Nortel-networks 450 User Manual Page 250

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Using the BayStack 450 10/100/1000 Series Switch
C-4
302401-D Rev 00
There are two 100BASE-FX models (Figure C-2):
•400-2FX MDA
The 400-2FX MDA uses two longwave 1300 nm SC connectors to attach
devices over 62.5/125 or 50/125 micron multimode fiber optic cable.
•400-4FX MDA
The 400-4FX MDA uses four longwave 1300 nm MT-RJ connectors to attach
devices over 62.5/125 or 50/125 micron multimode fiber optic cable.
Figure C-2. 100BASE-FX MDA Front Panels
Both models conform to the IEEE 802.3u 100BASE-FX standard and can be used
for fiber-based 100 Mb/s connections (2 km/6562 ft maximum distance) to other
compatible Fast Ethernet devices. Single-mode fiber cable is not supported.
Table C-2
describes the 100BASE-FX components and LEDs.
RXTX
100BASE-FX
RXTX
100BASE-FX
Activity
Link
F Dx
400-2FX MDA
BS45043A
3
4
21
Activity
Link
F Dx
400-4FX MDA
3
4
2
1
kombk.book Page 4 Tuesday, June 29, 1999 3:25 PM
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