Loop and Ring Detector Board VK-LDB-3
SKU: VK-LDB-3
GTIN: 615687221862
Old price: $106.99
$75.99
- Viking Advanced Loop Detector loop detect board for ring and line "in use" contact closures
- Provide a contact closure during ringing and/or off-hook
- Monitors an analog phone line for ringing or an off hook condition
- A buil
