Attribute
Description
Maximum
transmission
distance
100 m
The combo optical port uses a 100M or GE optical module and matching fibers. A 100M optical
module can be used only after the switch starts successfully. If a 10GE optical module is installed,
the interface can go Up, but the system displays an alarm message, indicating that the interface
does not support the optical module. If a GE copper module is installed and the remote interface
has a GE copper module installed, the local interface can go Up but does not support rate
configuration.
describes the attributes of the combo optical port.
Table 2-16
Attributes of the combo optical port
Attribute
Description
Connector
LC
Standards
compliance
IEEE802.3z
Working mode
100/1000 Mbit/s
Full-duplex
The CE6850HI and CE6850U-HI switches have two ETH management ports (combo). Pay
attention to the following when using the two management ports:
l
The two ports cannot be used together, and you must choose one of them to use.
l
Before start of a CE6850HI or CE6850U-HI switch, you can select interface 1 or interface
2 in the BIOS menu. Interface 1 is the default choice. For details, see Modify parameters.
l
After registration of the switch succeeds:
–
If both the management ports have a cable connected and are in Up state, port 1 acts as
the primary management port and port 2 becomes the backup automatically. The
management interface number displayed on the command line interface is MEth0/0/0,
regardless of which port is used.
–
If cables are connected to the two ETH management ports after successful registration
of the switch, the port that is connected first is used as the primary management port.
–
If port 1 fails, the system switches management traffic to port 2 automatically. When
port 1 recovers, management traffic cannot be switched back to port 1, unless port 2
fails or the switch restarts. You can observe indicators on the ETH management ports
to determine which port is used currently. (The Link indicator of the ETH management
port in use is steady green. If data is being transmitted on this port, its ACT indicator is
blinking yellow. The indicators of the backup port are off.)
CloudEngine 7800&6800&5800 Series Switches
Hardware Description
2 Chassis
Issue 16 (2015-08-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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