AudioCodes Mediant 2000, FW ver. 5.80.066, DSP Type 2, 8 E1 ports, DSPCHA 240, 2 SS7 Links, 2 power supply units,1u rack mountable, fully functional. Demounted from a working envoirment due to network upgrade. 2 units in stock for sale, price indicated PER 1 UNIT, hence please note that you are bidding for 1 unit accordingly.