下面这两句话如何理解？

Laser
1)  206-2 standard rail
mounted on rail with separate power supply cabinet with touch screen controller
2)  206-2 integrated cabinet
mounted in single cabinet w/ laser source integrated with power supply and controller

下面这两句话如何理解？请高手帮忙。谢谢！

这里的“in single cabinet w/ laser source ”什么意思？