These modules have 16 relays with inputs located on rear panel header connectors and outputs bussed on the motherboard. The G-1S has 1 Pole, Type S relays, two 20 pin headers. Requires a signal I/O mod and limits mainframe to 15 switch modules.
$265.00
32 Wire Signal I/O Module with two H20RT Connectors
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.
1 Pole, Type S relays, choose connectors and configuration
4×1 One Pole Terminated Type S Reed