Leader LT 4448 CHANGEOVER

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Description

The LT 4448 is a changeover unit that automatically switches the signal from the primary signal to the backup signal when problems are detected in the primary signal.Two systems of input signals (primary and backup) are connected to the LT 4448, and the LT 4448 detects errors in the amplitude of the primary input signal.A single LT 4448 provides 11 pairs of BNC and LTC channels. These channels can receive SDI, NTSC/PAL black burst, HD tri-level sync, AES/EBU digital audio, word-clock, and LTC signals.It can be used in combination with the LT 4610/LT 4611/LT 4600A.

Features

Provides 11 channels (a single channel consists of a primary input, a backup input, and an output) on a single unit.
Relays are used to switch between the primary signals and backup signals of channels 1 and 2. High-speed electronic switches are used to switch between the primary signals and backup signals of channels 3 to 11. For LTC, switching is possible between primary signals and backup signals for three inputs.
The input signal type can be selected. On channels 1 and 2, you can select SDI signals (3G, HD, SD), NTSC/PAL black burst signals, or HD3 tri-level sync signals. On channels 3 to 8, you can select NTSC/PAL black burst signals or HD3 tri-level sync signals. Channels 9 and 10 are exclusive to AES/EBU digital audio signals. Channel 11 is exclusive to word-clock signals (TTL input). LTC channels are exclusive to LTC signals (2 Vp-p differential input).
LTC channels provide three systems of two inputs (primary and backup) and three systems of one output. In addition, an LTC cable (sold separately) can be used to connect to a LT 4610 (Sync Generator).
A delay for starting the fault detection at power up can be set to approximately 1 minute or approximately 4 minutes depending on the rise time of the system signal source that the LT 4448 is connected to.
Redundant power supplies are available for increased reliability. Alarms are generated when errors occur.

