Nortel NTBB25GA-93 6-Port Fiber Combo Expansion Cartridge (Refurbished) Trillium Mitel SX-2000 MM 820 Fiber

Mitel SX-2000 MM 820 Fiber Interface Module (FIM)

PBX/Centrex Compatibility

volume control

This is a replacement handset for the Samsung Falcon iDCS phones

Equipped 0x0 with processor board

Nortel NTBB25GA-93 6-Port Fiber Combo Expansion Cartridge (Refurbished) Trillium Mitel SX-2000 MM 820 FiberThis Norstar Combo Cartridge allows the addition of up to six Fiber Trunk or Fiber Station Modules. As well as the Services cartridge functions for DTI synchronization to the T1 network clock or act as a master clock source, providing the clock signal for networked systems. The Combo Cartridge also supports DTMF tone recognition for T1 circuits. One Combo Cartridge will support two DTI cartridges, but for systems with growth potential past six ports,