"Wavelength specific bidirectional add-and-drop module on dual-strand fiber, X stands for colored wavelength from 1271 to 1611X = 27, 29, 31, 33, 35, 37, 39,...
"Wavelength specific unidirectional add-and-drop module on dual-strand fiber, X stands for colored wavelength from 1271 to 1611X = 27, 29, 31, 33, 35, 37, 39,...
"Wavelength specific unidirectional add-and-drop module on single-strand fiber, drops wavelength from EAST LINE fiber, X stands for colored wavelength from...
"Wavelength specific unidirectional add-and-drop module on single-strand fiber, drops wavelength from WEST LINE fiber, X stands for colored wavelength from...
"Wavelength specific bidirectional add-and-drop module on single-strand fiber, X stands for colored wavelength from 1271 to 1611X = 27, 31, 35, 39, 43, 47, 51,...