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.
$535.00
2 Pole, Type S relays, choose connectors and configuration
1 Pole, Type S relays, choose connectors and configuration
Low Leakage / High voltage Module
8×1 One Pole Type S Reed w/BNC