Cisco XR 12000 Series - Manual (Page 92)

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Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
2-Port and 4-Port OC-48/STM-16 POS SPA Overview
2-Port and 4-Port OC-48/STM-16 POS SPA LEDs
The 2-Port and 4-Port OC-48/STM-16 POS SPA has five types of LEDs: four LEDs for each port on the
SPA and one STATUS LED, as shown in
Figure 2-44 .
Figure 2-44 2-Port OC-48 POS/RPR SPA Faceplate
Table 2-41 describes the 2-Port and 4-Port OC-48/STM-16 POS SPA LEDs.
1 PTH (Pass Through) LED 4 ACT (Active Loopback) LED
2 PRT (Protect) LED 5 STATUS LED
3 CAR (Carrier Alarm) LED
STAT
U
S
0 1 SPA-2XOC48-POS/RPR
138086
PTH
CAR
PR
T
AC
T
PTH
CAR
PR
T
AC
T
1 2
3 4 5
Table 2-41 2-Port and 4-Port OC-48/STM-16 POS SPA LEDs
LED Label Color State Meaning
PTH Off Off Port is not in pass-through mode.
Green On Port is in pass-through mode.
CAR Off Off Port is not enabled by software.
Green On Port is enabled by software, and there is a valid
SONET signal without any alarms.
Amber On Port is enabled by software, and there is at least
one alarm.
Amber Flashing Port is enabled by software, and there is a side
mismatch.
PRT Off Off Port is not wrapped or steering.
Green On A node on the ring is wrapped.
Green Flashing A node on the ring is steering.
Amber On Port is locally wrapped.
Amber Flashing Port is locally steering.
ACT Off Off Port is not enabled by software.
Green On Port is enabled by software, and loopback is off.
Amber On Port is enabled by software, and loopback is on.