QR-4
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.
P1 and P2 - Ports
The
P1
and
P2
LEDs indicate the status of the associated lobe port, as
described in the table below.
RI And RO - Ports
The
RI
and
RO
LEDs indicate the status of the RI or RO port, as
described in the table below.
LED Activity
Meaning
GREEN
Phantom current present (port inserted).
OFF
No phantom current present (port wrapped).
Blinking RED
Speed-fault condition caused the port to wrap.
LED Activity
Meaning
GREEN
Active (port open).
Blinking
GREEN
Autowrap condition (port wrapped).
OFF
No activity (port wrapped).
Blinking RED
Speed-fault condition caused port to wrap.
