TN13VA1 Is Huawei Optix OSN 9800 Variable Optical Attenuator Boards
            Huawei Optix OSN 9800 Variable Optical Attenuator Boards TN13VA1 03030YHN Overview
VA1: 1-port variable optical attenuator unit
The available functional versions of the VA1 board are TN12 and TN13.
As a variable optical attenuator unit, the VA1 board adjusts power for one optical signal.
The VA1 board adjusts the power of one optical signal and provides power-off protection.
The VA1 board consists of a variable optical attenuator, driver and control module, control and communication module, and power supply module.
The VA1 board is a single-width board (requiring one slot).
Functions and features of the TN13VA1 board
| 
			 Function and Feature  | 
			
			 Description  | 
		
| 
			 Basic function  | 
			
			 Queries its preconfigured attenuation and adjusts the power for one optical signal according to the control command sent by the SCC board.  | 
		
| 
			 Spectrum application  | 
			
			 Only the TN13VA1 supports extended C-band wavelengths.  | 
		


