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Port 1
Port 3
Port 4
Port 2
DIP Switch Location
Full Duplex
Half Duplex
43
2
1
ON
OFF
Figure 1-9. Location and setting duplex mode
The following Table1-3. lists the ports operating modes
based on the DIP switch position.
PORT 1 PORT 2 PORT3 PORT4
SW 1 2 3 4
ON Half-Duplex Half-Duplex Half-Duplex Half-Duplex
OFF Full-Duplex Full-Duplex Full-Duplex Full-Duplex
Table 1-3. 4 ports 100Base-FX Fiber Module DIP switch
functions
4 ports 100Base-FX Fiber Module Feature
Conforms to IEEE 802.3u Fast Ethernet standard
Support SC or ST fiber connector (optional)
Support half and full duplex via DIP switches
Store-and-forward switch architecture for abnormal
packets filtering
Back-plane up to 2.4Gbps
5 M bytes Packet Buffer
Automatic address learning with 12K address entry
storage
Filtering and forwarding rate 148,800 packets per
second for 100Mbps
100Base-FX uses 62.5/125um multi-mode fiber or
8/125 um single mode fiber for single mode type