309978-D Rev 01 C-1
Appendix C
Media Dependent Adapters
This appendix describes the optional media dependent adapters (MDAs) that are
supported by your switch. The MDAs can support high-speed connections to
servers, shared Fast Ethernet hubs, or backbone devices.
Your BayStack 450 switch supports the following MDAs:
Nortel Networks is constantly adding new models and features to existing product
lines. For a full range of MDAs that are available from Nortel Networks, see your
Nortel Networks sales representative.
Note: The MDAs are not hot-swappable. Power down the switch before
installing or removing an MDA.
Interface type Model Refer to:
10BASE-T/100BASE-TX (UTP) 400-4TX MDA page C-2
100BASE-FX (Multimode fiber) 400-2FX MDA
400-4FX MDA
page C-3
1000BASE-SX
(Shortwave gigabit fiber)
450-1SR MDA
450-1SX MDA
page C-6
1000BASE-LX
(Longwave gigabit fiber)
450-1LR MDA
450-1LX MDA
page C-9
Asynchronous Transfer Mode (ATM) 450-2M3 MDA
450-2S3 MDA
page C-12
Gigabit Interface Converter (GBIC) 450-1GBIC MDA page C-15
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