN 93 B0 08 00 51 P[...]

  • Page 11

    DEL T A ELECT RONICS, INC. 1 1 2008/1/15 Rev . 0A www .deltaww .com 8) Byte 84-91: Date code. 9) Byte 95: Che ck sum of bytes 64-94. 10) 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 [...]

  • Page 12

    DEL T A ELECT RONICS, INC. 12 2008/1/15 Rev . 0A www .deltaww .com P S : Sensitivity optical power of receiver . 5) Byte 95 cont ains the low order 8bit s of sum of bytes 0-94. 6) St ate/ Control Bits Byte Bit Name Description 1 10 7 Tx Disable S tate Digital state of the Tx disable input pin 1 10 6 Soft Tx Disab le Read/ Write bit that allow softw[...]

  • Page 13

    DEL T A ELECT RONICS, INC. 13 2008/1/15 Rev . 0A www .deltaww .com 1) T emperature is measured internal to the transceiver . 2) V oltage is measured internal to the transceiver . 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 Frequenc[...]

  • Page 14

    DEL T A ELECT RONICS, INC. 14 2008/1/15 Rev . 0A www .deltaww .com Ordering information for SFP modules LCP-1250D4 X 1 X 2 X 3 BX 4 W avelength 47 : Single-mode 1470nm 49 : Single-mode 1490nm 51 : Single-mode 1510nm 53 : Single-mode 1530nm 55 : Single-mode 1550nm 57 : Single-mode 1570nm 59 : Single-mode 1590nm X 1 : Link Budget M : 19dB R : 24dB V [...]