Viking LDB-1 Loop Detector BoardViking LDB 1 Loop Detector Board provides a loop activated contact closure when used in series with telecom devices on analog phone lines. Viking LDB 1 Features: Phone line powered Excellent line balance Optional power supply (Model #: PS 2) to provide switched DC power Initiates dry relay contact on any off hook condition Mounting: (2) #4 screws (not included) or foam tape (included) Added Loop Resistance: 40 ohms

Made with heavy-duty materials

Extended operating temperature range: -15°F to 130°F

relays and paging cards

Viking PNL40-BN Replacement Faceplate comes with color matching screws for the E-40 Series entry phones

Selectable ring delay: 1

25-50 ft talk-back range

stainless steel flush mount unit

Multi-Tone Generator is a multi-tone generator designed to add multiple contact-controlled audio tones to paging systems or 600 ohm inputs

25A adapter provided

Panel Finish: UV stable clear gloss powder paint

Concealed in a standard RJ11C jack

This system provides clear and reliable communication between passengers in an elevator and the outside world in case of an emergency