Combination with two LT 4610s

Combination with two LT 4600As

Rear Panel

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Settings	Leader LT 4448 CHANGEOVER remove	Leader LT 4611 SYNC GENERATOR remove	Leader LT 4600A MULTIFORMAT VIDEO GENERATOR remove	Leader LV5300A WAVEFORM MONITOR remove	Leader LR 2478 RACKMOUNT ADAPTER remove	Leader LC2152 SFP28 SINGLE-MODE remove
Name	Leader LT 4448 CHANGEOVER remove	Leader LT 4611 SYNC GENERATOR remove	Leader LT 4600A MULTIFORMAT VIDEO GENERATOR remove	Leader LV5300A WAVEFORM MONITOR remove	Leader LR 2478 RACKMOUNT ADAPTER remove	Leader LC2152 SFP28 SINGLE-MODE remove
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Description
Content	The LT 4448 is a changeover unit that automatically switches the signal from the primary signal to the backup signal when problems are detected in the primary signal.Two systems of input signals (primary and backup) are connected to the LT 4448, and the LT 4448 detects errors in the amplitude of the primary input signal.A single LT 4448 provides 11 pairs of BNC and LTC channels. These channels can receive SDI, NTSC/PAL black burst, HD tri-level sync, AES/EBU digital audio, word-clock, and LTC signals.It can be used in combination with the LT 4610/LT 4611/LT 4600A. Features Provides 11 channels (a single channel consists of a primary input, a backup input, and an output) on a single unit. Relays are used to switch between the primary signals and backup signals of channels 1 and 2. High-speed electronic switches are used to switch between the primary signals and backup signals of channels 3 to 11. For LTC, switching is possible between primary signals and backup signals for three inputs. The input signal type can be selected. On channels 1 and 2, you can select SDI signals (3G, HD, SD), NTSC/PAL black burst signals, or HD3 tri-level sync signals. On channels 3 to 8, you can select NTSC/PAL black burst signals or HD3 tri-level sync signals. Channels 9 and 10 are exclusive to AES/EBU digital audio signals. Channel 11 is exclusive to word-clock signals (TTL input). LTC channels are exclusive to LTC signals (2 Vp-p differential input). LTC channels provide three systems of two inputs (primary and backup) and three systems of one output. In addition, an LTC cable (sold separately) can be used to connect to a LT 4610 (Sync Generator). A delay for starting the fault detection at power up can be set to approximately 1 minute or approximately 4 minutes depending on the rise time of the system signal source that the LT 4448 is connected to. Redundant power supplies are available for increased reliability. Alarms are generated when errors occur. Combination with two LT 4610s Combination with two LT 4600As Rear Panel	The LT4611 is a 1U full rack size sync generator that can operate in synchronization with GPS, BDS, PTP, CW, and internal reference signals, as well as Genlock that supports external analog video synchronization signals.It supports analog video sync signals, AES / EBU digital audio output, word clock, and time code, and also supports 3G / HD / SD-SDI output and 12G-SDI output compatible with 4K and 8K.In addition, it supports the PTP grand master function and PTP slave function, and can manage the optimum synchronization system according to the system.The genlock function is equipped with a STAY IN SYNC function that retains the phase when an abnormality occurs in the input analog video synchronization signal, and the power supply unit performs redundant operation, enabling highly reliable system construction.LT4611 has slimmed down the standard functions from the standard specifications of the LT4610, the SDI output function, audio output function, and three of the six analog sync signal output systems to be prepared as optional product. Functions can be added as needed, allowing you to configure the system with specifications that meet your objectives. Features Genlock FunctionVarious output signals can be synchronized by applying NTSC/PAL black burst signals, which are analog video sync signals, and HDTV tri-level sync signals.NTSC/PAL black burst signal with field reference pulse and NTSC black burst signal with 10 field IDs are also supported. Stay-in-Sync and Slow Lock FunctionsA Stay-in-Sync function is available in case errors occur at the genlock input. In addition, a slow lock function is available to reduce the shock that occurs when genlock is performed again based on stay-in-sync. This makes it possible to construct an extremely reliable synchronization system. Analog Video Sync Signal OutputThree analog video sync signals can be output (up to six using an option). The phase of each output can be adjusted independently.NTSC/PAL black burst signal with field reference pulse and NTSC black burst signal with 10 field IDs are also supported. GPS/BDS SynchronizationGNSS antenna can be connected to generate and output signals by locking to the frequency and clock obtained from the GPS or BDS. PTPPTP synchronization corresponds to the grandmaster and slave functions.You can choose reference signal from PTP, GPS, analog BB or internal. Time Code I/OThe ATC (LTC) can be embedded in LTC outputs from internal time, GPS, LTC, and VITC time information, and SDI signal outputs, or VITC in analog video synchronous signal outputs. Triple-rate SDI ReadySDI signal output supports 3G-SDI (level A and level B), HD-SDI (including dual link), and SD-SDI. There are two independent outputs of SDI signal at output terminals. The pattern and phase can be set separately for each. (However, only a single output is available for 3G-SDI level B and HD dual link.) Lip Sync PatternsThis option can output lip sync patterns in which the video and audio are synchronized. In combination with a waveform monitor that features a lip sync function, such as the Leader’s LV5600, it is possible to measure the offset between the video and audio in SDI signal transmissions. 12G-SDI SupportFour output connectors can be added to support 12G-SDI, 3G-SDI (level A, level B) and HD-SDI (including dual links).In addition, it corresponds to the 8K video signal by adding 8K software option. Audio EmbeddingThe LT 4611 can embed 32 channels (stream 1, stream 2, 4 channels each × 4 groups) of audio signals for 3G-SDI level B and 16 channels (4 channels × 4 groups) of audio signals for 3G-SDI level A, HD-SDI, and SD-HDI. The frequency, level, and the click can be set for each channel. AES/EBU Signal OutputThe LT 4611 can output a 48 kHz AES/EBU signal synchronized with the video signals. It is also equipped with a muted AES/EBU signal output. Word-Clock Signal OutputThe LT 4611 can output a 48 kHz word-clock signal synchronized with video signals. Real Time ClockThe real time clock is backed up by a battery. There is no need to reset the clock even when the power is turned off and on. EthernetSNMP is supported. When an error is detected, a TRAP is generated. Further, the LT4610 can be controlled through HTTP. Preset Memory FunctionUp to 10 presets can be saved. Convenient registered presets can be recalled during operation. The LT 4611 can be started with the same settings every time. External Memory SupportLogo data and preset data can be written and saved from the front panel using USB memory devices. Redundant Power SupplyTwo power supplies are built in to provide redundancy. When errors occur in power supply units, alarms are indicated on the LT4610 front panel. Errors can also be output as alarms using SNMP traps. Web BrowserYou can use ETHERNET to control the instrument from a web browser.	