DWDM system
Volga I Telecom
Equipment for Backbone and Regional Networks
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.
Certified Quality
All equipment and software undergo official certification and are listed in state registries
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Technical Specifications
Equipments
Transponders and aggregators
Optical units
TQ-3FS
A four-transponder module for transmitting four independent low-speed signals (up to 2.5 Gbps)
MD-D3ES-S3/D1
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)
MS-2S-21E
Aggregation of 21 E1 streams and transmission in two linear signals of 155 Mbps (STM-1)
TS / TD-10EP
A module with 1/2/6 transponders for transmitting one/two/six independent 10G signals
TT-10EP
A 10-transponder module for transmitting 10 independent 10G signals
MS-DC10EP-Q3F/O1
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)
MD200-2C2-4Q
Aggregation of up to 2 x (2 x 100G) clients with independent transmission of 200G on each wavelength
MS-D100EC2-DT10
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)
MS-D100EC2-SX10/Q40Q
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)
MS-D100EC2-T10
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
MD400-2C2-8Q
Aggregation of up to 2 x (4 x 100G) clients with independent transmission of 400G on each wavelength
M800-2-8Q
Aggregation of up to 8 x 100G clients with transmission of up to 800 Gbps over two wavelengths
M400-2C2-20P2Q
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)
M1200-2-3QD
Aggregation of up to 3 x 400G clients with transmission of up to 1200 Gbps over two wavelengths
M800-1-8Q
Aggregation of up to 8 x 100G clients with transmission of up to 800 Gbps over a single wavelength
Raman Optical Fiber Amplifiers
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)
EDFA Optical Fiber Amplifiers
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)
Hybrid Amplifier EDFA + Raman
A combination of a distributed counter-propagating Raman amplifier and an erbium amplifier in a single-slot device
Remote Optically Pumped Amplifier (ROPA)
Extended spans between two nodes through remote signal amplification
Combined line card
Channel aggregation and amplification in a single module
Multiplexers and demultiplexers
Optical management blocks for channel input and output
Classic reconfigurable optical add-drop multiplexer
Flexible channel input/output in a standard 50 GHz channel grid for network upgrades and redundancy
C-F/CD-F reconfigurable optical add-drop multiplexer
Organization of multi-connected channel input/output nodes with C-F/CD-F functionality (Colorless Flexgrid / Colorless Directionless Flexgrid)
OTDR (Optical Time Domain Reflectometer)
Real-time monitoring of optical infrastructure status
Spectral Analyzer ОРМ
Spectral channel monitoring module in the line
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