TIA-785-1-2002 100 Mb s Layer Medium Dependent Sublayer and 10 Mb s and 100 Mb s Auto-Negotiation on 850nm Fiber Optics-Addendum 1 (Addendum 1 to TIA EIA-785)《850nm光纤上的100 Mb s物理层媒.pdf

1、 TIA-785-1-2002 APPROVED: DECEMBER 23, 2002 REAFFIRMED: OCTOBER 6, 2014 TIA-785-1 (Addendum No. 1 to TIA/EIA-785) May 2001100 Mb/s Layer Medium Dependent Sublayer and 10 Mb/s and 100 Mb/s Auto-Negotiation on 850nm Fiber Optics-Addendum 1 NOTICE TIA Engineering Standards and Publications are designed

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20、D NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-785-1 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-CLAUSE ADDENDUM.1 iii TIA-785-1

21、This page left blank.iv TIA-785-1 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 1. INTRODUCTION The original publication of ANSI/TIA/EIA-785 contained requirements for both receiver bandwidth and rece

22、iver stressed receive sensitivity. The inclusion of the receiver 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 from ANSI/TIA/E

23、IA-785. Two errors related to the stressed receive sensitivity 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 Adden

24、dum is to remove Section 4.3.2.8 “Receive electrical 3 dB upper 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.

25、2.8 Not Used.” 1 TIA-785-1 3.2 Delete table 4.2 and substitute: Table 4-2 Characteristics of active input interface Subclause Parameter Min. Max. Units 4.3.2 ACTIVE INPUT INTERFACE 4.3.2.1 Center Wavelength 800 900 nm 4.3.2.2 Average Coupled Power (Note 1) -24.0 -12 dBm 4.3.2.3 Rise Time (10-90%) 0

26、7.3 ns 4.3.2.3 Fall Time (10-90%) 0 7.3 ns 4.3.2.4 Duty Cycle Distortion, peak-peak 0 1.5 ns 4.3.2.5 Data-Dependent Jitter, peak-peak (Note 2) 0 1.1 ns 4.3.2.6 Random Jitter, peak-peak (Note 3) 0 1.04 ns 4.3.2.7 Stressed receive sensitivity(Note 4) -24.55 NA dBm NOTES 1. 2. 3. 4. Average coupled opt

27、ical output power, rise time, fall time, and jitter (DCD, DDJ, and RJ) shall be measured at the output end 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 strea

28、m of Halt symbols. (Fast Ethernet /H/ code-groups) Refer to normative annex A for additional details and 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 specified as th

29、e peak-peak value where the probability of exceeding that value is equal to 2.5 x 10-10. For a Gaussian probability 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 10-10at the eye

30、 center, as specified in Annex A of this Standard. 3.3 In Annex A, delete: “Vertical eye-closure penalty = 10 log (AO/ AI) dB” and substitute: “Vertical eye-closure penalty = 10 * log (AO/ AI) dB.” 2 THE TELECOMMUNICATIONS INDUSTRY ASSOCIATION TIA represents the global information and communications

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