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Home Products Test Equipment Link SDI Presence Detector - LEI-515

Link SDI Presence Detector - LEI-515
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Link SDI Presence Detector - LEI-515

Mfr # LEI-515
( Link Electronics )
Price: $ 599.00


The LEI-515 is designed to monitor two serial component digital signals and automatically switch to a backup digital source. In the event of a failure of the number one digital signal the LEI-515 will switch to an auxiliary signal. A captive-screw terminal sub-module is provided for "audio-followvideo" capability or status mode, which is switched internally.

A three-terminal dry-contact connector offers normally-closed and normally open contacts to control peripheral gear. The rugged and compact LEI-515 can mount in a one 1RU frame that holdsup to three "500 Series" or "700 Series" units. Both component (270MB/s) and composite (143MB/s) digital video formats are supported.

The 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 re-shape the signal.

This DC voltage is compared to a front panel userset threshold voltage. If the automatic gain/EQ voltage exceeds the threshold voltage, the LEI-515 will switch to its auxiliary input.

This "sensitivity" adjustment gives the LEI-515 the ability to select it's auxiliary input even before data errors are visible in the primary input.

Front panel switches allow you to override the automatic change-over function and choose either video source. Dual front panel "status" LEDs indicate the presence or absence of both Primary and Auxiliary video inputs.

Primary/auxiliary switching is accomplished by an active 2:1 multiplexer. This allows the user to take advantage of the automatic gain and equalization capabilities of the input receiver. However, a 75 Ohm matched-impedance relay is also incorporated to allow the input signal to pass through if power is lost to the LEI-515.

Engineered with the user in mind, the LEI-515 serves an important role in complete digital system reliability. Backed by Link's standard 10-year warranty, the LEI-515 will provide years of errorfree service.
● Serial Digital Detect
● Auto Detection of Loss of D1
● Threshold Adjust
● Manual Override
● Hard By-pass
● LED Indicators

SERIAL DIGITAL VIDEO INPUT:
Standards:
Composite: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143Mb/s, SMPTE 259M-A
Component: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270Mb/s, SMPTE 259-C
Impedance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75Ù
Return Loss: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >15dB
Signal Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mV±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

ENVIRONMENTAL:
Temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to 50° ambient
Humidity: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0% to 90% non-condensing

POWER:
Input: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120/240 VAC
Power: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 watts

MECHANICAL:
Height: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Inch
Width: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 Inches
Depth: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.25 Inches
Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Lbs. 7 Oz.

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Last Updated: Friday, 25 May 2012 17:45