Nortel 2000, Using Manual

Page: 360 / 405

360 Appendix C Media dependent adapters
208700-B
Installing GBICs
This section describes how to install the gigabit interface converters (GBICs) to
the 450-1GBIC MDA’s Host port. The optional GBIC versions shown in Table 71
are currently available to support the 450-1GBIC MDA.
Table 70 450-1GBIc MDA description
Item Label Description
1 Link Communication link LEDs (green):
On: Valid communications link.
Off: The communications link connection is bad or there is no
connection to this port.
Blinking: The corresponding port is management disabled.
2 Phy Phy status LEDs (green);
On: The corresponding Phy port is active.
Off: The corresponding Phy port is in backup mode or there is no
connection to this port.
3 Activity Port activity LEDs (green):
Blinking: Indicates network activity level for the corresponding port.
A high level of network activity can cause LEDs to appear to be on
continuously.
4 GBIC Host port (refer to “Installing GBICs” on page 360 )
Table 71 Available GBIC models
Model number Description Part number
1000BASE-SX Uses shortwave 850 nm fiber optic connectors to
connect devices over multimode (550m/1805 ft)
fiber optic cable. AA1419001
1000BASE-LX Uses longwave 1300 nm fiber optic connectors to
connect devices over single-mode (5 km/3.1 mi) or
multimode (550m/1805 ft) fiber optic cable. AA1419002