ST4 is the cable/format for what looks like a telephone cable.If you are using EQMod and are hooked directly to the mount via a computer using USB (in the case of my EQ6-R Pro you don't even need the ST4 cable hooked to the guide scope if it is already hooked also to the computer (in my case the RPi 4 running StellarMate OS). The guiding pulses will be transported via the USB cable to the mount.... and I recently discovered that and it allowed me to junk one more cable from the spaghetti mix on the setup.

Read More...