Switch Owner's Manual

Using the Passport 8100 Modules
C-4 204515-C
Table C-2 describes the 1000BASE-LX MDA LEDs.
8100-4TX MDA
The 8100-4TX MDA (Figure C-3) uses standard RJ-45 connectors to attach
Ethernet devices. This MDA can operate at either 10 Mb/s or 100 Mb/s speed.
The speed is determined through autonegotiation with the connected device.
Figure C-3. 8100-4TX MDA Front Panel
Table C-2. 1000BASE-LX MDA LEDs
Label Type Color/State Meaning
Link Communication
link LEDs
Green/On A valid communication link is established.
Green/
Blinking
The corresponding port is management disabled.
Off The communication link connection is bad, or there is no
connection to this port.
Phy Select Phy selection
LEDs
Green/On The corresponding Phy port is selected.
Off The corresponding Phy port is in backup mode.
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.
8100-4TX MDA
Activity
100
10
F Dx
9215EB
2
1
1 = LEDs
2 = 10BASE-T/100BASE-TX Port Connectors