The Power of AISG v2.0 and AISG v3.0.

In AISG v2.0 the 8-pin connector has dedicated DC power pins for +12V, 10–30V and −48V DC. Typically the 10–30V DC pin is used to power the secondary devices.

In AISG v3.0 the 8-pin connector has only one pin dedicated for DC power, the 10–30V pin.