Alcatel-Lucent 7705 SAR-A, Руководство по установке

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7705 SAR-A Overview
7705 SAR-A Chassis Installation Guide 41
Control and Switching
Control and switching on the 7705 SAR-A provides the following main functions:
• node management interface to the 7705 SAR-A (Mgmt and Console port); see
Figure 9 )
• system synchronization input (Sync In port) and Time of Day output (ToD port); see
Figure 9 )
• routing, switching, and services functions for the entire system
Refer to 7705 SAR-A Connectors and LEDs for a description of these parts
The 7705 SAR-A chassis is shipped with an integrated 256 Mbyte flash memory device
(there is no compact flash card) that is used to store system boot software, OS software, and
configuration files and logs. The flash memory device cannot be accessed or removed by an
operator or installer.
The switching fabric receives and directs traffic to the appropriate interface ports according
to the routing information.
Figure 9: 7705 SAR-A Control and Switching Features
23311
Console
port
Synchronization
In
Mgmt
ToD Out
Lnk Act
Sync In
+Batt A -Batt A +Batt B -Batt B
Console
Stat Stat Stat Stat
2 4 6 8
1 3 5 7
Stat Stat Stat Stat
T1/E1
-48 VDC
ToD
port
Management
port