Cabletron Systems MICROMMAC-22T, User Manual

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OPERATION
2-7
2. Flip the NVRAM switch from its current position with a
non-conductive instrument inserted through the right-most lower
circulation vent on the right side panel.
3. Reset the MicroMMAC-T as described in Section 2.2.2 .
2.3 INDICATORS
This section describes MicroMMAC-T indicators:
•
LANVIEW LEDs
• LCD system.
2.3.1 Describing LANVIEW LEDs
The MicroMMAC-T’s LANVIEW LED monitoring and diagnostic
system, shown in
Figure 2-6 , consists of two sets of LEDs:
•
System LEDs (CPU, 16Mb/s, ACT, MGMT)
•
Port Status LEDs (1 to 24)
Figure 2-6 LANVIEW LEDs
System LEDs provide information about the status of functions or
processes related to either the MicroMMAC-T, the Token Ring network,
or both. Port Status LEDs indicate whether their corresponding lobe ports
are enabled or disabled.
CPU
16Mb/s
ACT
MGMT
System LEDs
Port Status LEDs
24 23 22
21 20 19
18 17 16
15 14 13
12 11 10
9 8 7
6 5 4
3 2 1