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6 Years
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| Brand Name : | HUAWEI |
| Model Number : | CSH |
| Price : | $100-$200 |
| Payment Terms : | T/T, Western Union, MoneyGram |
| Supply Ability : | 500pcs/week |
| Delivery Time : | 3-7 work days |
HUAWEI CSH SL92 Hybrid Packet control switching and timing board
Product Description:
The functional versions of the CSH are SL91 and SL92.
Compared with the SL91CSH, the SL92CSH incorporates the following new functions:
MPLS-TP tunnel OAM
ETH PWE3 packets carrying control words
Supporting a backplane bus of 2.5 Gbit/s (only when the service boards are EG4/EG4P boards)
Supporting virtual private LAN services (VPLSs)
Application:
CSH boards function as system control, switching, and timing boards on OptiX RTN 950 NEs building Hybrid/Packet radio networks. In this scenario, these boards also groom TDM services and Ethernet services. Like CST boards, CSH boards can function as system control, switching, and timing boards on OptiX RTN NEs building TDM radio networks.
Application of CSH Boards on NEs Building Hybrid Radio Networks
Figure 1 Application scenario of CSH boards (1)
NOTE:
IF boards shown in the preceding figure must be general-purpose IF boards or XPIC IF boards working in native E1+Ethernet mode or native STM-1+Ethernet mode.
Service boards shown in the preceding figure can be E1 interface boards, STM-1 interface boards, or Ethernet interface boards.
Application of CSH Boards on NEs Building Packet Radio Networks
Figure 2 Application scenario of CSH boards (2)
NOTE:
IF boards shown in the preceding figure must be general-purpose IF boards or XPIC IF boards working in native E1+Ethernet mode or native STM-1+Ethernet mode.
Service boards shown in the preceding figure can be Smart E1 processing boards or Ethernet interface boards.
Functions and Features:
The CSH provides 10 Gbit/s packet switching, full time-division cross-connection, system control and communication, and clock processing functions. It provides auxiliary ports and management ports.
Table 1 lists the functions and features that the CSH supports.
Table 1 Functions and features that the CSH supports
| Function and Feature | Description | |
| Basic functions | Switching capability | Provides a 10 Gbit/s packet switching capacity. |
| Cross-connect capacity | Supports VC-12/VC-3/VC-4 full time-division cross-connections (equivalent to 32x32 VC-4s). | |
| System control and communication | Manages, monitors, and controls the running status of the IDU, and works as a communication service unit between the NMS and boards, thereby allowing the NMS to control and manage the NE. | |
| Clock | Clock source | Provides the system clock and frame headers of service signals and overhead signals for the other boards by tracing any of the following clock sources: External clock SDH line clock PDH tributary clock Microwave link clock Synchronous Ethernet clock |
| Clock protection | Supports the following clock protection schemes: Protection based on clock source priorities Protection by running the SSM protocol Protection by running the extended SSM protocol | |
| Time Synchronous | Supports IEEE 1588v2 time synchronization. Supports ITU-T G.8275.1 time synchronization. | |
| External clock port | 1 | |
| External time port | 2 | |
| Data communication network (DCN) | Outband DCN | Supports a maximum of 13 data communication channels (DCCs). |
| Inband DCN | The DCN bandwidth is configurable. | |
| Network management protocols | Huawei embedded control channel (HWECC) protocol | Supported |
| IP protocol | Supported | |
| L2 DCN | Supported | |
| Simple Network Management Protocol (SNMP) | Allows NE alarms, performance events, and some configurations to be queried by SNMP. | |
| Multiprotocol label switching (MPLS)/Pseudo wire emulation edge-to-edge (PWE3) functions | Supported | |
| See Table 2. | ||
| QoS functions | Supported | |
| See Table 3. | ||
| Protection | 1+1 hot standby | Supported |
| Auxiliary ports and management ports | NMS port | 1 |
| NMS serial port | 1 | |
| NE cascade port | 1 | |
| Outdoor cabinet monitoring port | 1 The port specifications comply with RS-485. | |
| OM | Warm reset and cold reset | Supported |
| In-service FPGA loading | Supported | |
| Queries of board manufacturing information | Supported | |
| Queries of the board power consumption | Supported | |
| Board temperature monitoring | Supported | |
| Board power monitoring | Supported | |
| Detection of indicators on the other boards | Supported | |
| Hot swapping | Supported | |
| Pluggable CF card | Supported | |
The packet switching unit of the CSH can work with a service board to implement MPLS/PWE3 functions. Table 2 provides details about these functions.
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