HUAWEI CSHN SLB2 Hybrid System Control Switching And Timing Board
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HUAWEI CSHN SLB2 Hybrid system control switching and timing board
Product Description: The functional versions of the CSHN are SLB1 and SLB2. Compared with the SLB1CSHN, the SLB2CSHN incorporates the following functions: Multiprotocol label switching transport profile (MPLS-TP) tunnel OAM ETH pseudo wire emulation edge-to-edge (PWE3) packets carrying control words Virtual private LAN services (VPLSs)
Application: CSHN boards function as system control, switching, and timing boards on OptiX RTN 980 NEs. In this scenario, these boards also converge and groom various services using their STM-1/4 and GE service ports. Figure 1 Application scenario of CSHN boards NOTE: In the preceding figure, IF boards can be TDM IF boards, or general-purpose IF boards or XPIC IF boards working in SDH microwave mode if they need to converge TDM microwave services, and they can be general-purpose IF boards or XPIC IF boards working in native E1+Ethernet mode or native STM-1+Ethernet mode if they need to converge integrated IP microwave services. 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 CSHN provides 22 Gbit/s packet switching, full time-division cross-connection, system control and communication, and clock processing functions. It provides GE ports, STM-1/4 ports, auxiliary ports, and management ports.
Table 1 lists the functions and features that the CSHN supports. Table 1 Functions and features that the CSHN supports
The packet switching unit of the CSHN works with its service interface unit or a service board to implement MPLS/PWE3 functions. Table 2 provides details about these functions.
NOTE: The following functions are applicable only to the SLB2CSHN. MPLS-TP tunnel OAM that complies with ITU-T Y.1731 MPLS-TP PW OAM that complies with ITU-T Y.1731
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Product Tags: HUAWEI CSHN CSHN SLB2 HUAWEI CSHN SLB2 |
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