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User Manual for Link Electronics LEI-592M IP Caption Processor - Master Click to enlarge the picture
Contents of the user manual for the Link Electronics LEI-592M IP Caption Processor
- Product category: Closed Caption Equipment Link Electronics
- Brand: Link Electronics
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Link Electronics Closed Caption Equipment
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User manual for the Link Electronics LEI-592M IP Caption Processor contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Link Electronics product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Link Electronics user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Link Electronics product will considerably shorten its lifespan!
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Product description The Link Electronics LEI-592M IP Caption Processor - Master is used for serial communication between an SD / HD closed caption encoder and the source of the serial data via the internet. Equipped with an audio transreceiver for signal transmission, it eliminates the need for phone lines as well as an internet-capable encoder. The system connects the master at the encoder location and input data at the serial port or audio jack is output through the serial port or audio jack of the slave, respectively. With selectable baud rates of 1200, 2400, and 9600 and a selectable serial / USB port, the master unit supports 8-N-1 or 7-O-1 type of serial data. Data is transmitted through UDP (User Datagram Protocol), a simple message-based protocol that eliminates the need for a dedicated end-to-end connection. A serial tunnel is used to transmit aerial and audio data that can be encrypted and password protected via the web browser. Without including the latency of the internet, the audio latency is less than 0.2 seconds. The address of the master unit is permanently stored in the flash memory of the slave unit to allow secondary units to connect to any primary unit. In case of an internet connection break, the unit configurations will be automatically reset and the connection will be established. The master unit is connected to a gateway router with port forwarding enabled; in the absence of a static IP for the router, a dynamic DNS service setup is needed. When the processor is powered, the audio LED turns green to indicate a good connection between the master and slave, while it turns amber to indicate audio detection with a low volume. Green and amber lights in the data LED indicate sent and received serial data, respectively. In addition to input volume controls, the master has a standard 3.5mm mono headphone jack. - Used for serial communication between an SD or HD closed caption encoder and the source of the serial data via the internet (audio and data transmission)
- Eliminates the need for long, complicated phone lines and an internet capable encoder
- Input data at the serial port or audio jack of the master is output through the serial port or audio jack of the slave, respectively
- Selectable baud rates of 1200, 2400, and 9600 and selectable serial / USB port
- Supports 8-N-1 or 7-O-1 type of serial data
- Transmission of data is carried out through UDP (User Datagram Protocol), a simple message-based protocol that eliminates the need for a dedicated end-to-end connection
- Aerial and audio data are transmitted via a serial tunnel
- Data encryption and password protection setup via a web browser
- Audio latency is less than 0.2 seconds (without including the latency of the internet)
- Address of the master unit is permanently stored in the flash memory of the slave unit, allowing any secondary unit to connect to any primary unit
- In case of a connection loss, the configurations of the units are reset and the connection is re-established
- Connected to a gateway router with port forwarding enabled
- Audio LED turns green to indicate a good connection between the master and the slave, while it turns amber to indicate audio detection with a low volume
- Data LED turns green when sending serial data to the internet
- Units equipped with standard 3.5mm mono headphone jacks and volume controls
In the Box Link Electronics LEI-592M IP Caption Processor - Master 10-Year Warranty Table of Contents
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Technical parametersLink Electronics LEI-592M Specs | Rear Panel | Ethernet: WWW Connection
Mono Audio: Mini 3.5 mm Male Connector
USB: Connects to PC
RS-232: Connects to PC | | Front Panel | Power On/Off: AC Power On or Off
Fuse: 250 mA Rating
Audio: Detection of Input Audio
Data: Caption Data Presence
Rate: Baud Rate; A=1200, B=2400, C=9600
Parity: 7 Odd or 8 None
Volume: Audio Volume Level Control
Communication: USB or RS-232 | | Environment | Operating Temperature: 32 - 122°F (0 - 50°C)
Humidity: 10 - 90% non-condensing | | Power Requirements | 115 - 225 VAC | | Power Consumption | 4.2W | | Dimensions (HxWxD) | 1.8 x 5.5 x 9.3" (46 x 140 x 236mm) | | Weight | 2.5 lbs (1.1kg) | | | | Package Weight | 2.0 lb | | Box Dimensions (LxWxH) | 14.0 x 11.0 x 6.0" |
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