Intended use: The USB-TTL ”INTU” interface enables local connection of a PC with a PSU of the PSBEN (Black Power) / EN54 (Red Power) series. The interface is recognised by the computer"s operating system as a virtual COM port. To make a connection, no additional devices are required. Power supply: 5V DC(max.25mA) from the computer’s USB port. Transmission’s speed: Max. 115200 bauds, with parity check. Compliance of the USB interface: USB 1.1USB 2.0 (Full Speed). Dimensions: 57 x 32 x 25 [mm]. Length of the PSU wire: 1,5m. Length of the USB wire: 1,7m. Works with the PowerSecurity programming software.