Cisco 10720 - Internet Router Installation And Configuration Manual page 87

Chapter 3 Installing the Cisco 10720 Internet Router
The color of the LEDs is green/red on the DPT and POS/DPT uplink cards, and green/amber on the
Note
RPR/SRP uplink card.
Table 3-6
LED
ACTIVE
CARRIER
RX PACKET
WRAP
PASS THRU
1. Note that due to the SRP IP packets, this LED will remain permanently lit during normal SRP
operation.
2. After you shut down the port interface on the uplink card, the RX PKT LED remains on if SRP
packets (including transit SRP packets) are still being received in Pass-thru mode. The RX PKT
LED turns off if no SRP packets are received.
Table 3-7
LED
ACTIVE
CARRIER
RX PACKET
SRP WRAP
SRP PASS THRU
78-13062-10
DPT Uplink Card Status LEDs
Activity Description
Green The port is active.
Blinking red Fiber misconnect is detected (that is, side A
connected to neighbor side A).
Off The 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.
Red Port is in local wrap.
Green Wrap in system (for example, another port on
the ring is wrapped).
Off No wrap (i.e., the port is operating normally).
Green Port is in Pass-thru mode.
Off Port is operating normally.
POS/DPT Uplink Card Status LEDs
Activity
Green
Off
Green
Off
Green
Off
Off
Off
Cisco 10720 Internet Router Installation and Configuration Guide
Verifying the Cisco 10720 Internet Router LEDs
1,2
Description
Port is active.
Port is not active.
Framer has locked onto
the SONET frames.
Framer has not achieved
lock.
Packets are being
received on the port.
No packets are being
received on the port.
Not applicable to POS.
Not applicable to POS.
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