Mitel SX-2000 Main Controller 3 Card (MC214AA) Choose Condition:Like New it provides the essential function

it provides the essential function of external CSUs

Two (2) Power Failure Transfer Circuits

The Avaya 4602SW IP Telephone is a simple phone that could go in a lobby

Nortel Communication Server 1000

Mitel SX-2000 Main Controller 3 Card (MC214AA) Choose Condition:Like New it provides the essential functionMitel SX2000 Main Controller Card III (MC214AA) The Mitel SX2000 Main Controller Card III connects the telephone's receive path to a circuit carrying dial tone and the transmit path to a DTMF receiver circuit when the phone goes off the hook. Features Connects the phone's receive path to a dial tone circuit when off hook Connects the phone's transmit path to a DTMF receiver circuit when off hook One year warranty included, with extended warranties