Kit built Littfinski Daten Technik (LDT).
LDT Littfinski RM-GB-8 8-Way Feedback Module Rev. 1.2 With Cable
LDT 8-fold Feedback Module with integrated occupancy detector
DCC S88N Feedback module
00801 8 Channel Feedback Module 2+3 Wire, Ground Switch For RS-Bus, LocoNet S88
DIGIKEIJS DR4088LN-CS CURRENT SENSOR FEEDBACK MODULE WITH LOCNET
DIGIKEIJS DR4088-CS CURRENT SENSOR FEEDBACK MODULE