Working rate of an SC2 board

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The working rate of an SC2 board can be negotiated between 4.096 Mbit/s and 16.896 Mbit/s.

Other related questions:
Whether SFIU can work with SC2
No, SFIU cannot work with SC2. The OSC board that can work with the SFIU board must be ST2.

Two optical port rates of SC1 and SC2 boards on OSN 6800
Question: How to understand the optical port rates 16.896 Mbit/s and 4.096 Mbit/s of SC1 and SC2 boards described in OSN 6800 product documentation? Root cause: None Answer: 1. Optical ports on SC1 and SC2 boards on OSN 6800 support two rate modes. In the networking containing OSN 6800, the rate 16.896 Mbit/s is used in the case of interconnection with the SC2 or SC1 board, and the rate 4.096 Mbit/s is used in case of the interconnection with an optical supervisory control (OSC) board on BWS 1600G. 2. The rate mode does not need to be set and is determined by the board. It is auto-adaptive.

Whether optical signals of the SC2 board are originated from multiplexed signals or received by the SC2 board
The OSC signals received by the SC2 board are sent from the laser of the peer SC2 board and then are split by the FIU board. They are not multiplexed signals.

Rate comparison of optical ports on SC1 and SC2 boards on OSN 6800
1. Optical ports on SC1 and SC2 boards of OSN 6800 support two rate modes. In the networking containing OSN 6800, the rate 16.896 Mbit/s is used for the interconnection with the SC2 or SC1 board, and the rate 4.096 Mbit/s is used for the interconnection with an OSC board on BWS 1600G. 2. No rate mode needs to be set on the NMS. This is because the rate is auto-sensing and determined by boards.

Interconnections between SC2 boards and similar boards of other vendors
SC2 boards support transparent transmission of DCC bytes and do not support interconnection. The rate and code of monitoring signals on an SC2 board are 16M and CMI respectively.

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