Instruction/ maintenance manual of the product LCP-1250 CWDM Delta Electronics
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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.
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.
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.
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.
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.
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.
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 Neg.
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.
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.
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.
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.
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.
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 .
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 : Sin.
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If you already are a holder of Delta Electronics LCP-1250 CWDM, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Delta Electronics LCP-1250 CWDM.
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