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LEDs
LED
Active
Management Link
Management
Activity
1588 Port Link
1588 Port Activity
Sync
GPS
MPA LEDs
The Status LED and the Attention LED are located on the bottom of the MPA. The Link LEDs for each port
are located on the right-side of the MPA, next to the ejector lever.
Color
Status
This module is operational and in active redundancy state
Solid Green
Off
The module is in one of the following states:
• The redundancy state, active or standby, is not decided yet.
• This module is in the standby redundancy state.
The management port is linked up.
Green
Off
The management port is not linked up.
Flashing Green
The management port is transmitting or receiving.
Off
The management port is not transmitting or receiving.
The 1588 port is linked up.
Green
Off
The 1588 port is not linked up.
Flashing Green
The 1588 port is transmitting or receiving.
Off
The 1588 port is not transmitting or receiving.
The frequency, time, and phase are synchronized with an external
Green
interface (BITS, GPS, Recovered RX Clock).
Amber
The time core is in free-run or holdover mode.
Off (Default after
The time core clock synchronization is disabled. This is the
reset)
default state after a reset.
Green
The GPS interface is provisioned and ports are turned on. Time
of day (ToD), 1 packet per second (1PPS), and 10MHz are all
valid.
Off (Default after
Either the interface is not provisioned or the ports are not turned
reset)
on. ToD, 1PPS, and 10MHz are not valid.
Hardware Installation Guide for Cisco 8600 Series Routers
MPA LEDs
127
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