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1+1 PDH Multiplexer


Product Impression:

  1. Manufacturer: SOPTO
  2. Latest Price: Contact our customer services NOW!
  3. Data Rate: 10/100Mbps, 1000Mbps
  4. Wavelength: 850nm, 1310nm
  5. Number of E1:1E1/2E1/4E1/8E1/16E1
  6. E1 Interface: 120ohm or 75ohm
  7. Fiber Types: Single fiber, Dual fiber
  8. UTP Cable: UTP category 5, 5e cable
  9. Color: White/Sliver or as customized
  10. Fiber Connector Type: SC, FC
  11. Interface Type: RJ45, E1, fiber port or BNC
  12. E1 Interface Impedance: 75Ω (unbalance), 120Ω (balance)
  13. Transmission Mode: Half duplex or full duplex
  14. Transmission Distance: SM dual fiber 20km
  15. Storage Temperature: 0 ~ 50°C
  16. Operating Temperature: -20 ~ 70°C
  17. Operating Humidity: 5% ~ 95% RH no condensing
  18. Storage Humidity: 5%~90% RH no condensing
  19. Dimensions: 438(W) x 150(D) x 44(H) mm
  20. Weight: 2000 g
  21. Power: 220V or 110V or 48V power supply or both; AC180V ~ 260V;DC –48V;DC +24V
  22. Power Consumption: ≤5W
  23. Manageable or Unmanageable: Manageable
  24. Application: Point-to Point applications
  25. Browse the Evaluation: Click here to browse


Performance Feature:

  1. Based on self -copyright IC
  2. Modular wide dynamic optical detector
  3. E1 interface complies with G.703, adopts digital clock recovery and smooth phase-lock technology
  4. When optical signal-loss happens, it can detect the remote device is power off or fiber is disconnected, and indicates alarm by LED
  5. Users can monitor the working situation of the remote device from local device.
  6. Provide loop back function of remote command-line interface, easy for line maintenance
  7. AC 220V, DC-48V, DC24V can be optional
  8. DC-48V/DC24V power supply polarity detection function, Polarity-Free


Note: Part in order to prevail in kind. Please contact customer service before buying.


Quality Certification:

  1. Good Anti-electromagnetic interference (EMI)
  2. Good Electromagnetic compatibility (EMC) which is in accordance with FCC Part15.
  3. Meets ISO9001, TUV, CE, FCC, CAS, UL and RoHS certificates



  1. Advanced dust-free workshop
  2. Experienced technicians
  3. Mature production technology
  4. Standard production process


Information you want to know more:

  1. Reachable Continents: Asia, Europe, Oceania, Africa, the Americas
  2. Arrival Date: 5 to 7 days
  3. Selectable Logistics: FedEx, DHL, TNT, UPS or EMS
  4. Payment Methods: L/C, T/T, Western Union, HSBC, Paypal as well as Cash Payment
  5. Warranty: 1-3 years
  6. Discounts, Promotions and Gifts: Please just contact our online customer services or pay attention to our website.


pay and logistics

Related Read:

  1. Payment methods
  2. Delivery guide
  3. Return & Refund
  4. Guarantee
  5. FAQ


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Difference between N*E1 PDH Multiplexer and 1+1 PDH Multiplexer


The main difference between these two products is the second one has one spare fiber port.


Feature and advantage of 1+1 PDH Multiplexer


It is suitable for low capacity, point to point application of remote transmission. The equipment is reliable, stable, easy to install and maintain.


1+1 Fiber Optical Multiplexer Application

1+1 Fiber Optical Multiplexer


Part Number Description
SPD-4E1-D-20-132AR 4E1 19" PDH mux, SM dual fiber (1+1) fiber port 20km FC/SC connector, 120ohm or 75ohm, -48V or AC220
SPD-8E1-D-20-132AR 8E1 19" PDH mux, SM dual fiber (1+1) fiber port 20km FC/SC connector, 120ohm or 75ohm, -48V or AC220
SPD-16E1-D-20-132AR 16E1 19" PDH mux, SM dual fiber (1+1) fiber port 20km FC/SC connector, 120ohm or 75ohm, -48V or AC220


Comment Imgae
ordering was easy and delivery was without any flaws. Great Job of customer service.
Comment Imgae
Quick delivery and great quality product. Thanks.
Comment Imgae
Has great prices and incredible products. I would gladly recommend the company to anyone who needs.
Comment Imgae
Good price Item works great, shipping was very fast.Great competitive price and a quick delivery. "