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NMRA Electrical Committee:

Digital Command Control Files for FTP

Below is the listing of files which you can download. If you have problems with your browser, you can do an anonymous FTP from: ftp.mcs.net and go to the mcsnet.users/dsdawdy/Cyberspace/NMRA directory to retrive these files.

FAQ Files

FAQ Version 1.9 Frequently Asked Questions

Standards & Recommended Practices

PLEASE NOTE: All approved standards and RP's are now Copyright NMRA and will appear on the NMRA Web pages in the Standards and Recommended Practices section in full HTML for viewing and printing. All other unapproved documents will remain here.

R.P. 9.2.3 -Service Mode Postscript file compressed with ZIP

Schematics

Serial Port Booster Schematic w/Feedback Circuit 1.4 GIF File

Serial Port Booster Schematic 1.3 Postscript, uuencoded and compressed

Assorted Schematics GIF files, Zipped

Hardware / Software

DCC-MB Digital Command Control Interface for MS-DOS Computers by Michael Brandt [Off Site Link]

Command Control Station Code for Macintosh sea, hqx file

Command Control Station Code for Macintosh uuencoded, compressed, tar file

Command Station for Macintosh binhex'ed archive of the executable

Source code for Makepacket

Header file for Makepacket

Makepacket 1.0 Better tested packet generators for synchronous transmitters ACSII - c source code

PacketScript v1.1 for Macintosh Modified to produce shortest possible packet - Self-extracting archive, bin-hexed

Source Code For: Code to convert the bytes that make up a packet into a stream of bytes to send out the serial port to make the NMRA signal. It should compile with any ansi C compiler

Programmer 1.0 This archive contains Programmer 1.0 and the serial port booster schematic 1.4. The serial booster has been revised to detect the feedback pulse in service mode that allows you you to read values out of registers. The Programmer application is a simple program to let you read and write to all 8 registers of a decoder. Source code included.

NEW - 3.56 of FastClock+DCC [Off Site Link]

DCCPASFX.ZIP - (Protocol Analyser for DOS) With Australian Digital Command Controls Protocol Analyser and your IBM PC compatible machine you will finally be able to see what's in those packets as they appear on the track. You can view the waveform itself, view the raw data as a string of ones and zeros or view the packets in a completely decoded form. The data samples can be saved and later loaded for view and the data itself can be filtered to an individual address for ease of viewing. The fully decoded packet includes preamble, error byte and synchronisation information.