Huawei SMU Manuale utente

Quidway®MA5200G-8/4 System Management Unit

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved. 1

http://datacomm.huawei.com

Quidway®MA5200G-8/4 System Management Unit（SMU）

Overview

The SMU is the System Management Unit board of MA5200G-8 and MA5200G-4. The SMU board

integrates three major functional modules, main control module, data switch module and stratum-3

clock module. It mainly implements such global functions as access user management,

authentication charging, route processing, resource management, state monitor and network

management agent, and realizes the fast switch of fixed-length data packet on 8 × 8 port. It

provides stratum-3 clock.

MA5200G-8 and MA5200G-4 have ten and six slots respectively. Where, the SMU of both devices

has two slots. Each MA5200G-8 and MA5200G-4 should be configured with one or two SMUs. Two

SMUs are recommended. It can realize redundant backup of system control board to enhance

system reliability.

The outer appearance of the SMU is shown in the following.

Specifications

On the MA5200G-8/4 SMU four external interfaces are provided: CONSOLE port (communication

serial port), AUX port (auxiliary communication serial port), 10/100/1000BASE-TX Ethernet port

and four stratum-3 clock coaxial ports.

Module

name Interface Description

CONSOLE port (RJ45)

It is a communication serial port, using RS-232 level. This

Console port is used to connect the background terminal

for debugging, configuring, maintaining, managing the

system and loading the host software program.

SMU

AUX port (RJ45)

It is an auxiliary communication serial port, using RS-232

level. The AUX port is used to connect the MODEM

device. It implements remote configuration, maintenance

and management through dial-up.

Quidway®MA5200G-8/4 System Management Unit

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved. 2

http://datacomm.huawei.com

Module

name Interface Description

Ethernet port (RJ45)

It is a 10/100/BASE-TX Ethernet port. It uses RJ45

connector, connecting the background terminal, for

loading and debugging program. Moreover, the system

can connect the devices such as remote network

management workstation through the interface and

realize the remote management of device.

Stratum-3 clock coaxial

port

Each SMU board has a system clock module. The panel

has four coaxial connectors. Where, two input ports are

used to connect the BITS clock and two output ports

output 2048 KHz or 2048 Kbps clock to the downstream

device.

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