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Description:
8-channel Optical Add/drop Multiplexing Board(192.1/192.2/192.3/192.4/192.5/192.6/192.7/192.8thz)
Description:
Double 4 X Multi-rate Ports Wavelength Conversion Board,wind Cooling Mode
Description:
Four-directional Optical Supervisory Channel And Timing Transmission Unit
Description:
Mtma-800/e900-12db-2enode Bport 2an