11
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
DES-124F 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
Backplane up to 2.4Gbps
Automatic address learning with 12K address entry storage
Filtering and forwarding rate 148,800 packets per second for
100Mbps
100Base-FX uses 62.5/125 micron multi-mode fiber