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4.5 LED FUNCTIONS
This section describes the LEDs on the MCC-DFL. Consult
Table
4-11, and
4.5.1 PWR - Power
The PWR LED remains lighted GREEN during normal operation,
indicating the reception of power. If the LED is off, the CM is not
receiving power.
4.5.2 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.
Table 4-12
to help interpret LED indications.
MCC-DFL
PWR
P1
P2
16 Mb
16 Mb
P
1
F
O
TX
T
A
P
2
RX
PWR
P1
P2
16 Mb
16 Mb
TX
P
1
F
O
RX
T
B
P
2
Figure 4-8 MCC-DFL LEDs
PWR
PWR
MCC-DFL SETUP
Figure
P1
P2
P1
P2
4-8,
4-11
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