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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Delta Electronics OPEP-33-A4K1R, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Delta Electronics OPEP-33-A4K1R one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Delta Electronics OPEP-33-A4K1R. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
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First and foremost, an user manual of Delta Electronics OPEP-33-A4K1R should contain:
- informations concerning technical data of Delta Electronics OPEP-33-A4K1R
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Delta Electronics OPEP-33-A4K1R alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Delta Electronics OPEP-33-A4K1R, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Delta Electronics service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Delta Electronics OPEP-33-A4K1R.
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Table of contents for the manual
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Page 1
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 1 Revision: S0 06/01/2007 www .delt aww.c om 1.25Gbp s Up stream/1.25Gbp s Downstream GE-PON ONU T ransceiver FEATURES RoHS compliant IEEE802.3ah Gigabit Ethernet compliant 2x5 pin SFF package with SC Receptacle 1310nm Burst Mode 1.25Gbps transmitter , and 1490nm Continuous Mode 1.25Gbps rece[...]
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Page 2
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 2 Revision: S0 06/01/2007 www .delt aww.c om 1. Absolute Maximum Ratings Parameter Symbol Min. Ty p . Max. Unit Note S torage T emper ature T s -40 85 ºC S torage Ambient Humidity H A 5 95 % Power Supply V oltage V CC -0.3 4 V Signal Input V oltage -0.3 Vcc+0.3 V Receiver Damage Threshold +7 dBm Lead Solder[...]
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Page 3
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 3 Revision: S0 06/01/2007 www .delt aww.c om Note (2). These are unfiltered 20-80% values. Note (3). Meas ure at 2 7 -1 NRZ PRBS pattern Note (4). Transmitter spectral limits Note (5). T ransmitter eye mask definition 1 0 X1 X2 1- X2 1- X1 1+ Y 3 1 1- Y1 0.5 Y1 0 - Y2 N ormalized T ime N ormalized Amplitude [...]
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Page 4
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 4 Revision: S0 06/01/2007 www .delt aww.c om 4. Specification of Receiver Parameter Symbol Min. Ty p . Max. Unit Note Input Op tical Wavelength λ IN 1480 1490 1500 nm PIN-PD Receiver Sensitivity P IN -2 6 dBm Note (1) Input Satura tion Power (Overload) P SA T -3 dBm Signal Det ect -Assert Power P A - -26 dB[...]
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Page 5
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 5 Revision: S0 06/01/2007 www .delt aww.c om 6. T ransmitter Burst Mode Timing Characteristics Parameter Symbol Min. Ty p . Max. Unit No te BiasCNT Enable Duration 1 us Interval of BiasCNT Signal 0.1 12 1000000 us VccT BiasCNT Dat a Input Optica l Output VccT < 3.1 V X X OFF Low X OFF No Other VccT > 3[...]
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Page 6
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 6 Revision: S0 06/01/2007 www .delt aww.c om 7. Pi n Descr ipti on Tx/Rx Pin No. I/O Pin Name Description 1 Ve e R Receiver Ground 2 VccR +3.3V Receiver Power Supply 3 O SD Norma l Optical Input indicated by logic “High”, a nd No Optical Input indicated by logic “Low ”. (L VTTL) 4 O RD(n) Inverted Re[...]
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Page 7
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 7 Revision: S0 06/01/2007 www .delt aww.c om 8. Recommended Interface Circuit T ran sm itter 9. TD (p) 10. TD(n) 8. Bia sCNT 6. VccT 7. VeeT Receiver 100nF 100nF 1. VeeR 5. RD(p) 4. RD(n) 3. SD 2. VccR 100nF 10uF 100nF 10uF 100nF 1uH 1uH 3.3V Protocol IC Ser Des IC 100ohm Bi as CNT SD DELTA GEPON ONU Modul e[...]
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Page 8
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 8 Revision: S0 06/01/2007 www .delt aww.c om 9. Ou tline D imens ions Parameter Unit Desc ripti on Note Mechanica l Dimens ions mm 48.3x13. 5x9.6 Connector T ype - SC/UPC connecto r IEC-61754-4 W eek ( 52W eeks/Year ) : 1月 2日 =01[...]
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Page 9
OPEP-33-A4K1R DEL T A ELECT RONICS, INC. 9 Revision: S0 06/01/2007 www .delt aww.c om 10. R egul atory C ompl iance Feature Te s t M e t h o d Reference Performance Human Body Model (HBM) MIL-STD-883E Method 3015.7 EIA-JESD22-A1 1 4 Elect rost atic Disc harge (ESD) to the Electrical Pins Machin e Model (MM) EIA-JESD22-A1 15 Contact Discharge IEC/EN[...]