This application note addresses the various powering options for the Quad Fiber Loop Converter (QFLC) and DS3 Fiber Loop Converter (DS3 FLC). Housing The ADC Quad Fiber Loop Converter (QFLC) and DS3 Fiber Loop Converter (DS3 FLC) modules can be housed in either the eight position chassis or the four position wall mount chassis. Each module also fits into a specially designed two position horizontal chassis. All these chassis use a different powering arrangement.