AAC / CellSMART OC-3c/STM1 SM Optical Physical Layer Module

Common Requirements
Cell scrambler

ATM payload scrambler

Fiber type

2 point-to-point single-mode 8 micrometer core fibers

Framing format

STS-3c

Interface connector

Duplex SC

Line code

Binary NRZ

Line rate, internal clock

155.52 Mbps

Stream scrambler

SONET/SDH required scrambler

Typical range

0 to 25 km

Input Requirements
Jitter tolerance > 65 kHz

No more than 0.15 UI peak-to-peak measured over 60 seconds

Jitter tolerance 10 Hz to 30 Hz

No more than 15 UI peak-to-peak measured over 60 seconds

Jitter tolerance 300 Hz to 6.5 kHz

No more than 1.5 UI peak-to-peak measured over 60 seconds

Maximum received power

-8 dBm

Minimum received power

-28 dBm

Output Requirements
Eye pattern mask

ATM UNI Version 3.0, Figure 2-18

Jitter 500 Hz to 1.3 MHz

No more than 1.5 UI peak-to-peak measured over 60 seconds

Jitter 65 kHz to 1.3 MHz

No more than 0.15 UI peak-to-peak measured over 60 seconds

Jitter generation 12 kHz to > 1.3 MHz

No more than 0.15 UI peak-to-peak or 0.015 UI RMS measured over 60 seconds

Minimum extinction ratio

8.2 dB (TR--NWT-001112 Issue 1, Section 4.10.4.3, Table 4-6)

Output power level

-15 dBm to -8 dBm

Spectral width

7.7 nm RMS

Wavelength

1260 nm to 1360 nm, nominally 1310 nm

Standards Compliance
Meets applicable requirements for the following standards/generic requirements:

T1.105-1991, American National Standard for Telecommunications "Digital Hierarchy--Optical Interface Rates and Formats Specifications, " July 1991.

Bellcore TR-NWT-001112-Issue 1, "Broadband-ISDN User to Network Interface and Network Node Interface Physical Layer Generic Criteria, " June 1993.

ITU-T G.708-1993, "General Aspects of Digital Transmission Systems--Network Node Interface for the Synchronous Digital Hierarchy."

ITU-T G.825-1993, "Digital Networks--The Control of Jitter and Wander within Digital Networks which are based on the Synchronous Digital Hierarchy (SDH)."

ITU-T G.957-1993, "Digital Sections and Digital Line Systems--Optical Interfaces for Equipments and Systems relating to the Synchronous Digital Hierarchy, " March 1993.

ITU-T G. 958-1993, "Digital Sections and Digital Line Systems--Digital Line Systems based on the Synchronous Digital Hierarchy for use on Optical Fibre Cables, " March 1993.

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