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1、TIA STANDARD 100 Mb/s Physical Layer Medium Dependent Sublayer and 10 Mb/s And 100 Mb/s Auto-Negotiation On 850nm Fiber Optics Addendum 1 TIA-785-1 (Addendum No. 1 to TIA/EIA-785) DECEMBER 2002 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Copyright Telecommunications Industry Association Provided by IHS
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7、om Standards Proposal No. 3-4360-AD1, formulated under the cognizance of the TIA FO-4.2 Subcommittee on Digital Multimode Systems.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2002 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please refer to cu
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19、ENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11
20、 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-7 85 - 1 Addendum 1 to ANSI/TIA/EIA-785 100 Mb/s Physical Layer Medium Dependent Sublayer and 10 Mb/s and 100 Mb/s Auto-Negotiation on 850 nm Fiber Optics Contents Page 1 INTRODUCTION . 1 2 PURPOSE AND SCOPE . 1 3 SUB-CLA
21、USE ADDENDUM . 1 . 111 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-785- 1 This page left
22、blank. iv Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-785- 1 Addendum 1 to ANSI/TIA/EIA-7
23、85 100 Mb/s Physical Layer Medium Dependent Sublayer and 10 Mb/s and 100 Mb/s Auto-Negotiation on 850 nm Fiber Optics 1. INTRODUCTION The original publication of ANSI/TIA/EIA-785 contained requirements for both receiver bandwidth and receiver stressed receive sensitivity. The inclusion of the receiv
24、er bandwidth specification was technically duplicative to the receiver stressed receive sensitivity and leads to unwarranted limitations in transceiver designs. This addendum removes the requirements for receiver bandwidth fi-om ANSI/TIA/EIA-785. Two errors related to the stressed receive sensitivit
25、y test specifications are also corrected. The BER specified in Table 4-2 Note 4 is aligned with the system BER, and a typo in the vertical eye closure penalty equation in Annex A is corrected. 2. PURPOSE AND SCOPE The purpose of this Addendum is to remove Section 4.3.2.8 “Receive electrical 3 dB upp
26、er cutoff frequency” and related references within ANSI/TIA/EIA-785-2001, and to correct two errors related to the stressed receive sensitivity test specifications. 3. SUB-CLAUSE ADDENDUM 3.1 Delete sub-clause 4.3.2.8 and substitute: “4.3.2.8 Not Used.” 1 Copyright Telecommunications Industry Associ
27、ation Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-785- 1 3.2 Delete table 4.2 and substitute: Table 4-2 - Characteristics of active input i
28、nterface Subclause Parameter Min. Max. units 4.3.2 ACTIVE INPUT INTERFACE 4.3.2.1 4.3.2.2 4.3.2.3 4.3.2.3 4.3.2.4 4.3.2.5 4.3.2.6 4.3.2.7 Center Wavelength Average Coupled Power (Note 1) Rise Time (10-90%) Fall Time (1 O-90%) Duty Cycle Distortion, peak-peak Data-Dependent Jitter, peak-peak (Note 2)
29、 Random Jitter, peak-peak (Note 3) Stressed receive sensitivity (Note 4) 800 -24.0 O O O O O -24.55 900 -12 7.3 7.3 1.5 1.1 1 .O4 NA nm dBm ns ns ns ns ns dBm NOTES 1. 2. 3. 4. Average coupled optical output power, rise time, fall time, and jitter (DCD, DDJ, and RJ) shall be measured at the output e
30、nd of the fiber optic cabling used in the channel (see FDDI PMD annex B). The output end is defined as the end that connects to the receiver. The data pattern for this measurement shall be a stream of Halt symbols. (Fast Ethernet /I/ code-groups) Refer to normative annex A for additional details and
31、 alternative test methods. Data-dependent jitter is specified for the test data pattern specified in FDDI PMD annex A. Annex A also provides possible test methods. Random jitter is s ecified as the peak-peak value where the probability of exceeding that value is equal to 2.5 x lo-. For a Gaussian pr
32、obability distribution, the resulting peak-peak value is equal to 12.6 times the rms value. Stressed receive sensitivity is measured with a conformance test signal for BER= 2.5 x 10-l at the eye center, as specified &Annex A of this Standard. 3.3 In Annex A, delete: “Vertical eye-closure penalty = 1
33、0 log (AO / AI) dB” and substitute: “Vertical eye-closure penalty = 10 * log (Ao / AI) dB.” 2 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11 MDTNo reproduction or network
34、ing permitted without license from IHS -,-,- Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:04:11 MDTNo reproduction or networking permitted without license from IHS -,-,-