TII Network Technologies NID - SVN-1

The TII SVN Switchable Voice NID contains a microprocessor controlled circuit that provides seamless switching from Telco service to digital phone service. The second ringing voltage appearance on the digital phone service initiates the switch over. Secondary telephone line surge protection is provided to reduce the risk of damage to MTA's, telephones and other connected equipment. Reset feature allows the SVN to be restored to its initial configuration. The TII SVN utilizes gel-sealed IDC terminations that provide reliable all weather connectivity. Listed to UL 1863. Dimensions: 5.68" H x 4.33" W x 2.55" D.