Nortel NTAB1829 DS30 Fiber Cable (Refurbished)The Norstar DS30 Fiber Cable connects your MICS system to either a Norstar NAM voice mail, a fiber station module, a fiber trunk module, or the analog station module. Includes plastic spool. More Information Mnfr. Part #: NTAB1829 Fiber optic cable assembly for MICS Expansion units Used to connect 12x0 Fiber Trunk, 0x16 Fiber Station, and 0x8 Analog Station Modules to Norstar MICS control unit MICS control unit must have available fiber expansion port