... (static) is 5D when G657 fiber is used. Options1, Fiber Type: G652, G655 or G657 single-mode fiber, A1a or A1b multimode cable ... , or other types of fiber;2, Jacket Material: Environmental low smoke zero halogen flame retardant ... ), or other contracted material;3, Jacket Color: (Including color of fiber) meets the requirements of relevant standards, or other contracted color ...