HUAWEI CSHNA SLB1 Hybrid System Control Switching And Timing Board

The functional version of the CSHNA is SLB1.

Application:

The CSHNA is the hybrid system control, switching, and timing board for the new-generation OptiX RTN 980. It provides STM-1, STM-4, and GE ports to convergence and schedule various types of services.

Figure 1 Application of CSHNA boards

NOTE:

E1 services shown in the preceding figure can be native E1 services or CES/ATM E1 services, and Ethernet services can be native Ethernet services or ETH PWE3 services.

Service boards shown in the preceding figure can be Ethernet interface boards, STM-1 interface boards, E1 interface boards, or Smart E1 processing boards.

Functions and Features:

The CSHNA provides 43 Gbit/s packet switching, full time-division cross-connection, system control and communication, and clock processing functions. It provides GE/FE ports, STM-1/4 ports, auxiliary ports, and management ports.

Table 1 lists the functions and features that the CSHNA supports.

Table 1 Functions and features that the CSHNA supports

The packet switching unit of the CSHNA can work with its service interface unit or a service board to implement MPLS/PWE3 functions. Table 2 provides details about these functions.

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