Special Features:

Link system utilizes multiple analog phone lines and automatically routes calls to and from your existing pstn telephone service; having 4 rj-11 fxo ports; caller id detection; 8 led's; power, status, lan, ports 1-4, usb; also has external switching power adapter 5v dc/2a

Properties:

A self-contained item or group of items, which permit the transfer of information between various types of communications support equipment and/or systems. Adjustment, monitoring, and display functions may be included. Excludes modem (as modified).