4WDM-20 & 4WDM-40 MSA Technical Specifications Release 1.0
Page 4 4-Wavelength WDM MSA July 28, 2017
3.6.4 Test procedure .......................................................................................................... 14
3.7 EXTINCTION RATIO ........................................................................................................... 14
3.8 TRANSMITTER OPTICAL WAVEFORM (TRANSMIT EYE) ................................................... 14
3.9 RECEIVER SENSITIVITY ...................................................................................................... 14
3.10 STRESSED RECEIVER SENSITIVITY ................................................................................... 15
4 FIBER OPTIC CABLING MODEL ................................................................................................ 16
5 CHARACTERISTICS OF THE FIBER OPTIC CABLING (CHANNEL) ............................................... 17
5.1 OPTICAL FIBER CABLE ...................................................................................................... 17
5.2 OPTICAL FIBER CONNECTION .......................................................................................... 17
5.2.1 Connection insertion loss ......................................................................................... 17
5.2.2 Maximum discrete reflectance and example cable plants ....................................... 17
5.3 MEDIUM DEPENDENT INTERFACE (MDI) REQUIREMENTS.............................................. 18
6 4WDM-20 and 4WDM-40 Module Color Coding .................................................................... 19
TABLES
Table 2-1: Wavelength-division-multiplexed lane assignments ..................................................... 8
Table 2-2: 4WDM-20 and 4WDM-40 operating range ................................................................... 8
Table 2-3: 4WDM-20 and 4WDM-40 transmit characteristics ....................................................... 9
Table 2-4: 4WDM-20 and 4WDM-40 receive characteristics ....................................................... 10
Table 2-5: 4WDM-20 and 4WDM-40 illustrative power budget .................................................. 11
Table 3-1: Patterns for optical parameter testing ........................................................................ 12
Table 3-2: Transmitter compliance channel specifications .......................................................... 13
Table 4-1: Fiber optic cabling (channel) characteristics ............................................................... 16
Table 5-1: Optical fiber and cable characteristics......................................................................... 17
Table 6-1: 4WDM-20 and 4WDM-40 Module Color Coding ........................................................ 19
FIGURES
Figure 1-1: Block diagram for 4WDM-20 and 4WDM-40 transmit/receive paths ......................... 5
Figure 1-2: Example FEC implemented with PMD .......................................................................... 6
Figure 3-1: Test setup for measurement of receiver sensitivity ................................................... 15
Figure 4-1: Fiber optic cabling model ........................................................................................... 16