3 Pole Signal I/O
$90.00
1 Pole, Type S, Form C, two 20 pin headers, requires signal I/O mod and limits mainframe to 15 switch modules
3 Pole, Type S relays, 50 pin header (requires signal I/O mod and limits mainframe to 15 switch modules)
2 Pole, Type S relays, choose connectors and configuration
Signal I/O Module for common slot