3Com 8800 SERIES, Руководство по установке

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Fabric Module 7
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RS232/RS485 port
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Console Port
■
AUX (Modem) Port
Compact Flash (CF) Port
The Fabric module provides a CF port to accommodate a standard CF card, where
you can save logging information, host version information, alarming and other
diagnostic information. You can also use the CF port to upgrade software online.
Management 10Base-T/100Base-TX port
The management 10Base-T/100Base-TX port is connected to a computer using an
RJ-45 connector. You can use this port for system application downloading and
debugging. The management 10Base-T/100Base-TX port can also be connected to
devices such as a network management workstation to manage the system
remotely. Table 5 lists specifications for the management 10Base-T/100Base-TX
port.
See “RJ-45 Connector” on page 56 for an illustration of the RJ-45 connector.
Table 6 describes the LEDs of the management 10Base-T/100Base-TX port.
RS232/RS485 port
The RS232/RS485 port uses an RJ-45 connector to connect to an external power
rack and monitor its status. Table 7 lists specifications for the RS232/485 port.
Table 5
Management 10Base-T/100Base-TX Port Specifications
Specification Description
Port connector RJ-45
Number of ports 1
Port speed 10 Mbps, half duple/full duplex
100 Mbps, half duplex/full duplex
Maximum transmission
segment over the selected
medium 100 m (328 ft) over the category-5 twisted pair cable
(crossover cable is required.)
Services System software upgrade and network management
Table 6
Management 10Base-T/100Base-TX Port
LEDs
LED Description
LINK Off — The line is not connected.
Green — The line is connected.
ACTIVE Green — No data is being transmitted.
Green flashing — Data is being transmitted.
Table 7
RS232/RS485 Port Specifications
Specification Description
Connector RJ-45
Number of ports 1 RS 232 or RS485 port depending on the type of cable.
Functionality Reserved for monitoring and communication with an
external subsystem