HITBOX HBC65 – CNC interface pinout / signal specs?

 I'm integrating a HITBOX HBC65 plasma cutter with LinuxCNC/QtPlasmaC via its CNC interface (AEC ready signal). Looking for documentation or first-hand experience on:

• Pinout of the CNC interface connectors
• Signal type/level of the AEC-ready (Arc-OK) output — is it a dry relay contact, open-collector, or a voltage-level signal? What voltage/current rating?
• Whether the arc-voltage-divider output is already isolated/scaled, and what the scale factor is (V per V, e.g. 1:50)
• Torch-start/pilot-arc control input requirements (voltage, active-high/low)

Manufacturer documentation seems sparse — has anyone reverse-engineered or received datasheets for this specific interface? Happy to share results back once I get it running.

It seems all there from my quick review.
Voltage output is raw 1:1 (probably reduced to non lethal amperage)
Includes torch on  and arc OK.

Usually, the arcOK is a dry contact relay. Miimium current is usually 100 mA.You need to respect this otherwise oxidisation can result in intermittent operation. There are a couple of ways to do this discussed in the qtplasmac docs.