1, SM/MM, PC/APC 2, G652D/G657A 3, Telcordia GR-326-CORE specification and RoHS Standards FeaturesInsert-pull, key-oriented coupling mechanism which allows high repeatable, low-loss connection Simplex ,Duplex and Multi-core accessories for standard or customized structure. PC/UPC/APC polish Comply with Telcordia GR-326-CORE Specification The material of plastic plug comply with the request of ...