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Description
Meridian Technologies SR-2A-3 Fiber Transmission System (Receiver)Receiver Singlemode Fiber Unidirectional Audio Hot Swappable The SR 2A 3 Fiber Transmission System (Receiver) from Meridian Technologies incorporates an all digital encoding technology that supports two unidirectional audio channels over one optical fiber. This model uses singlemode fiber. It is well suited for use in intelligent transportation systems, security & surveillance work, access control, among many other applications and settings. Local
- Receiver
- Singlemode Fiber
- Unidirectional Audio
- Hot-Swappable
The SR-2A-3 Fiber Transmission System (Receiver) from Meridian Technologies incorporates an all-digital encoding technology that supports two unidirectional audio channels over one optical fiber. This model uses singlemode fiber. It is well suited for use in intelligent transportation systems, security & surveillance work, access control, among many other applications and settings.
Local indicators provide a visual indication of the status of each audio channel. 3-pin terminal blocks are used for connection of the audio channel interfaces. This series is also compatible with Meridian's SpectraSmart Network management and diagnostic PC-based system.
The DigiSlim product family is available as rack mount cards and modules that can be installed in any of Meridian's desk chassis or in 19" racking frames. This system can be configured in either star (module to rack) or trunking (rack to rack) configurations. These systems can be transformed in to a standalone module by using SR-500/S (standard configuration) or SR-1000/S frames.
- The device supports unidirectional audio
- This model is a laser-based system that uses singlemode fiber
- This model uses ST or FC fiber connectors
- It features 24-bit native digital encoding
- It uses Surface Mount Technology (SMT) for high reliability and repeatability
- This solution is designed to be reliable and repeatable
- Local LED indicators provide visual cues for system status
- System diagnostics are available for performance parameters
- The card is hot-swappable
- The laser features biased photo-detector circuitry for stable optical output over the full temperature range
- It meets NEMA TS1/TS2 and CALTRANS specifications
- It uses internal switching power supplies
- Automatically resettable solid-state current limiters are included on all power lines to provide equipment protection
- A wide optical dynamic range means optical attenuators are never needed
- Screw terminals are available for audio
In the Box
Meridian Technologies SR-2A-3 Fiber Transmission System (Receiver)
- Ten-Year Warranty Against Defects in Material & Workmanship (from Original Date of Shipment)
| Audio | I/O Impedance: 600 Ohm (Balanced), 47 kOhm (Unbalanced) Frequency Response: 10Hz to 20KHz SNR: >90dB (Weighted) @ 1KHz In/Out Level: -8 to +8dBm (4Vp-p max.) Total Harmonic Distortion: <0.01% @ 1KHz Resolution: 24 Bi |
| Optical | Fiber Type/Size (um): Singlemode (FP Laser) 9/125 Optical Output (dBm): -5 Receiver Sensitivity (dBm): -26 Optical Budget (dB): 21 Wavelength (nm): 1310/1550 Optical Connector: ST, FC Optical Dynamic Range (dB): 24 Fiber Data Rate: 250Mbps |
| Connectors | Video: 75 Ohm BNC (Gold Center Pin) Optical: ST, FC Audio/Contact Closures: 14-pin Screw Terminals |
| Indicators | (1) Green: Power On (1) Bi-Color: TX Carrier/ Laser Over Current (1) Bi-Color: RX Carrier - Present / Error (1) Bi-Color: Audio Present / Overmodulation |
| Life | >170,000 hours @ Ground Fix 35C degrees per MIL217F |
| Power | 6W |
| Dimensions (HxWxD) | 0.8 x 6.5 x 5" (20 x 160 x 127mm) (1) slot |
| Weight | 1 lbs (0.45kg) |
| Packaging Info | |
|---|---|
| Package Weight | 1.4 lb |
| Box Dimensions (LxWxH) | 9.7 x 6.9 x 3.1" |
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4.1 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
Excellent critical history
Format: Kindle
A very thorough and important work, astute view and scope of a history of a philosophy and its most sweeping consequences in the modern era. However, this also tends to be postcolonialism in a nutshell and is, from that view, an argument that goes back to at least the 1950s in academia and further if you're looking for straight up anticolonial voices of the past. Also I don't like the way the author cites sources, often giving the reader no clue as to the specific primary source being referenced, instead referencing an entire volume or a generic secondary source. Lastly, the book falls a little short as an interrogation of the marketplace itself.
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Reviewed in the United States on September 7, 2018
★★★★★ 5
Liberals run and cower, Losurdo is here to destroy you
Format: Paperback
First the physical product review:
The book came in a brand new condition with no wonky missprints or anything. Good quality paperback.
Now the contents:
This book is a complete vivisection of the liberal ideology. Losurdo takes you to the earliest foundations of the liberal ideology and lays bare in great detail its positions and internal contradictions. He studiously walks you through the evolution of the ideology within the context of the times to give the reader a full understanding of how the "great" liberal theorists of the time attempted to navigate the sociopolitical environment, and how their interpretations in turn affected (and continues to affect) the real politick. From the French Revolition to Nazi Germany Losurdo exposes the Liberal ideology for the exclusionary and exploitative sham that it is with Liberal theorists own words and liberal governments' historical actions. If you ever heard the expression "scratch a liberal and a fascist bleeds" this book will fully explain why. Truly a must read that I cannot recommend enough!
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Reviewed in the United States on June 10, 2021
★★★★★ 5
The subtle counterrevolution mixed into the liberal revolutions
Format: Paperback
From the time of Marx/Engels the critique of liberalism has always been set against the heroic tale of its association with the triumph of democracy. As the author here makes clear in close detail the history of the liberal framework is not so transparent, and this can be seen in the way the world of Locke emerges from the radicalism of the English Civil War with a liberalism that will condone slavery. This legacy is inherited by the American Revolution and leaves the whole onset of its democracy ambiguous. This is the classic 'bourgeois' revolution and is what lead to the critiques of the socialists who looked back at the inner failure of the democratic revolutions behind their surface success.
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Reviewed in the United States on July 24, 2016
★★★★★ 5
A Must read for all Americans and those who appeal to the American model
Format: Hardcover
Certainly everybody who uses the words, 'freedom' 'liberal' 'democracy', as so many do so loosely, and so many who appeal to the "New'World" model do, should read this; and then take stock of the double standards and hypocrisy that existed in the past, and which still thrive today, based on discredited myths from the past two or three centuries.
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Reviewed in the United States on June 7, 2013
★★★★★ 5
A Challenge For All Liberals
Format: Paperback
I thought the book was well-written, impeccably sourced, wide-ranging, and with a thesis that can't help but make you think. Well worth your time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2014
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