P1 And P2 - Ports; Ri And Ro - Ports - Cabletron Systems MCC-16 User Manual

5.3.3 P1 And P2 - Ports

The P1 and P2 LEDs indicate the status of the associated lobe port, as
listed in Table 5-4.
LED Activity
GREEN
OFF
Blinking RED

5.3.4 RI And RO - Ports

The RI and RO LEDs indicate the status of the RI or RO port, as listed in
Table 5-4.
LED Activity
GREEN
Blinking GREEN
OFF
Blinking RED
Table 5-4 Activity Of P1 And P2 LEDs
Meaning
Phantom current present (port inserted).
No phantom current present.
Speed-fault condition caused the port to
wrap.
Table 5-5 Activity Of RI And RO LEDs
Meaning
Active (port open).
Autowrap enabled (port wrapped).
No activity (port wrapped).
Speed-fault condition caused the port to
wrap.
MCC-CRIO SETUP
5-7