Model Railroad Control Systems: New Products - Classic CMRI Boards and Adapters

Optimized Detector Motherboard (ODMB)

Sun, 12 Jan 2025 22:38:54 +0000

Classic Optimized Detector Motherboard (ODMB). This is the orginial design by Dr. Bruce Chubb. It has positions for 12 Optimized Detectors or DCC-Optimized Detectors (DCC-OD) also works with cpOD-Ms.

Removed from a l..

Price: $20.00

Advanced BiColor Occupancy Display

Wed, 29 Nov 2023 21:51:07 +0000

This is an improved version of the BiColor Led Occupancy Display board. The key improvement is the addition of a resistor pack in series with the Red LED cathode s..

Price: $6.00

Classic JLC RS-232-RS-485 Converter - Used/NOS

Sun, 16 Jul 2023 17:54:19 +0000

This is the classic JLC (Dr. Bruce Chubb Design) RS-232 to RS-485 Converter. It still does an excellent job if you've got a computer with an RS232 port (or existing RS-232 Dongle). We can offer these from time to time as a result of system re-configurations and l..

Price: $40.00

Classic SMINI Node

Fri, 23 Jun 2023 16:19:05 +0000

The SMINI is a classic CMRI board designed by Dr. Bruce Chubb. It has 24 inputs and 48 outputs. It is described in version 3.1 of Dr. Chubb's

This adapter slides onto the 5 position male Molex (0.156") header on an SMINI or

SUSIC and brings the signals out to a pair of 0.100 or 3.5mm screw terminals. It's

8 line tortoise adapter (4 tortii) for Tortoise by Circuitron) plugs onto a classic DOUT or SMINI CMRI output card. Each line is pulled up through a 680 ohm resistor, 12V power is applied through 3.5mm screw terminals and the tortoise is controlled by groun..

Price: $6.00

32 Line DOUT Tortoise Adapter

Mon, 06 Sep 2021 19:09:16 +0000

32 line tortoise adapter (16 tortii) for Tortoise by Circuitron) plugs onto a classic DOUT CMRI output card. Each line is pulled up through a 680 ohm resistor, 12V power is applied through 5mm screw terminals and the tortoise is controlled by grounding one ..

Price: $7.50

CMRI Molex to 3.5mm Adapter with Resistor Pads

Wed, 10 Mar 2021 19:49:17 +0000

The Molex to 3.5mm Adapter with Resistor Pads is intended for use with classic CMRI boards such as DIN24/32, DOUT 24/32 or SMINI. It slides onto the male 0.156" Molex pins and breaks out the pins on 3.5mm screw terminals. Cuttable resistor pads are pr..

Price: $13.00

8 bit DOUT/SMINI Inverting Output to RJ45

Wed, 02 Dec 2020 18:47:05 +0000

RJ45 adapter, 8 bit DOUT/SMINI Inverting Output

This version of RJ45 Adapter is aimed at CMRI users using common cathode signa..

Price: $6.00

18 Volt CTC Machine Lamp - Used - 5 pack

Fri, 31 Jul 2020 17:00:04 +0000

CTC Machine Lamp 18 VAC incandescent for US&S CTC Machine. Removed from service working. Sold in packs of 5, discount at 25.

Price: $6.00