Nortel Networks 450 - Manual (Page 248)

Using the BayStack 450 10/100/1000 Series Switch
C-2 302401-D Rev 00
10BASE-T/100BASE-TX MDA
The 400-4TX MDA ( Figure C-1 ) uses four 10BASE-T/100BASE-TX RJ-45
(8-pin modular) port connectors to attach Ethernet devices. Table C-1 describes
the 400-4TX MDA components and LEDs.
Figure C-1. 400-4TX MDA Front Panel
Table C-1. 400-4TX MDA Components
Item Label Description
1 100 100BASE-TX port status LEDs (green):
On: The corresponding port is set to operate at 100 Mb/s.
Off: The link connection is bad or there is no connection to this port.
Blinking: The corresponding port is management disabled.
2 10 10BASE-T port status LEDs (green):
On: The corresponding port is set to operate at 10 Mb/s.
Off: The link connection is bad or there is no connection to this port.
Blinking: The corresponding port is management disabled.
3 F Dx Full-duplex port status LEDs (green):
On: The corresponding port is in full-duplex mode.
Off: The corresponding port is in half-duplex mode.
4 Activity Port activity LEDs (green):
Blinking: Indicates the network activity level for the corresponding port. A
high level of network activity can cause LEDs to appear to be on
continuously.
5 10BASE-T/100BASE-TX RJ-45 (8-pin modular) port connectors.
400-4TX MDA
Activity
100
10
F Dx
1
4
BS45042A
5 3
2
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