YKD-16 is 4U standard 19-inch framework structure and provides 16 service slots and 2 power supply slots; the network management card and other service cards can insert in any service slot. YKD-16 adopts the separated mode of service card and interface adapter card, which not only can conveniently implement the replacement of service card but also preserve the flexibility of framework type equipment.
　EMS network management system is the management platform of centralized network equipment, which is used for management, maintenance and operation of all series communication equipments manufactured by our company, namely the equipments manufactured by our company can realize the centralized management in the same environment, such as optical transceiver, interface converter, optical fiber modem and so on; and we will develop and manufacture our products towards the direction of all communication equipments, and therefore can save the investment of human power and physical resources and reduce the management cost for customers.

Typical Networking Application:

Main Technical Indexes
◆ Two power supply backup ；
◆ Provide 16 service slots and 2 power supply slots ；
◆ Support the mixed insertion of multi-service card ；
◆ Separation of service card and interface adapter card is convenient for maintenance ；
◆ Perfect network management function, network management card occupies one service slot;
◆ Intensively monitor the all series products of company, including local and remote terminal equipments;
◆ Realize the mixed insertion service card management of centralized framework equipments;
◆ Use the host computer to intensively monitor, and adopt the interface of RS232 or Ethernet to connect between host computer and monitored equipment;
◆ Adopt the multi-layer management mode, namely organization management mode of network, sub-network and network element, which has the clear hierarchy, intuitional alarm and rapid & convenient enquiry ;
◆ Automatically search the sub-network connection, and generate the topological structure and topological diagram of sub-network connection. The sub-network topology is also manually established;
◆ Adding new network element module can control the new communication equipment of this company, which has very strong adaptability and expansibility;
◆ Three-level security jurisdiction can protect the security operation of network data and equipment;
◆ Object-oriented design method and modularization structure, which is convenient for system management and software update;
◆ The system operates on Windows platform, and friendly human-computer interface

Structure and Function Instructions of Management System
The functions of management system include sub-network maintenance, sub-network configuration, network element management, alarm management, log management, communication connection, security configuration, software update, report statistics, etc.
1． Maintenance and configuration of sub-network: including automatically/manually establishing sub-network connection, modification, preservation and deletion of sub-network, configuration of network element connection relation, etc.
2． Network element management: including failure management, configuration management, financial management, performance management and security management of network element.
3． Alarm management: including display, configuration, preservation and other functions of all kinds of alarm information in the network.
4． Log management: including preservation, display and other functions of system alarm log, operation log and other logs.
5． Communication connection: including establishment and configuration management of system network element connection, transmission of data, and other functions.
6． Security configuration: including setting of security jurisdiction, distribution of operating jurisdiction, account login, and other functions.
7． Software update: including edition update of system software, adding new network element equipment, update of network element equipment, and other functions.
8． Report statistics: including statistics, display, analysis, report printing, and other functions of system operation parameter and network element parameter.

Management System Parameters
◆ Maximal controllable sub-network quantity of system: 100
◆ The maximal quantity of each sub-network includes: 100 network elements
◆ Connection mode for management of computer and network element: RS232 and Ethernet
◆ Query interval of each network element: one second
◆ Operating system: Windows 98/2000/XP, recommended
◆ Demand for harddisk：100MB