These modules have 16 relays with inputs located on rear panel header connectors and outputs bussed on the motherboard. VX16/G3 has 16 three pole relays wired out to a 50 pin header requires signal I/O mod and limits mainframe to 15 switch modules.
$485.00
32 Wire, 2 Pole, Type S relays, two 20 pin headers, H20RT. Requires one VX16/G2-SIO Signal I/O Module per system which limits the mainframe to 15 switch modules.
8×1 High Isolation Terminated Switch Module w/BNC
4×1 One Pole Terminated Type S Reed
4×1 One Pole Type S Reed w/BNC