Optical port rate of an ST2 board

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The port rate of an ST2 board is 155 Mbit/s.

Other related questions:
Whether the optical module of the OSN 8800 ST2 board is pluggable
The ST2 board supports the 1511 nm or 1491 nm pluggable optical module.

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.

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.

Optical ports of an FIU board
An FIU board has a total of seven optical ports. The IN/OUT optical port is used to receive and transmit line optical signals. The RC/TC optical port is used to receive and transmit optical signals of the main optical channel. The RM/TM optical port is used to receive and transmit optical signals of the supervisory channel. The MON optical port is used to output optical signals to the spectrum analyzer board for online optical performance monitoring.

Optical ports of the OTU board
The OTU board provides two groups of optical ports: IN/OUT and Rx/Tx. The IN and OUT ports correspond to WDM-side input and output, and the Rx and Tx ports correspond to SDH-side input and output. The WDM side is also called the line side; the SDH side is also called the client side. In the alarm parameters, 1 indicates the WDM-side transceiver optical port, and 2 indicates the SDH-side transceiver optical port. In some documents, the optical ports of the OTU board are classified into system-side and line-side ports. In the early period, the system side is also called the client side.

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