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ETU Media Converter

Product Overview

The ETU board is an electrical transform unit designed by Visint for communication broadband IP metropolitan area network. It has complete indicator lights. The optical module adopts SFP interface, which is more flexible and can support functions such as broadcast filtering and address automatic learning. A carrier-grade product can be operated and managed.

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The ETU board is an electrical transform unit designed by Visint® for communication broadband IP metropolitan area network. It has complete indicator lights. The optical module adopts SFP interface, which is more flexible and can support functions such as broadcast filtering and address automatic learning. A carrier-grade product can be operated and managed.


  • Supporting full service access: IP/SDH/PDH/SAN/Sonet/ESCON, etc.Supporting 2 channels Gigabit adaptive bidirectional service access or 2 channels Gigabit adaptive unidirectional service access.

  • Supporting a variety of transmission distances: no relay support up to 120KM.

  • Supporting SNMP-based unified network management platform, network management mode CLI, WEB, NetRiver (graphical interface).

  • Supporting software to close the port. 


System Parameter

Technical Index

Maximum capacity of single card

2*1.25G bidirectional transmission,   

2*1.25G unidirectional transmission.

Wavelength range

CWDM: 1271~1611nm,

DWDM: C-Band (100GHZ or 50GHZ).

Service access types

IP, SDH, PDH, POS, SAN, SONET, ESCON, etc.

Network management function

Port working status real-time monitoring, DDM function.

Network management mode

CLI , NetRiver, WEB.

Product dimension

177 (W)*20(H)*225(D)(mm).

Environmental requirements

Working temperature

-10℃ ~ 70℃.

Storage temperature

-40℃ ~ 80℃.

Relative humidity

5% ~ 95% no condensation.

Safety and EMC

Compliance with FCC, UL, CE, TUV, CSA standard.

Power consumption

<10W.


Visint® Vispace 1000 series product wavelength conversion card (OTU) is widely used to perform 3R amplification (Re-amplifying, Retiming, Re-shaping) on various types of access service signals through the wavelength conversion board. Then the converted wavelength required for wavelength system transmission is coordinated with the multiplexer and splitter to transmit.


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Figure: OTU Application