We're using various link systems.
1. MCP and MCBC controllers are working with 4pin XLR connectors. All 4 cores need be used.
2. GMC, GMD, AHD controllers are working with 5pin XLR connectors. Only 1-3 cores are needed as is RS485 link, the pin 4+5 are used as DC power source for Cable remotes.
3. WMC controllers are working wiht 3pin XLR connectors. Only 1-3 cores are needed as is RS485 link.
These three letters says how we handle wrong phase align on hoist controller power in: