- Typically used with vehicle mount computers not capable of providing enough power on USB port for DS3608-ER in default power mode - this includes Honeywell CV60/CV61, VM1, etc.- 'Y' Cable uses USB A port on computer for power and communication. DB9 serial port with power on Pin 9 provides additional power needed for DS3608-ER.- Requires two ports on device (USB port and COM port that provides 5V power on Pin 9). • Cable rated for 1.2A current - Coiled cable is 9 ft long when extended and is about 5 ft. long when un-extended.- Rated to -30ºC for freezer environment use.