Number of client-side ports on the TTX board

2

There are 10 physical ports on the client side of the TTX board and the port with the maximum number is RX10/TX10.
On the NMS, numbers 1 and 2 have been assigned to IN/OUT ports on line boards. Ports on tributary boards are numbered from 3. TTX is a tributary board and therefore its ports are numbered from 3.
In other words, logical port 3 on the NMS corresponds to the RX1/TX1 port.

Other related questions:
Whether the client-side optical port of the peer OTU board does not send or receive optical signals if the client-side optical port of the local OTU board does not with ALS enabled
According to the ALS principle, if the local OTU board does not receive any optical signal on its client side, the peer OTU board will not emit light on its client side.

Transmission distance of the client side of the TN53TSXL board
The client side of the TN53TSXL board is equipped with a fixed optical module, whose transmission distance is 2 km.

Differences between the RX1/TX1 and RX2/TX2 ports on the LDGF board and whether the two ports transmit services using the same channel
The LDG2 board has two client-side ports: RX1/TX1 and RX2/TX2. The two ports are GE ports and use the same channel to transmit services.

Client-side transmission distance of a 100G OTU board
The client-side transmission distance of a board depends on the client-side optical module.

Types of services received on the client side of the TOG board
The type of the client-side service on the TOG board is GE Ethernet, and the service rate is 1.25 Gbit/s.

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