l Stacking card: enables two switches to form a stack. The stacking card is optional.
NOTE
l The SRU stores the configuration data, startup files, upgrade software, and logs.
l The SRUs work in 1:1 backup mode.
l The LE02SRUA does not support the clock module.
l The SRUs are hot pluggable. Before removing the active SRU, perform the active/standby switchover
first.
Application
The SRUs of the S9312 are installed in slot 13 and slot 14; the SRUs of the S9306 are horizontally
installed in slot 7 and slot 8. The SRU slots are in the center of the subrack of the S9312 and
S9306.
The S9312 or S9306 must have at least one SRU. You can install one or two SRUs. If only one
SRU is installed, it can be installed in either of the SRU slots. To improve reliability of a key
device, you can install double SRUs. When the master SRU fails, the slave SRU substitutes for
the master SRU automatically to prevent service interruption.
NOTE
The SRUA and SRUB cannot be installed on the same S9300.
5.2.3 Panel
Figure 5-7 and Figure 5-8 show the appearances of the SRU panels.
Figure 5-7 Appearance of the LE02SRUA panel
Figure 5-8 Appearance of the LE03SRUA and LE02SRUB panel
Quidway S9300 Terabit Routing Switch
Hardware Description 5 Boards
Issue 01 (2010-12-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5-15
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