Figure C-2. 1000Base-Lx (Longwave Gigabit) Mda Front Panels; Table C-1. 1000Base-Sx Mda Leds - Nortel 1000BASE-XD Using Manual

450-1LR MDA
(1-port redundant)
1000BASE-LX 1000BASE-LX
TX RX TX
2
Figure C-2. 1000BASE-LX (Longwave Gigabit) MDA Front Panels
Table C-1
Table C-1. 1000BASE-SX MDA LEDs
Label Type
Link Communication
link LEDs
Phy Select Phy selection
LEDs
Activity Port activity
LEDs
204515-C
450-1LX MDA
(single port)
Link
Phy Select
Activity
RX
450-1LR MDA
1
1 = LEDs
2 = 1000BASE-FX SC Port Connectors
describes the 1000BASE-SX MDA LEDs.
Color/State Meaning
Green/On A valid communication link is established.
Green/ The corresponding port is management disabled.
Blinking
Off The communication link connection is bad, or there is no
connection to this port.
Green/On The corresponding Phy port is selected.
Off The corresponding Phy port is in backup mode.
Green/ Indicates network activity level for the corresponding port.
Blinking A high level of network activity can cause LEDs to appear to
be on continuously.
Media Dependent Adapters
1000BASE-LX
Link
Phy
Activity
TX RX
450-1LX MDA
2
1
9216EA
C-3