Replacing An Mda; Installing Gbics; Table C-7. Available Gbic Models - Nortel BayStack 450-24T Using Manual

Replacing an MDA

When replacing an installed MDA:
1.
2.
3.
4.

Installing GBICs

This section describes how to install gigabit interface converters (GBICs) on your
450-1GBIC MDA's Host port.
Note: For more information about supported GBICs and for details about
cabling specifications, refer to the Gigabit Interface Converter (GBIC)
Installation Guide (part number 208723-A).
Refer to Table C-7 for a list of supported GBIC models that you can order from
Nortel Networks.
Table C-7. Available GBIC Models
Model number
1000BASE-SX
1000BASE-LX
1000BASE-XD
1000BASE-ZX
309978-D Rev 01
Power down the switch.
Remove the AC power cord from the power source.
Remove the installed MDA.
Loosen the thumbscrews and remove the MDA.
Install the replacement MDA.
Be sure to firmly tighten the two thumbscrews on the MDA front panel.
Power up the switch.
Description
Uses shortwave 850 nm fiber optic connectors to connect devices
over multimode (550 m/1805 ft) fiber optic cable.
Uses longwave 1300 nm fiber optic connectors to connect
devices over single mode (5 km/3.1 mi) or multimode (550 m/
1805 ft) fiber optic cable.
Uses single mode fiber to connect devices over distances up to
50 km (31 mi), depending on the quality of the cable.
Uses single mode fiber to connect devices over distances up to
70 km (43 mi), depending on the quality of the cable. The ports
operate in full-duplex mode only.
Media Dependent Adapters
Part number
AA1419001
AA1419002
AA1419003
AA1419004
C-19