3 Pole Signal I/O
$90.00
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. Price includes 16 LED Display Modules. Switch Modules are priced separately.
15 Pole Signal I/O w/ D15S Connector
Prototype Module w/ 2803 relay drivers