LE0DMCUA,03020PFX,Huawei S9300 and S9300X Main Control Units and Subcards

Huawei S9300 and S9300X Main Control Units and Subcards LE0DMCUA 03020PFX Overview

LE0DMCUA-S9303 Main Control Unit A (Optional Clock)

The LE0DMCUA is the main control unit of the S9303 and S9303E. It integrates the control unit (Optional Clock) unit, and system maintenance unit, and provides the following functions:

Provides channels for out-of-band communication between cards.

Provides high-precision stratum-3 clock, synchronous Ethernet clock, and IEEE 1588 clock. These clock features ensure clock synchronization between ports and LPUs.

Monitors system operation. The LE0DMCUA periodically collects operation data of different units. According to running status of the units, the LE0DMCUA generates control information to check card presence, control fabric running status, perform port switching, reset the forwarding engine, and increase the fan speed.

Functions as the proxy of the network management software: The LE0DMCUA manages and maintains the switch through management ports (console port and Ethernet port).

Stores configuration data, startup files, accounting information, upgrade software, and system logs. The LE0DMCUA provides a CF card to store data files as a mass storage device.

Functions and features of the LE0DMCUA

Function	Description
Basic function	Integrates the main control unit, clock unit, and system maintenance unit.
Memory	512 MB
CF card	512 MB By default, the system configuration data, startup files, system software package, and system logs are saved to the CF card.
Clock	The LE0DMCUA can have LE0D00CKMA00 installed to provide IEEE 1588v2 functions, synchronous Ethernet, and stratum-3 clock.
Redundancy backup	Supported Main control board is mandatory for switches. Each switch must be configured with one or two main control boards. When one main control board is configured for a switch, the main control board can be installed in either main control board slot of the switch. When two main control boards are configured, the two main control boards work in hot standby mode to improve reliability of the switch. The active and standby main control boards monitor the status of each other. If the active main control board fails, the standby main control board automatically becomes active to ensure uninterrupted services.
Hot swapping	Supported Before removing the active MCUA card, perform an active/standby switchover.

Hunan Moka Information Technology Co., Ltd.

A professional import and export trade company specializing in the agency sales and services of the full range of Huawei telecom equipment,Huawei parts,Cisco products in the United States. Our product range includes Cisco switches, Cisco routers, Cisco firewalls, Cisco wireless APs, Cisco conference terminals, Cisco optical modules, Cisco fiber optic jumpers, Cisco industrial switches, and Cisco software licenses. As an authorized distributor of Cisco in China, we directly purchase hardware and software from Cisco China in the name of projects. As a result, you can obtain the best discounts from Cisco China, typically ranging from 60% to over 90%. Due to Cisco's global sales policy, if you order Cisco licenses, with your consent and permission, we will assist you in installing and activating Cisco licenses within China. Alternatively, you can activate them in your own country, and we will transfer the licenses to you. All you need is a Cisco Smart Account. When the Cisco licenses expire, you can choose to renew them yourself or contact us.

As an authorized distributor of Cisco in China, we directly purchase hardware and software from Cisco China in the name of projects.

Huawei S9300 and S9300X Main Control Units and Subcards LE0DMCUA 03020PFX

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