Eclipse 400-028 Dual-Line Telephone Tester

The Eclipse 400-028 is a 2-Line Telephone Tester. This unit tests one or two line in same RJ11 telephone jacks. Also has a modem protector built in. Plugs into a 6 or 8 position modular jack. Indicates status of line 1 (center pair) or line 2 (outer pair) with tri-color LED. It also Protects modem. Features: Tests one or two line in same RJ11 telephone jacks Modem protector built in Plugs into a 6 or 8 position modular jack Indicates status of line 1 (center pair) or line 2 (outer pair) with tri-color LED What's In the Box: Eclipse 400-028 2-Line Telephone Tester