The Walthers Cornerstone 933-2321 is an HO scale (1:87) advanced control module that lets a Cornerstone Motorized Turntable be operated by DCC, serial UART, keypad or switch contacts. For DCC use it functions as a stationary decoder that requires no CV changes or programming. Item 933-2321 ships with the circuit, a connection cable and complete instructions.

Control options include DCC stationary decoder protocols, a numeric keypad, a button-per-track setup, a rotary selector switch, control box emulation and a serial Rx/Tx UART port, plus digital outputs for a remote dual-digit display and track power relays. The module of 933-2321 measures 2-3/4" (70mm) x 4-3/16" (107mm) and is designed only for the HO 90' (933-2860), HO 110' (933-2851), HO 130' (933-2859) and N 130' (933-2618) Motorized Turntables, each sold separately.

Key Features:
- HO scale (1:87) turntable control accessory
- Item 933-2321 from Walthers Cornerstone
- For DCC operation, functions as a stationary decoder with no programming
- Also supports serial UART, keypad and switch contact inputs
- Button-per-track, rotary switch and control box emulation modes
- Digital outputs for remote display and track power relays
- Includes circuit, connection cable and instructions
- Measures 2-3/4" (70mm) x 4-3/16" (107mm)
- For 933-2860, 933-2851, 933-2859 and 933-2618 turntables (sold separately)