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Browse Product Catagories ... Answering Machines Assisted Living Caller ID Conference Phones Corded Phones Cordless Phones Fax Machines Headsets On-Hold Systems Paging Systems PBX Systems ... Product 2-way radios adsi phones answering systems assisted living cabling caller id conference phones corded phones cordless phones fax machines headsets line sharing devices novelty phones on-hold systems paging systems pbx systems voice over ip product categories brands special offers featured products pbx clearance sale shopping basket support contact shipping FAQ store index product search privacy policy gift certificates Viking Electronics LDB-1 Loop Detector Board with on board 12 Volt Regulator Want Phones Price: $37.12 Regular Price: $69.95 You are saving: $32.83 Viking's LDB-1 provides a loop activated contact closure when used in series with telecom devices on analog phone lines. The LDB-1 will initiate a dry relay contact on any off-hook condition. Alternatively, add the optional PS-2 power supply to provide switched DC power. The relay itself is phone line powered and does not need an external power supply. Because both TIP and RING currents flow through the relay, excellent line balance is maintained. Applications A-Lead Control Line "In-Use" detector/indicator Features Phone line powered Excellent line balance Optional PS-2 power supply for switched power Made in the USA 1 Year Warranty Specifications Dimensions: 47.6mm x 30.5mm (1.875" x 1.2") Mounting: (2) #4 screws (not included) or foam tape (included) Shipping Weight: .45 kg (1 lb.) Added Loop Resistance: 40 ohms Maximum Loop Current: 125 mA Minimum Loop Current: 18 mA Operating Temperature: 0° to 70°C (32° to 158° F) Maximum Supply Voltage Input: 35 V DC Maximum 12V Supply Current: 500 mA with PS-2 Longitudinal Balance: 63 dB minimum Maximum Contact Voltage: 200 V DC Maximum Contact Current: 500 mA Maximum Contact Power: 10 W Connections: 7 pin screw terminal block Want Phones Price: $37.12 Regular Price: $69.95 You are saving: $32.83 Availability: Add to cart for availability. Item Code: 5830 Customer service lines at Want Phones are open 9am - 5pm Pacific (12noon - 8pm Eastern) -- Monday thru Friday Call us at 425-608-5290 to speak to a representative or email us at [email protected] © copyright 1999 - 2004 Want Phones -- all rights reserved

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