Professional Standard - Post and Telecommunication
Status
2009-12
Latest
YD/T 893-1997
Scope
This standard specifies the optical performance, measurement and inspection methods, marking, packaging and other conditions of single-mode optical fiber couplers. This standard applies to the design, production, inspection and use of single-mode optical fiber couplers.
YD/T 893-1997 history
1997YD/T 893-1997 Technical conditions of fiber optic couplers