Huawei Quidway S9300 - Function and Application; Panel; Figure 5-16 Position of the Cmus; Figure 5-17 Appearance of the CMU

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The CMUs are installed in the right slots of PWR4, as shown in Figure 5-16.

Figure 5-16 Position of the CMUs

PWR1

PWR2

PWR3

PWR4

CMU1

CMU2

5.6.2 Function and Application

Function Description

The CMU consists of the following modules:

l Equipment management module: sends interface control signals for equipment

management.

l Backplane interface module: sends all interface signals on the backplane to control the

power supply, fans, and master/slave states of CMUA.

Application

The CMU is applied to the S9312 or S9306. There are two CMU slots on the subrack: one for

the master CMU and the other for the slave CMU. You can install one or two CMUs as required.

5.6.3 Panel

Figure 5-17 shows the appearance of the CMU panel.

Figure 5-17 Appearance of the CMU

Buttons and Indicators on the Panel

Table 5-27 describes the buttons and indicators on the CMU panel.

5 Boards

Quidway S9300 Terabit Routing Switch

Hardware Description

5-30 Huawei Proprietary and Confidential

Issue 01 (2010-12-15)

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