The LT 4600A multi-format video generator is a compact, 1U half-rack size SDI video signal generator that supports the triple-rate SDI (3G-SDI/HD-SDI/SD-SDI) format. In addition to test pattern output including color bars and SDI check fields, the LT 4600A is equipped with numerous features such as ID characters, QVGA logo marks, safety area markers, audio embedding, genlock function for external reference input signals, and three analog black signal outputs. Features Triple-rate SDI ReadySupports 3G (level A and level B), HD (including dual link), and SD. The LT 4600A provides two outputs for two signals. The pattern and timing of each signal can be adjusted separately. (However, only one signal can be output for 3G-B and HD (DL).) ID Character OverlayID characters can be overlaid at any position on the display. In addition, ID characters can be scrolled horizontally or displayed in a blinking state for checking whether the display has frozen. Logo Mark OverlayA logo mark up to 320 (dot) × 240 (line) in size (QVGA size) can be overlaid at any position on the display. Logo marks are 4-level monochrome data converted from bitmap data. Safety Area Markers90% and 80% safety area markers can be overlaid on the display. For 3G and HD, a 4:3 aspect marker can also be overlaid. Pattern ScrollingEquipped with a function for scrolling patterns in eight directions. The speed can also be adjusted. Audio EmbeddingThe LT 4600A can embed 32 channels (link A, link B, 4 channels each × 4 groups) of audio signals for 3G-B and 16 channels (4 channels × 4 groups) of audio signals for 3G-A, HD, and SD. The frequency, level, and the like can be set for each channel. Lip Sync PatternsThe LT 4600A can output lip sync patterns in which the video and audio are synchronized. By using Leader’s LV 5770 (A), LV 5800 (A), or LV 7770, the user can accurately measure the lip sync of the video and audio in SDI signals. Genlock FunctionThe LT 4600A can synchronize with NTSC/PAL black burst signals and HD tri-level sync signals. NTSC/PAL black burst signal with field reference pulse and NTSC black burst signal with 10 field IDs are also supported. Furthermore, a Stay-in-Sync function is available in case errors occur at the genlock input. Analog Black OutputEquipped with three pairs of independent black burst signal outputs. The timing can be adjusted by selecting a NTSC/PAL black burst signal or a HD tri-level sync signal whose clock frequency is the same as in the SDI output format. NTSC/PAL black burst signal with field reference pulse and NTSC black burst signal with 10 field IDs are also supported. Word-Clock OutputEquipped with one 48 kHz word-clock output synchronized with video signals. AES/EBU Serial Digital Audio OutputEquipped with two 48 kHz AES/EBU outputs synchronized with video signals. EthernetStandard support for SNMP makes it easy to integrate the LT 4600A in a network environment. External MemoryFirmware updating and user data writing and saving are possible by connecting USB memory devices on the front panel. Preset SettingsUp to 10 presets can be saved. You can recall a preset to start the LT 4600A with the same settings every time. AC Power Supply90 to 250 VAC, 25W max. power consumption	The LV5300A WAVEFORM MONITOR is compact without sacrificing performance, supporting SDI signals from SD through 12G rates and including physical layer testing. The LV5300A is a 3U half-rack, short-depth waveform monitor with a built-in 7-inch touch screen display and a full array of buttons and control knobs.The waveform, vector, picture, audio, and eye pattern displays enable simple yet comprehensive measurements and quality control of the widest range of audio and video formats. The status display allows you to assess errors and system stability with both event logs and long-term charts. Audio embedded in SDI signals can be shown on the level, Lissajous, and status displays. The LV5300A has a DC power input, which enables it to be used in locations where AC power supplies are not available. Moreover, the LV5300A can be battery-operated by installing a battery mount option. With its combination of touch screen, dedicated buttons and knobs, and user-defined screen layouts the LV5300A allows complex measurement and monitoring tasks to be quickly completed in almost any environment. Features Supports various signal inputsIt supports SD-SDI, HD-SDI, 3G-SDI, 6G-SDI, 12G-SDI single link, 4K 3G-SDI dual link. Excellent operabilityThe LV5300 adopts a 7-inch full HD panel with a touch panel function. Eye pattern displayFrom SD-SDI to 12G-SDI. In the physical layer measurement of the SDI signal some eye pattern display, jitter display is possible. Customizable layoutVarious items such as video signal waveforms, vector waveforms, and pictures of input signals can be laid out in any position with your favorite size. SDI signal generation functionSDI signal generation function can handle from HD-SDI to 12G-SDI. HDRThe HDR signal level monitoring and the level management at the assumed luminance (Nits) in a display considering OOTF are possible. Focus AssistWe developed a new focus detection algorithm based on nonlinear super-resolution technology; accordingly the focus with high sensitivity can be detected even with low-contrast images, which were conventionally difficult to detect. MULTI video signal measurement display SDI status display Event Log Phase comparison Vector variable scale 5BAR Gamut Display 5BAR Gamut Display 5BAR Gamut Display CINELITE cursor measurement Cine Light Advance CINELITE advance vector marker Cine zone Cine zone Cine zone Cine zone CINEZONE luminance search function Audio bar graph display WEB browser Mouse operation Touch panel operation Rear Panel	The LR 2478 is a dual rack mount adapter used to install Leader’s 1U half-rack size products in a 19-inch EIA standard rack. It allows two Leader products to be installed side by side.	Transmission Distance：Max 10,000mWave ength：1310nmCompliant standards：25GBASE-LRConnector：LCSupported options：LV5600-SER06,LV7600-SER06
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