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MCC-D2PM SETUP
6.3.1 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.
6.3.2 2 Rings - CM Split
The 2 Rings LED lights YELLOW to indicate the CM is split into two
rings. An unlit LED means all four ports are on the same MAU.
6.3.3 16 Mb - Ring Speed(s)
Each 2-port MAU has a 16 Mb LED. The LEDs light YELLOW to
indicate a 16 Mbps ring speed on the associated MAU. An unlit LED
indicates a ring speed of 4 Mbps on the associated MAU.
If the MCC-D2PM has only one ring then the status of the top
16 Mb LED indicates the speed of the entire CM.
6.3.4 P1, P2, P3, And P4 - Ports
The P1, P2, P3, and P4 LEDs indicate the status of the associated lobe
port, as listed in
6-6
MCC-D2PM
PWR
PWR
P1
P2
16 Mb
16 Mb
P
1
P
2
2 RINGS
2 RINGS
P3
P4
16 Mb
16 Mb
P
3
P
4
Figure 6-4 MCC-D2PM LEDs
Table
6-5.
P1
P2
P3
P4
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