Why are there 4 telephone connections on the rear side of the USB device when I only ordered a 1-line system?
There are 4 telephone line connectors on the rear side of every PhoneTree® USB device and are installed for expansion purposes. Each PhoneTree® USB device is capable of being expanded from 1 telephone line to 4 telephone lines. In addition to the phone line connections, there are connectors for external speakers, a power supply and a microphone. External speakers are optional and do not have to be connected to the USB unit a built-in speaker is a standard feature of the USB device.
Related Questions
- Why does FarSync Flex or another USB device not operate correctly when both devices are attached to my system?
- Why are there 4 telephone connections on the rear side of the USB device when I only ordered a 1-line system?
- How the System Data Security Tool alerts during the unauthorized data access through USB device?
