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

MCC-FRIO SETUP

3.3.3 P1 And P2 - Ports

The P1 and P2 LEDs indicate the status of the associated lobe port, as
listed in Table 3-2.
LED Activity
GREEN
OFF
Blinking RED

3.3.4 RI And RO - Ports

The RI and RO LEDs indicate the status of the RI or RO port, as listed in
Table 3-3.
LED Activity
GREEN
Blinking GREEN
Blinking RED
OFF
3-6
Table 3-2 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 3-3 Activity Of RI And RO LEDs
Meaning
Rx and Tx connected fiber key received
(port open and operational).
The connection from the upstream device
to the Receive connection is complete but
the port is wrapped.
Speed-fault condition caused the port to
wrap.
Rx disconnected (signal loss).