Difference between the TN11AUX01 and TN11AUX02 boards

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The TN11AUX01 board provides three or eight jumpers to set subrack IDs ranging from 0 to 7.
The TN11AUX02 board provides eight jumpers to set subrack IDs ranging from 0 to 31.

Other related questions:
Whether the TN11AUX02 board can replace the TN11AUX01 board on OSN 6800 devices
Yes.

Functions of spectrum analyzer units MCA and WMU on OSN 6800
Question: When an OSN 6800 device is used to construct a new network, two spectrum analysis units are configured: multi-channel spectrum analyzer unit (MCA) and wavelength monitoring unit (WMU). The functions of these two boards seem to be overlapped. How do we understand these functions? Answer: 1. MCA boards are classified into MCA4 and MCA8, which provide four and eight ports respectively. An MCA board is mainly used to detect channel optical power, center wavelengths, OSNR, and the number of wavelengths on an optical path. Similar to an optical spectrum analyzer, an MCA board reports the detected information to the system control board for fault diagnosis and monitoring. It can also be used together with other boards to achieve the automatic power equilibrium (APE) function. 2. A WMU board works with the system control board to lock wavelengths and monitor the transmit-end OTU wavelength deviation. The monitoring results are transmitted to the system control board through mailbox. Then, based on the wavelength configuration table, the system control board determines whether wavelengths need to be adjusted. If the wavelengths need to be adjusted, the system control board transmits the adjustment information to the OTU board to complete the wavelength deviation adjustment. 3. An MCA board can be configured to monitor the transmit end and receive end.4. A WMU board can be configured only at the transmit end, because it is used to adjust wavelength deviation of the OTU board at the local station with the system control board. 5. An MCA board is easy to maintain. A WMU board provides functions. To use OTU boards with 100 GHz spacing in an 80-channel system in the C band, WMU boards need to be configured to lock the working wavelength of OTU boards. If the working length stability of OTU boards with 100 GHz spacing cannot meet the requirements of an 80-channel system, WMU boards can be used. Suggestion and conclusion: An MCA board is used to monitor optical signals. A WMU board is used to monitor optical signals and lock and control the OTU wavelength with the system control board.

Method used to set the jumpers on the TN11AUX02 board of the OSN 6800
The J16, J15, J4, J3, and J2 jumpers can be set in 32 combinations, representing decimal values 0-31. The default setting of the five jumpers is 00000. The value 0 indicates the master subrack and the other values indicate slave subracks.

Difference between TN12AUX02 and TN51AUX
An AUX board is a system auxiliary interface board that provides various auxiliary interfaces and management interfaces. TN12AUX02 is intended for OptiX OSN 6800, while TN51AUX is intended for OptiX OSN 8800 T32/T64.

Difference between the subcard mode and board mode
The subboard mode refers to the current working mode of a subboard. The board mode refers to the current working mode of a board. Different types of boards and subboards support different types of working modes. Many commands are used to switch the subboard mode and board mode. These commands start with set service-mode. To set the subboard mode, you can run the set service-mode card or set service-mode slot card command in the system view. To set the board mode, you can run the set service-mode slot command in the system view.

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