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The Volga DWDM system ensures seamless transmission of client services, including Ethernet, SDH, SAN, OTN, and mobile services such as CPRI and eCPRI.
Up to 800 Gbps per wavelength. Ensured through optical and electrical (OTN) level protection mechanisms, with management and power modules supporting 1+1, 2+1, and 3+1 redundancy and hot-swappable capabilities.
All equipment and software undergo official certification and are listed in state registries
Maximum throughput with 48 channels at 800 Gbps each in the C+ band
Extensive range of optical amplifiers: EDFA, RAMAN, ROPA, and hybrid EDFA+RAMAN for long and ultra-long single-span lines
Optical ROADM and electrical cross-connect units for building complex network topologies
A management system with an advanced suite of features tailored for DWDM/OTN networks, ensuring seamless operation and scalability
Maximum Speed per Wavelength up to 800 Gbps
Versatile Equipment Range: Supports client services from 155 Mbps to 400 Gbps.
Modules with flexible grid frequency support for optimized spectral utilization
Management and power supply units with 1+1, 2+1, or 3+1 configurations, supporting hot-swapping for uninterrupted operation
Automatic fiber monitoring through integrated Optical Time-Domain Reflectometer (OTDR) systems
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A four-transponder module for transmitting four independent low-speed signals (up to 2.5 Gbps)
A module with two independent aggregators. Each supports the aggregation of up to two low-speed clients into one of the linear interfaces up to 2.5G (with 1+1 redundancy)
Aggregation of 21 E1 streams and transmission in two linear signals of 155 Mbps (STM-1)
A module with 1/2/6 transponders for transmitting one/two/six independent 10G signals
A 10-transponder module for transmitting 10 independent 10G signals
Aggregation of up to 8 multiservice low-speed clients with a total capacity of 10 Gbps, and switching to two 10G linear OTN interfaces (with 1+1 redundancy support)
Aggregation of up to 2 x (2 x 100G) clients with independent transmission of 200G on each wavelength
Aggregation of up to 20 multiservice signals with a total capacity of up to 200 Gbps, and transmission of 100G over two wavelengths (or up to 200G over a single wavelength)
Aggregation of up to 10 multiservice signals with a total capacity of up to 200 Gbps, and transmission of 100G over two wavelengths (or up to 200G over a single wavelength)
Aggregation of up to 10 x 10G / 6 x 25G clients with transmission of up to 100/200 Gbps over a single wavelength. 1+1 redundancy in 100 Gbps mode
Aggregation of up to 2 x (4 x 100G) clients with independent transmission of 400G on each wavelength
Aggregation of up to 8 x 100G clients with transmission of up to 800 Gbps over two wavelengths
In development
Aggregation of clients with a total capacity of up to 600 Gbps, supporting transmission at 300G over two wavelengths (or up to 400G over a single wavelength)
Aggregation of up to 3 x 400G clients with transmission of up to 1200 Gbps over two wavelengths
Aggregation of up to 8 x 100G clients with transmission of up to 800 Gbps over a single wavelength
A series of Raman amplifiers (RA) with up to 1W output power for building long-haul communication lines in the C-band (1529-1561 nm)
A series of erbium amplifiers (EA) with up to 1W output power for constructing long-haul communication lines in the C-band (1529-1561 nm)
A combination of a distributed counter-propagating Raman amplifier and an erbium amplifier in a single-slot device
Extended spans between two nodes through remote signal amplification
Channel aggregation and amplification in a single module
Optical management blocks for channel input and output
Flexible channel input/output in a standard 50 GHz channel grid for network upgrades and redundancy
Organization of multi-connected channel input/output nodes with C-F/CD-F functionality (Colorless Flexgrid / Colorless Directionless Flexgrid)
Real-time monitoring of optical infrastructure status
Spectral channel monitoring module in the line
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