NEC 9700-96498 Thumbwheel Counter Interface Board is a NEC-branded interface board that provides a built-in thumbwheel counter. The 9700-96498 model includes an extra thumbwheel counter, increasing its counting capacity for NEC equipment that uses thumbwheel input. This board is designed to be integrated into compatible NEC systems to capture and relay thumbwheel counts as part of the control or monitoring circuitry.
