SKU: 1497967103

56EYA 1U 4Post High Power Er/Yb Doped Fiber Amplifier EDFA

Sale price$269.75 Regular price$299.72
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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1

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Description

56EYA 1U 4Post High Power Er/Yb Doped Fiber Amplifier EDFAThe 56EYAxx series high power optical amplifier is a high power multi port output fiber amplifier with a gain spectrum bandwidth of 1535~1565nm. It is mainly designed for applications of CATV or 1~8 continuous strip channels (ITU wavelengths). It provides a flexible, low cost solution for large scale FTTH coverage of CATV systems in large and medium sized cities. 56EYAxx can achieve single wavelength cable TV transmission, CWDM single fiber three

The 56EYAxx series high-power optical amplifier is a high-power multi-port output fiber amplifier with a gain spectrum bandwidth of 1535~1565nm. It is mainly designed for applications of CATV or 1~8 continuous strip channels (ITU wavelengths). It provides a flexible, low-cost solution for large- scale FTTH coverage of CATV systems in large and medium-sized cities.

56EYAxx can achieve single-wavelength cable TV transmission, CWDM single-fiber three-wave, flat gain, DWDM; its reliable and excellent performance ratio between the main application of FTTH, FTTB, DBS, MMDS, FTTX pon, is to build CATV large Medium-sized optical fiber transmission network is an important equipment.

Erbium co-doped double-clad fiber technology.

Built-in low-noise preamplifier eliminates the need for EDFA cascading, greatly reducing system CNR and MER degradation.

Output total power range: up to 23dBm ~ 37dBm (5W) optional.

Output power adjustable range +0.5~-4dBm.

Perfect network management interface, in line with SNMP network management protocol.

Adopts a mature dual-power hot backup structure dedicated to servers, and cooperates with a microcomputer-controlled intelligent temperature control system to effectively improve system reliability.

Adopt 144*32 blue dot matrix LCD display to realize parameter on-site monitoring.

The front panel indicator monitors and instructs the operatingstatus of the equipment parameters in real time. Easy to find problems in time.

The back panel can be flexibly removed and replaced according to the number of output ports.

Technical parameters 56EYAxx
Maximum received range 1535-1565nm
Lowest input optical power -10dBm
The highest input optical power +10dBm
Extreme operating temperature -5℃ ~+42℃
Limit supply voltage AC90~265V or DC38~58V


Technical parameters 56EYAxx
Wavelength 1535-1565nm
Input power range -5dBm~+10dBm(normal input -2dBm~+5dBm)
Output optical power 26dBm~37dBm
Optical power stability ±0.1dBm
Noise figure ≤ 5.0dB(Pin=0dB)
Input return loss ≥ 45dB
Output return loss ≥ 45dB
C/N ≥ 50dB
C/CTB ≥ 63dB
C/CSO ≥ 63dB
Optical connector SC/APC;SC/PC;LC/APC;LC/PC
Supply voltage AC110/220V(90V ~ 265V)  or  DC48V(38 ~ 58V)
Consumption ≤ 50w
Working temperature -5℃ ~+42℃
Storage temperature -30℃ ~ +70℃
Maximum working relative
humidity Max 95% non-condensing
Size 380(W)*482(L)*44(H)mm
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 1497967103

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Mike L.
Phoenix, US
★★★★★ 4
Comfortable fit for slip-in fabric shoes
Size: 14, Color: Black/Black
My first experience with Marc Joseph. I typically purchase dress and casual work shoes from Florsheim and occasionally Rockport. I'm giving these four stars because the initial fit and feel appear solid. Depending on the shoe brand I wear a size 14 or 15. My feet are slightly wide but I don't alway need wide fit. These size 14 fit well with wide enough toe box. I've tried slip in shoes before and they just don't feel right. These somehow work and there is no heel slip. My only reservation is the high lip on the heel for slip-in and hope they dont catch pant hems. I gave 4 stars because I'll have to determine durability. Granted they are a light fabric shoe with a soft rubber tread. I'd like them to last for at least 6 months..and use them for business casual work wear during warm weather.
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Reviewed in the United States on May 19, 2026
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Chris
New York, US
★★★★★ 5
Stylish and comfortable.
Size: 8 Wide, Color: Black/Black
Shoes look great and fits well. Definitely recommend pocking another pair.
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Reviewed in the United States on May 10, 2026
M
Verified Purchase
Mike
Phoenix, US
★★★★★ 3
Narrow for an 11.5W
Size: 11.5 Wide, Color: Navy
Nice look and material but very narrow for a wide, had to return
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Reviewed in the United States on February 25, 2026
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Verified Purchase
David Kuck
Birmingham, US
★★★★★ 5
NIce Shoes
Size: 10, Color: Black
Very nice quality and comfort
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Reviewed in the United States on June 1, 2026
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Verified Purchase
elizabeth a.
Carnegie, US
★★★★★ 5
Great shoe.
Size: 11.5, Color: Navy
Perfect fit. Stylish comfortable.
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Reviewed in the United States on May 2, 2026

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