Cabletron Systems MCC-DFL Quick Reference - Qr.2
Manual is about: Fiber Link Conversion Module, SETTING SWITCHES AND JUMPERS
of
10
QR-7
QR.2
LED FUNCTIONS
Consult the diagram to help interpret LED indications.
MCC-DFL LEDs
PWR - Power
The
PWR
LED lights GREEN during normal operation, indicating the
reception of power. If the LED is off, the MCC-DFL is not receiving
power.
16 Mb - Ring Speed
Each FOT has a
16 Mb
LED. The LEDs lights YELLOW to indicate a
16 Mbps ring speed on the associated FOT. An unlit LED indicates a ring
speed of 4 Mbps on the associated FOT.
P1 And P2 - Ports
Each FOT has
P1
and
P2
LEDs to indicate the status of the associated
port.
On FOT-A, the
P1
LED indicates the status of the RJ45 port and the
P2
LED indicates the status of the fiber ST port.
MCC-DFL
P
1
P
2
P1
P2
16 Mb
PWR
P1
P2
16 Mb
PWR
P
2
P
1
TX
TX
RX
RX
F
O
T
B
F
O
T
A
P1
P2
16 Mb
PWR
P1
P2