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LEDs
LEDs
The following LED information is found in this section:
•
•
DPT and POS/DPT Uplink Card LEDs
Information on both uplink card specific LEDs and system LEDs for the DPT and POS/DPT uplink cards
is in this section.
The LEDs located on the left side of the DPT and POS/DPT uplink card provide DPT and POS uplink
status information. (See
whether the card is configured as POS or DPT. (See
See
Figure 5-1
10720-SR-LC
Table 5-1
DPT Uplink Status LEDs
LED
ACTIVE
CARRIER
RX PACKET
WRAP or SRP WRAP
PASSTHRU or SRP PASS THRU
1. Note that because of the SRP usage packets, this LED will remain permanently lit during normal SRP operation.
Book Title
5-2
DPT and POS/DPT Uplink Card LEDs, page 5-2
RPR/SRP Uplink Card LEDs, page 5-4
Figure
Table 5-3
for system LED information for the DPT and POS/DPT cards.
DPT and POS/DPT Uplink Card LEDs
TX
A
RX
Activity
Description
Green
Port is active.
Blinking red
Fiber misconnect is detected (that is, side A connected to neighbor side A).
There is no TX optical power.
Off
Port is not active.
Green
Framer has locked onto the SONET frames.
Off
Framer has not achieved lock.
Green
Packets are being received on the port.
Off
No packets are being received on the port.
Green
Wrap in system (for example, another station on the ring is wrapped).
Red
Port is in local wrap.
Off
No wrap (for example, port is operating normally).
Green
Port is in passthru mode.
Off
Port is operating normally.
5-1.) For POS/DPT uplink cards, the LED information is dependent on
Table 5-1
TX
B
RX
Chapter 5
Troubleshooting the Uplink Cards
and
Table
5-2.)
RESET
CONSOLE
AUX
1
78-13113-06 B0
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Troubleshooting
