This part of IEC 61755 covers single mode optical interfaces. It includes references, documents structure details. definitions , preferred graces and the rules under which an which an optical interface is created. This standard defines the location of the fiber core in relation to the datum target and the following key parameters: lateral offset, end face separation , end face angle, end face high index layer condition . It also defines standardized test methods where appropriate.

• Year of Declaration: 2005
• Reference: IEC 61755-1
• Number of Pages: 27
• Code: GYS IEC 61755-1
• Version: First edition 2005
• ICS Number: 33.160.30. 35. 0202