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Magnum 8000X Mixed-Media Fiber Hubs Installation and User Guide (05/ 02)
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buffer is 1Mbps to maintain high network performance. The MAC address memory is
8KB, suitable for medium to large networks.
In summary, the Magnum SPM-FDST is a multi-mode fiber optic switching
port module. It has 100Mb ST-type connectors. There are two LEDs, LINK and RX,
to allow monitoring of LINK and packet reception (Activity) status of the SPM. The
SPM may be used to connect to another full-duplex 100Mbps hub or switch using
fiber cabling and using the 100BASE-FX protocol. It filters and forwards packets in
both directions at Fast Ethernet wire speed.
2.5.2 Magnum SPM-FDSC
The Magnum SPM-FDSC is a multi-mode, full-
duplex fiber optic switching port module with a
100Mb SC-type connector. The module may be used
to connect to another 100Mbps hub or switch using
fiber cabling and the 100BASE-FX protocol. It filters
and forwards packets in both directions at Fast
Ethernet wire speed.
The operation and application of the SPM-
FDSC is the same as the SPM-FDST described
above, except for the connectors on the fiber cable.
2.5.3 Magnum SPM-FDSSC
The Magnum SPM-FDSSC is a single-mode, full-duplex fiber optic switching port
module with a 100Mb SC-type connector. The module may be used to connect to
another 100Mbps hub or switch using fiber cabling and
using the 100BASE-FX protocol. It filters and forwards
packets in both directions at Fast Ethernet wire speed.
Since the SPM module segments the network, it also
maintains its address tables to know what node
addresses are on which side of the unit.
The Magnum SPM-FDSSC includes full
switching functionality and has two LED’s -
LINK and RX - to allow monitoring of link and
activity status of the SPM. The Magnum SPM-
FDSSC is a full duplex module. Thus, two
Ma
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num SPM-FDS
C
RX
LINK
F
X
SHARED
Ma
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num SPM-
FDSSC
RX
LINK
FX
SHARED