This Detail Specification defines Type 1 Riser cable used with the Token Ring LAN Cabling System. Type 1 R consists of 2 twisted pairs of Data Grade Media (DGM) shielded with aluminum tape and braided shields, all cabled into a single PVC jacketed assembly. The Cabling System is intended to be compatible with IEEE Standard 802.5. It is designed to be used as a total building wiring system. The Cabling System may be used as the communications medium for a Token Ring Network as well as for other data equipment.