1 or 2 Pole Signal I/O Module
$70.00
1 Pole, Type S, Form A discrete relays
3 Pole, Type S relays, 50 pin header (requires signal I/O mod and limits mainframe to 15 switch modules)
256 channel Mainframe, holds up to 16 switch modules in a matrix configuration or 15 with the general series. Switch Modules are priced separately.
15 Pole Signal I/O w/ D15S Connector
