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Description
Meridian Technologies SXB-2A-5 Fiber Transmission System (Transceiver B)Transceiver B Singlemode Fiber Bidirectional Audio Hot Swappable The SXB 2A 5 Fiber Transmission System (Transceiver B) from Meridian Technologies incorporates an all digital encoding technology that supports two bidirectional 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.
- Transceiver B
- Singlemode Fiber
- Bidirectional Audio
- Hot-Swappable
The SXB-2A-5 Fiber Transmission System (Transceiver B) from Meridian Technologies incorporates an all-digital encoding technology that supports two bidirectional 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 unit supports bidirectional audio transmission
- 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 SXB-2A-5 Fiber Transmission System (Transceiver B)
- 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 | 1.5 lb |
| Box Dimensions (LxWxH) | 10.0 x 7.0 x 3.0" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Expensive but effective
Style: Bundle, Size: 2 Piece Set
This isn’t a miracle cure for acne, but it has proven beneficial for reducing redness and shortening healing time, in part because of how it works and also just as a barrier to prevent picking. Product does what the packaging says it will do. These dots are impressively thin. As the fluid is drawn into the patch, it creates a more pronounced white bump, but it is still thinner than typical extra thin hydrocolloid dressings.
If you’re planning to walk around and be seen while wearing acne patches, these are a great option, even if they are expensive. If you’re going to be primarily wearing patches while you sleep and are at a place in your life where you just don’t care how it looks as long as it works, shop around and cut a patch to size from a large (4”x4” or so) hydrocolloid dressing, and it will do the job just as well.
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Reviewed in the United States on February 11, 2020
★★★★★ 4
Worked well, comfortable.
Style: Bundle, Size: 2 Piece Set
These patches adhere fairly well to my chin, over a very large cystic pimple. I admit, the microneedle patches I used before caving and picking were the Kill brand, not Rael. I figured I would buy both on the off chance I ised all the Kill stickers (whose price tag is honestly ridiculous). After the zit popped though, I found this brand to be preferrable to my usual HERO staple for a number of reasons:
1) While the hero patches are bigger and thicker, this brand was more comfortable to wear long term. As I was treating during my work day, I felt more confident with these thin, flexible sheets than with other brands. They're thinner, but seem to work just as well and are more comfortable.
2) They're practically invisible on my face. Now, it's not really possible to make these things disappear entirely. Because they're thinner, they do wrinkle some when I speak and tend to stretch on the skin. I will say that this recurring zit does live on my chin, so there may be more movement and wear as a result.
3) I feel less inclined to change them early. Because they wear so well, this brand was much less noticable on my face. I couldn't feel it and in fact, forgot it was there until I took a bathroom break. That made it easier to focus on getting work done rather than worrying about how it felt or looked. I did wear a tiny bit of concealer over these and no one seemed to notice.
Overall, pretty good product.
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Reviewed in the United States on March 12, 2020
★★★★★ 5
Magic Spots make your acne..DISAPPEAR!
Style: Bundle, Size: 2 Piece Set
I like this product. I was nervous cause I am allergic to everything. However I got an ingrown pimple right under my nose. It hurt like a mother. So I bought these in hopes it would eat it off my face and I was pleasantly surprised. I put the one that has the crystals under my nose overnight. This morning it ate all the sebum around it and left a weak white head. When I removed the white head, I had a pretty decent hole under my nose. I put a dot from the pink box on it after disinfecting it and drying it off in hopes it will keep it protected while I wear a mask at work. I also had one in pink box on the side of my face in hopes of helping a ragged acne that I had scratched of the scab in my sleep the night before. So it was pretty rough skin. I slapped the dot from the pink box over night as well and my skin is soft. Its still a little red from where it was but its not raised and it doesn't hurt. These are pretty awesome. The adhesion sticks all night did not move ONCE. It was almost like removing a bandaid. They stretch well and fit over most acne spots and they are thick enough to not tear easy and hold all the gross that comes out of your face. I had no real expectations of the product because I wasn't sure how this face magic worked but it definitely does the trick when you have painful ingrown and just stubborn acne spots.
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Reviewed in the United States on February 3, 2021
★★★★★ 3
They work, but not really worth it
Style: Bundle, Size: 2 Piece Set
Off the bat, they work pretty well. It’s not a miracle and they do work but I’d look for something else before buying these again. The micro needle ones did help deeper acne but they break way too easily to justify buying.
The packaging sucks and is confusing. The micro needle dots are two parts that work awfully together. I broke 2 of the 9 just trying to get them off the package. The miracle dots are slightly better but if you get it stuck to your finger trying to get it off, that dot’s a wash.
The adhesive is good in some places and not so good at the edges. A few stayed on well and those that did were nicely transparent. These are not invisible but I’d run out with one on and I have darker skin.
I took them off and noticed that fluid had been drawn out and overall, things were flatter and more calm. However, the amount of these things I threw away due to the awful packaging and just not adhering, I’d have to be at a last ditch effort to buy these again.
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Reviewed in the United States on January 25, 2020
★★★★★ 5
They really do work, although it's a little hard to peel them off the backing.
Style: Bundle, Size: 2 Piece Set
I bought this combo pack because I had one of those deep cysts on my chin that I knew wasn't coming out anytime soon. I already knew the hydrocolloid patches for whiteheads would work, because hydrocolloid bandages work just fine for drawing things out of zits that have come to a head. I was more reluctant about the deep patches, with the microneedles, because it just seemed like nonsense that couldn't possibly work.
They DO work! I put one on that deep cyst and when I woke up, it was 75% smaller than it had been when I went to bed. I couldn't believe it. I was so impressed that I actually said so out loud, to myself, alone, in my bathroom. Normally, that thing would've stuck around for weeks, getting angrier and redder but never coming to a head. I used one again the next night, and in the morning, it was pretty much gone, and it never came back. I highly recommend these.
One issue I have with them is that peeling them off the backing it a bit of a delicate process. You have to be careful not to fold the edge over onto itself, which is easy to do because they're so small and thin. You also have to make sure to place them in the exact right place the first time. But despite these problems, I still gave them 5 stars because they work so well, so there's that.
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Reviewed in the United States on March 18, 2020
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