Link Electronics LEI-515 SDI Presence Detector

Link Electronics LEI-515 SDI Presence Detector

Link Electronics LEI-515 SDI Presence Detector

B&H # LILEI515 MFR # LEI-515B
Link Electronics LEI-515 SDI Presence Detector

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  • 1Description

The LEI-515 SDI Presence Detector from Link Electronics is a unit designed to monitor (2) serial component digital signals and automatically switch to a backup auxiliary source in instances of signal failure. This module also features "audio follow video" functionality, which is switched internally with a captive-screw terminal sub-module. This unit supports both Composite and Component video signals.

This unit's input receiver device monitors the incoming signal level and produces a DC voltage proportional to the amount of gain and equalization necessary to recover and reshape the signal. If automatic gain/EQ voltage exceeds the threshold voltage, this device will switch to auxiliary input.

Adjustment features give this unit the ability to select auxiliary input before data errors are visible in the primary input. Front panel switches allow you to override the automatic changeover functions and choose either video source. Dual front-panel LEDs indicate the presence or absence of video input signals. Switching is accomplished with an active 2:1 multiplexer and a 75Ω matched-impedance relay allows the input signal to pass through even if power is lost.

Detection & Backup
This unit allows you to monitor (2) serial component digital signals and automatically switch to a backup auxiliary source in instances of signal failure.
Multi-Format Support
This unit supports both Composite and Component video signals.
Manual Override
Choose to override this unit's automatic features and choose the video source as needed.
LED Indicators
Dual front-panel LEDs indicate the presence or absence of video input signals.
In the Box
Link Electronics LEI-515 SDI Presence Detector
  • Detector
  • Ten-Year Warranty
  • Table of Contents
    • 1Description
    Video Input SERIAL DIGITAL VIDEO INPUT:
  • Composite: 143Mb/s, SMPTE 259M-A
  • Component: 270Mb/s, SMPTE 259-C
  • Impedance: 75ÿ©
  • Return Loss: >15dB
  • Signal Level: 800mVÿ±1%
  • CMR: 30Vp-p, up to 60Hz
  • Connectors: BNC
  • Audio
  • Type: Four (4) Form C Contacts
  • Connectors: Sub D Connector with Screw Terminals
  • Configuration: Analog & Stereo, balanced, single ended or AES/EBU Digital
  • Analog Aux. to Primary Cross Talk: > 100 dB
  • Analog Left to Right Channel: >95 dB
  • Indicators
  • Input Alternate Digital Video: Green/Red LED
  • Input Main Digital Video: Green/Red LED
  • Output Alternate or Main: Green LED
  • Dry Contact Switch Configuration: SPDT, Form C
    Power Rating: 0.5A/120VAC
    Terminal Type: Captive Screw Terminals
    Operating Requirements Temperature: 0° to 50° ambient
    Humidity: 0% to 90% non-condensing
    Power Input: 120/240 VAC
    Power: 0.3 watts
    Dimensions (WxDxH) 5-1/2 x 9-1/4 x 1"
    Weight 2 lbs 7 oz.
    Packaging Info
    Package Weight 2.0 lb
    Box Dimensions (LxWxH) 14.0 x 11.0 x 6.0"

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