Led Functions; Pwr - Power; Mb - Ring Speed - Cabletron Systems MCC-16 User Manual

MCC-CRIO SETUP

5.3 LED FUNCTIONS

This section describes the LEDs on the MCC-CRIO. Consult
Table 5-4, and Table 5-4

5.3.1 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.

5.3.2 16 Mb - Ring Speed

The 16 Mb LED lights YELLOW to indicate a 16 Mbps ring speed.
An unlit LED indicates a ring speed of 4 Mbps.
5-6
to interpret LED indications.
MCC-CRIO
PWR P1
16 Mb RI
16 Mb
P
1
R
I
RO
P2
R
O
P
2
Figure 5-4 MCC-CRIO LEDs
PWR
RO
P2
Figure
P1
RI
5-4,