RR-CirKits, Inc.
Specializing in Affordable Electronics for Model Railroads

Index of Manuals (Last updated July 20th, 2020)

color key
LCC (NMRA Layout Command & Control)
color key SSB (Simple Serial Bus)
color key Logic level I/O modules. Suitable for any 8 channel 10 pin I/O port.
color key LocoNet devices

Product ID Description Manual Comments
4ASD-4
Four Aspect Signal Driver - 4 head
4asd-manual.pdf
BOD-1
 DC/DCC Occupancy Detector - 1 channel BOD-1-manual-ss.pdf
BOD-4-CP
Detector/Driver - 4 channel BOD-4-CP-manual.pdf This board is designed to augment the Signal-LCC to complete a Control Point.
BOD-8
CT coil Occupancy Detector - 8 channel BOD-8-manual.pdf
DCDB-8
Direct Current Driver Board - 8 channel
DCDB-8-manual.pdf
FOB-A
Fan Out Board - 8 line with resistors
fob-a-manual.pdf
FOB-B
Fan Out Board - 4 head signal demultiplex fob-b-manual.pdf This board is for use with the 4ASD-4 and LNCP only. (Digitrax SE8-c style cables)
FOB-C
Fan Out Board - 16 line fob-c-manual.pdf
I/O Tester
Input - Output Tester board


LB-II LocoBuffer-II Serial Interface
LB-II Rev-f.pdf
LocoBuffer-II driver Download
LB-NG LocoBuffer-NG LB-NG-b-quick-start.pdf LocoBuffer-Next Generation
LB-USB LocoBuffer-USB LocoNet Interface Old LB-USB-manual.pdf

LB-USB-manual-Rev-n and newer
LB-USB-quick-start.pdf
Schematics
LocoBuffer-USB drivers
Driver Install Instructions for XP -- Windows 7
Driver Install instructions for Windows 8.
Driver Install instructions for Windows 10.
LCC-LocoNet Gateway LCC-LocoNet Gateway LCC-LocoNet Gateway Manual Rev-a2 Preliminary manual - new product. Some sections are incomplete.
LCC Buffer-USB
NMRA LCC to USB Interface


LNCP LocoNet Control Point LNCP-manual-d.pdf Work Sheets: Logic Sheet  Signal Sheet
MotorMan
8 Output Turnout Driver - SSB
MotorMan-manual-a.pdf
OIB-8
Opto Isolator - 8 Channel
OIB-8-manual.pdf
Power Point
LCC Bus Power Injector


RB-4
SPDT relay - 4 Relays RB-4-manual.pdf
Repeater
LCC Bit level Repeater


SCSD-8
Single Coil Solenoid Driver - 8 Channel
SCSD-8-manual.pdf
SDB-4
Searchlight Driver Board - 4 channel Bipolar
sdb-4-manual.pdf
Signal - LCC 16 LED Driver plus 8 I/O for LCC Bus Signal LCC-manual-c.pdf April 2018 Draft version still Under Construction.
Signal - LCC-32H 96 LED Driver plus 8 I/O for LCC Bus SignalLCC-32H-manual-c.pdf Sept 2024 Draft version still Under Construction.
SignalMan-c/p 16 Output Signal Driver - SSB SignalMan-manual-d.pdf
SMD-8 Stall Motor Driver - 8 Channel SMD-8-manual.pdf
SSB-Gateway
Simple Serial Bus - Stand Alone LocoNet

SwitchMan
16 Channel LED driver (or 8 dual coils)


TC-64 64 Line I/O - LocoNet
TC-64-manual.pdf

TC-64 Work Sheets: Basic Sheet  Initial Sheet
The TC-64 is no longer manufactured. It has been replaced by the TowerController Mark II.
TC-Mark II 64 Line I/O - LocoNet TC Mark-II manual-d.pdf
TowerController-Mark-II-CVs-Rev3.pdf

Terminator
LCC Bus Terminator


Tower - LCC
16 Line I/O for LCC Bus
Tower-LCC-manual-f.pdf Last Update August 2020 (for Firmware C5)
Corrections for error messages.
Tower - LCC+Q
16 Line I/O for LCC Bus
Tower-LCC+Q-manual-d.pdf Last Update July 2024 (for Firmware v1.10)
TowerMan
16 Line I/O - SSB
TowerMan-manual-b.pdf Last Update November 2016
WatchMan
8 Block CT Coil Occupancy Detector - SSB
WatchMan-manual-a.pdf