Huawei CX600-8 Hardware Description page 25

HUAWEI CX600-8/16/X3/X8/X16 Metro Service Platform
Hardware Description
Figure 2-2 Signal flow transmission on the control plane
The control plane processes the following signal flows:
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The signal flow on the control plane is bidirectional.
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Issue 03 (2013-11-30)
Master MPU
signal flow
System
management
and control
unit
signal flow
System clock
unit (CLK)
signal flow
Slave MPU
System
signal flow
management
and control
unit
signal flow
System clock
unit (CLK)
signal flow
Singling signal flow and operation and maintenance signal flow: processed by the system
management and control unit.
Clock signal flow: processed by the system clock unit.
Signal flow contains host packets carrying signals, for example, routing protocols.
– Board-to-MPU signal flow: calculates data. Therefore, a board sends these packets to
the MPU, and the management and control unit on the MPU parses these packets. Then
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Signaling
O&M
Clock
Signaling
O&M
Clock
2 Product Signal Flow Overview
Uplink board
Management
and control
unit
Clock unit
(CLK)
SFU
Management
and control
unit
Clock unit
(CLK)
Downlink
board
Management
and control
unit
Clock unit
(CLK)
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