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Delta Electronics LCP-1250A4FDRx - page 1
DEL T A ELECT RONICS, INC. 1 Oct., 2006 Rev . 6F www .deltaww .com RoHS Compliant Multimode SFP T ransceiver for GbE and Fiber Channel FEATURES Compliant with SFP T ransceiver SFF-8472 MSA specification with internal calibration Compliant with S pecifications for IEEE 802.3z/Gigabit Ethernet Compliant with the 1.0625GBd Fiber Channel FC ...
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Delta Electronics LCP-1250A4FDRx - page 2
DEL T A ELECT RONICS, INC. 2 Oct., 2006 Rev . 6F 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 3.46 ...
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Delta Electronics LCP-1250A4FDRx - page 3
DEL T A ELECT RONICS, INC. 3 Oct., 2006 Rev . 6F 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 -4 dBm Optical Extinction Ratio ER 9 dB Center W avelength λ C 830 850 860 nm S pectral Width (RMS) σ 0.85 ...
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Delta Electronics LCP-1250A4FDRx - page 4
DEL T A ELECT RONICS, INC. 4 Oct., 2006 Rev . 6F 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 T ransmitter Disable 3 Note 2 Module disables on high or open 4 MOD-DEF2 Module Definition ...
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Delta Electronics LCP-1250A4FDRx - page 5
DEL T A ELECT RONICS, INC. 5 Oct., 2006 Rev . 6F www .deltaww .com Notes: 1) TX Fault is an open collector /drain output, which sho uld be pulled up with a 4.7K – 10K resistor o n the host board. Pull up voltage bet ween 2.0V and VccT, R+0.3V. W hen high, output indicates a laser fault of some kind. Low indicates normal operati on. In the low ...
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Delta Electronics LCP-1250A4FDRx - page 6
DEL T A ELECT RONICS, INC. 6 Oct., 2006 Rev . 6F 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 ...
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Delta Electronics LCP-1250A4FDRx - page 7
DEL T A ELECT RONICS, INC. 7 Oct., 2006 Rev . 6F www .deltaww .com Package Outline Drawing ...
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Delta Electronics LCP-1250A4FDRx - page 8
DEL T A ELECT RONICS, INC. 8 Oct., 2006 Rev . 6F 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 r ...
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Delta Electronics LCP-1250A4FDRx - page 9
DEL T A ELECT RONICS, INC. 9 Oct., 2006 Rev . 6F 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 ...
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Delta Electronics LCP-1250A4FDRx - page 10
DEL T A ELECT RONICS, INC. 10 Oct., 2006 Rev . 6F www .deltaww .com EEPROM Serial ID Memory Co ntent s (2-Wire Address A0h) Address Hex ASCII Address Hex A SCII Add ress Hex ASCII 00 03 43 PN 86 DC 01 04 44 PN 87 DC 02 07 45 PN 88 DC 03 00 46 PN 89 DC 04 00 47 PN 90 DC 05 00 48 PN 91 DC 06 01 49 PN 92 68 07 00 50 PN 93 B0 08 00 51 PN 94 02 09 00 52 ...
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Delta Electronics LCP-1250A4FDRx - page 11
DEL T A ELECT RONICS, INC. 1 1 Oct., 2006 Rev . 6F 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 ...
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Delta Electronics LCP-1250A4FDRx - page 12
DEL T A ELECT RONICS, INC. 12 Oct., 2006 Rev . 6F www .deltaww .com 6) St ate/ Control Bits Byte Bit Name Description 1 10 7 Tx Disable St ate Digital state of the Tx disable input pin 1 10 6 Soft T x Disable Read/ W rite bit that allow software disable of laser 1 10 5 Reserve d 1 10 4 Rate Select tate NA 1 10 3 Soft Rate Select NA 1 10 2 T x Fault ...
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Delta Electronics LCP-1250A4FDRx - page 13
DEL T A ELECT RONICS, INC. 13 Oct., 2006 Rev . 6F www .deltaww .com Regulatory Compliance T es t 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 ...
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Delta Electronics LCP-1250A4FDRx - page 14
DEL T A ELECT RONICS, INC. 14 Oct., 2006 Rev . 6F www .deltaww .com Revision History Rev Date Contents 6A Aug, 2005 1. Separated from single mod e series 6B Dec, 2005 1. Add RoHS compliant p art numbers 2. Modify TX and RX rise/fall time 6C Mar , 2006 1. Add Industrial part 6D Aug., 2006 1. Modify operating temperature range 6E Aug., 2006 1. Update ...
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