The RSST card, typically placed right at the wayside signal location, is useful when desiring to retain the easy installation of 3-lead searchlight signal LEDs, for the case when using C/MRI outputs configured for current sourcing. The card handles four LEDs and is scored to be easily separable into two sections with two LEDs each or one section with two and two sections with one each, the ideal for many OS sections. Required series dropping resistors for the LEDs are included along with yellow adjust potentiometers. Screw terminals make it easy to accommodate the necessary wire size change between the small wires going up the signal mast and the somewhat heavier wire running to the nearest C/MRI node.
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Note: The quoted prices for all circuit boards provided by JLC Enterprises are for the fabricated boards only, that is, without any electronic parts. All circuit boards come unassembled and less components. All holes are drilled and all circuit traces are tin plated for easy soldering. Where double-sided boards are provided, all feed through holes are plated-through. The SMINI, SUSIC, RS485, DIN32, DOUT32 and PGCC boards have solder masking on both sides, silk screen legend on component side and are factory tested against shorts and open circuits.