AUTOMATION PC 620 SYSTEM UNIT, 24 VDC, 2 PCI SLOTS, 1 DRIVE SLOT, CONNECTIONS FOR 2X RS232, 2X USB 2.0, SMART DISPLAY LINK/DVI-I, 2X ETH 10/100, AC97 SOUND

Siemens ZN-31U
INPUT MODULE, SYSTEM 3, DUAL CONTACT ZONE MODULE, 2 RED LED ALARM LAMPS, 2 YELLOW LED TROUBLE LAMPS, NORMAL CURRENT






















