Support 800-492-2320 ext 3
Power supply connector: OD 5.5mm/ID 2.8mm Adaptaplug "O" enercell 273-346
For device firmware update Configuration Utility should be the tool.
CTS/RTS recommended by support, DCD being required is a surprise.
Product: CL4490 automatically switch to AC4490 on "Read Radio"
Configuration/Test Utility can "open" port without radio attached