Switch Owner's Manual
204515-C C-1
Appendix C
Media Dependent Adapters
This appendix describes the media dependent adapters (MDAs) that are available 
from Nortel Networks. The MDAs can support high-speed connections to servers, 
shared Fast Ethernet hubs, or backbone devices.
The following MDA versions are available for the Passport 8132TX Edge Switch 
Module:
• 450-1SR MDA—1000BASE-SX MDA (1-port shortwave gigabit fiber, 
with 1 redundant port)
• 450-1SX MDA—1000BASE-SX MDA (1-port shortwave gigabit fiber)
• 450-1LR MDA—1000BASE-LX MDA (1-port longwave gigabit fiber, 
with 1 redundant port)
• 450-1LX MDA—100BASE-LX MDA (1-port longwave gigabit fiber)
• 8100-4TX MDA—10BASE-T/100BASE-TX MDA (4-port copper)
• 8100-2FX MDA—100BASE-FX MDA (2-port multimode fiber with 
SC connectors)
• 8100-4FX MDA—100BASE-FX MDA (4-port multimode fiber with 
MT-RJ connectors)
Nortel Networks continually adds new models and features to existing product 
lines; see your Nortel Networks sales representative for a full range of available 
MDAs that may have been added after the release of this guide. Each MDA 
shipment comes with installation instructions.










