Datasheet

ManualsBrandsSTUDIO TECHNOLOGIES ManualsVideo ProductionLive-Link Jr System. - Remote Camera Interface System

Introduction

Live-Link Jr. is a highly-integrated camera extender system

optimized for electronic news gathering (ENG), uplink

truck, and specialized broadcast applications. The portable

camera end unit and rack-mounted truck end unit provide

all the resources needed for a single-camera live event.

Linked using just two single-mode optical fibers, the same

excellent performance will be supplied whether the units

are hundreds of feet or miles apart. Notable features of

the Live-Link Jr. system include performance flexibility,

support for high-quality on-air (program), talent cue (IFB)

and intercom audio, and ease of use.

50360-0515, Issue 5

Remote Camera Interface System

Live-Link Jr. Camera End Unit

(shown with opticalCON DUO connector)

• 3G/HD/

SD-SDI support

• All audio transported embedded into SDI paths

• Integrated party-line and 4-wire intercom support

• Excellent audio quality throughout

Key Features

Video Transport

Live-Link Jr. transports one SDI video signal in each direction: camera-end-to-truck-end and truck-end-to-camera-end.

3G-, HD-, and SD-SDI signals are fully supported. A “loop” output is associated with each SDI input. This provides a signal that

follows the embedding process within Live-Link Jr. This “post-embedder” signal can be valuable for “confidence” monitoring,

transport of signals via coax, or as an aid during testing or troubleshooting. At the truck end the SDI signal originating at the

camera end unit is provided as two independent, buffered SDI outputs.

Audio Transport

The camera end unit has two “mic/line” inputs that are compatible with microphone or line-level signals. Related features

include adjustable input sensitivity, phantom power, and level metering. Each input stage can be independently set for com

patibility with line-level signals (0 dB gain) or mic signals (gain of 15, 30, or 45 dB). The provided phantom power is +48 volt

DC to ensure correct operation with professional-grade microphones. Extensive filtering on the mic/line inputs minimizes the

chance of audio performance issues occurring due to the presence of radio-frequency signals. Protection against damage due

to ESD (“static”) discharge is also incorporated.

Two balanced line-level outputs are provided on the truck end unit’s back panel and are associated with the camera end unit’s

mic/line inputs. Two additional balanced line-level outputs are also located on the truck end unit’s back panel. These outputs

provide de-embedded analog signals associated with group 1, channels 1 and 2 of the transported SDI. These “convenience”

outputs allow audio embedded, for example, by a camera connected to the camera end unit to be accessible without the need

for an external de-embedder unit at the truck end. They can be very useful when connected to inputs on an audio mixer,

speaker monitor panel, or RF transmission system.

•

Full SMPTE®-standards compatibility

• Standard optical, video, and audio connectors

• Hybrid fiber/copper powering of camera end unit

• AC and DC powering of truck end unit

Summary of content (5 pages)

PAGE 1
Remote Camera Interface System Introduction Live-Link Jr. is a highly-integrated camera extender system optimized for electronic news gathering (ENG), uplink truck, and specialized broadcast applications. The portable camera end unit and rack-mounted truck end unit provide all the resources needed for a single-camera live event. Linked using just two single-mode optical fibers, the same excellent performance will be supplied whether the units are hundreds of feet or miles apart.
PAGE 2
Intercom Line/IFB Signals A major strength of Live-Link Jr. is its integrated 2-channel intercom system. With its extensive resources and capabilities the typical hassles and limitations associated with intercom system implementation should be a thing of the past. A 2channel party-line intercom interface is provided on both the camera end and truck end units. This allows user beltpacks, such as the ubiquitous RTS® BP325, to be directly connected and powered.
PAGE 3
applications. Using one of the GPI/GPO functions along with the auxiliary 5.5 volt DC power source would allow a complete camera tally indicator to be fully implemented. Signal Embedding and Continuous Operation All Live-Link Jr. audio and support signals are transported between units as embedded SDI data. This data is combined with the data already present on the connected SDI input signals. The support signals, such as serial data and GPI/GPO, are embedded as ancillary data. Four Live-Link Jr.
PAGE 4
DUO connector. As previously mentioned, this connector supports two fibers along with four metallic conductors. The camera end unit can be powered by a 10-50 volt DC source that enters the unit via the metallic conductors. This method allows the use of hybrid fiber/copper fiber assemblies to both interconnect the SDI signals and provide power to the camera end unit. A variety of fiber/copper cable assemblies can be used.
PAGE 5
Data Transport: Compatibility: full duplex RS-422 asynchronous (serial) Rate: auto-sensing, 115.2 kb/s, maximum GPI/GPO Transport: GPI Input: +3.3 Vdc logic, activates on closure to system common GPO Output: normally open, isolated, solid-state relay contact, 60 Vdc maximum, 400 mA maximum Auxiliary Power Source: 5.5 Vdc, 40 mA maximum Live-Link Jr.