Asentria S550-6/XT/32M/MD/DC-8C-4S-MCV Siteboss 550 Remote Site Controller, 6 Expansion Slots, 32MB storage, DC Power, Dial-Up Serial Modem slot card, Wireless EVDO (CDMA) Modem – VERIZON Connectivity Card, and the following expansion cards:
Qty (1) 4S (4) RS232 Serial Port
Qty (1) 8C (8) Contact Closure Inputs