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HFBR-5805T Datasheet(PDF) 9 Page - Agilent(Hewlett-Packard) |
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HFBR-5805T Datasheet(HTML) 9 Page - Agilent(Hewlett-Packard) |
9 / 14 page 9 Regulatory Compliance These transceiver products are intended to enable commercial system designers to develop equipment that complies with the various international regulations governing certifica- tion of Information Technology Equipment. See the Regulatory Compliance Table for details. Additional information is available from your Agilent sales representative. Electrostatic Discharge (ESD) There are two design cases in which immunity to ESD damage is important. The first case is during handling of the transceiver prior to mounting it on the circuit board. It is important to use normal ESD handling precautions for ESD sensitive devices. These precautions include using grounded wrist straps, work benches, and floor mats in ESD controlled areas. Feature Test Method Performance Electrostatic Discharge (ESD) to the Electrical Pins MIL-STD-883C Method 3015.4 Meets Class 1 (<1999 Volts). Withstand up to 1500 V applied between electrical pins. Electrostatic Discharge (ESD) to the Duplex SC Receptacle Variation of IEC 801-2 Typically withstand at least 25 kV without damage when the Duplex SC Connector Receptacle is contacted by a Human Body Model probe. Electromagnetic Interference (EMI) FCC Class B CENELEC CEN55022 Class B (CISPR 22B) VCCI Class 2 Transceivers typically provide a 13 dB margin (with duplex SC receptacle) or a 9 dB margin (with duplex ST receptacles) to the noted standard limits when tested at a certified test range with the transceiver mounted to a circuit card without a chassis enclosure. Immunity Variation of IEC 801-3 Typically show no measurable effect from a 10 V/m field swept from 10 to 450 MHz applied to the transceiver when mounted to a circuit card without a chassis enclosure. The second case to consider is static discharges to the exterior of the equipment chassis con- taining the transceiver parts. To the extent that the duplex SC connector is exposed to the outside of the equipment chassis it may be subject to whatever ESD system level test criteria that the equipment is intended to meet. Electromagnetic Interference (EMI) Most equipment designs utilizing these high speed transceivers from Agilent will be required to meet the requirements of FCC in the United States, CENELEC EN55022 (CISPR 22) in Europe and VCCI in Japan. These products are suitable for use in designs ranging from a desktop computer with a single transceiver to a concentrator or switch product with large number of transceivers. In all well-designed chassis, the two 0.5" holes required for ST connectors to protrude Regulatory Compliance Table through will provide 4.6 dB more shielding than one 1.2" duplex SC rectangular cutout. Thus, in a well-designed chassis, the duplex ST 1 x 9 transceiver emissions will be identical to the duplex SC 1 x 9 transceiver emissions. Figure 9. Transmitter Output Optical Spectral Width (FWHM) vs. Transmitter Output Optical Center Wavelength and Rise/Fall Times. 200 100 l C – TRANSMITTER OUTPUT OPTICAL RISE/ FALL TIMES – ns 1280 1300 1320 180 160 140 120 1360 1340 1.0 1.5 2.5 3.0 2.0 HFBR-5805 TRANSMITTER TEST RESULTS OF l C, Dl AND t r/f ARE CORRELATED AND COMPLY WITH THE ALLOWED SPECTRAL WIDTH AS A FUNCTION OF CENTER WAVELENGTH FOR VARIOUS RISE AND FALL TIMES. 1260 t r/f – TRANSMITTER OUTPUT OPTICAL RISE/FALL TIMES – ns 3.0 |
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