Knowledge Base - Solution

40G Certifier Type A versus Type B Reference

Tuesday, December 31, 2019
Submitted by ryan.grace on July 8, 2021 - 3:34pm
Problem: 
What is the difference between the Type A and Type B on the Viavi 40G Certifier MPO reference cables?
Solution: 
Type A or B refers to the pin alignment. On Type A, pin 1 at one end goes to pin 1 at the other and then 2 to 2 ,etc. On Type B, the connections are opposite at each end. Pin 1 goes to pin 12, 2 to 11, etc.

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