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PM DGE-50G

Dynamic Gain Equalization

PM DGE-50G

Pluggable dynamic gain equalization module with per-channel attenuation. Used for automated power balancing. Compatible with 50 GHz grid.

The Dynamic Gain Equalizer (DGE) module is a high performance, digitally controlled variable gain equalizer. The module equalizes per channel power and thus optimizes the Optical Signalto-Noise Ratio (OSNR) to allow for greater distance reach. Both 40-channel and 80-channel configurations are supported by the EKINOPS PM DGE, and implementation is simple and efficient. The EKINOPS PM DGE was designed to support a wide variety of configurations and when used in conjunction with the EKINOPS PM OPM8 (Optical Power Monitor) the system allows for automatic power balancing, which is critical for mesh or metro applications. Per-channel power dynamic adjustment is already available on EKINOPS ROADM cards; the EKINOPS PM DGE complements ROADM cards for terminal sites, to provide automatic end-to-end channel optimization and OSNR margin improvement.

A Real World Example

The reference network (Figure 1) illustrates how utilizing only two EKINOPS PM DGE modules at established sites within a 20-node, 1520 km (954-mile) span can help equalize per-channel power, improving overall optical performance and achievable distance. The original specifications and design of the network required multiple optical regeneration sites between Site 1 and Site 20. By placing a DGE module at two of the sites, EKINOPS was able to eliminate the need for regen sites. The first DGE module was placed at Site 5, which adjusted for the optical power deviation for traffic coming from Site 20. The second DGE module was placed at Site 7, which, adjusted for accumulated optical power deviation for traffic coming from Site 1.

Ref Network 20 sites 1520Km
Figure 1: Reference Network (20 sites, 1520 Km)

Graph. A represents the ‘Before DGE’ power measurements taken at Site 5 for traffic coming from Site 20 while Graph. B (next page) represents the ‘After DGE’ power measurements at Site 5 for the same traffic. It clearly illustrates that the per-channel optical power is equalized. As a result, there is less of a hit to OSNR for weaker channels and an overall improvement in optical performance and distance.

Graph. A: before DGE / Graph. B: after DGE
Graph. A: before DGE / Graph. B: after DGE
  • Improves Time-to-Service
  • Achieve Greater Distance
  • Automatic Channel Power Balancing
  • Remote Optical Power Management
  • Non-Traffic Impacting Channel Re-tuning
  • Point to Point, Linear, Ring, Star and Mesh Topologies
  • Cell Tower | Mobile Backhaul
  • Residential Backhaul
  • Metro | Regional | Long Haul Networks

Latest News

  • EKINOPS secures Remote Working with SD-WAN Home Office Connect

    EKINOPS (Euronext Paris - FR0011466069 – EKI), a leading supplier of optical transport and enterprise connectivity solutions, today announces the launch of SD-WAN Home Office Connect, a compact networking solution tailored to support enterprises in overcoming the performance, security and legal challenges of managing remote working.

     
  • EKINOPS Chosen by Swisscom for Access Network Virtualization Software

    EKINOPS (Euronext Paris - FR0011466069 – EKI), a network access and virtualization specialist, today announces that Swisscom (Bern/CH), a leading ICT company in Switzerland, has selected EKINOPS to deliver a new virtualized network solution on uCPE (universal Customer Premises Equipment).

     
  • EKINOPS OneOS6-LIM Certified on Verizon Wireless Network Together with Lanner 1515 Whitebox Solution

    EKINOPS (Euronext Paris - FR0011466069 – EKI), a leading provider of open, future-proof and flexible networking solutions to service providers and telecom operators, today announces the certification of the EKINOPS OneOS6-LIM (Operating System and software Local Infrastructure Manager), with the Lanner NCA-1515/L-1515 on the Verizon Wireless Network. The certification under the Verizon Wireless Open Development Initiative (ODI) program allows a product to connect to the Verizon Wireless Network.

     

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EKINOPS EMEA & APAC
Telephone +33 (0)1 77 71 12 00

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Telephone 800-670-2618

 

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