Juniper XRE200 -, Hardware Manual

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Hard Disk Drive LEDs on an XRE200 External Routing Engine
An XRE200 External Routing Engine ships with two Hard Disk Drive (HDD) modules. Each HDD module
on the external Routing Engine has two LEDs—a Hard disk Activity LED and a Hard disk Failure LED.
Figure 17 on page 44 shows the HDD module LEDs.
Figure 17: LEDs on the HDD Module on an XRE200 External Routing Engine
g020958
Hard disk
Activity LED Hard disk
Failure LED
You can monitor HDD module status by observing the LED states of both LEDs. Table 17 on page 44
describes the LED states.
Table 17: HDD Module LEDs on an XRE200 External Routing Engine
Description and Recommended Action Hard Disk Failure LED Hard Disk Activity LED
The HDD module is functioning normally. Off Off
The HDD module is functioning normally. Off Flickering
The HDD module is not properly installed in the HDD
module slot.
Remove and reinstall the module. See “Removing an HDD
Module from an XRE200 External Routing Engine” on
page 102 and “Installing an HDD Module in an XRE200
External Routing Engine” on page 103 .
On Blinking
The HDD module has failed.
Replace the HDD module. See “Removing an HDD Module
from an XRE200 External Routing Engine” on page 102 and
“Installing an HDD Module in an XRE200 External Routing
Engine” on page 103 .
On Off
The HDD module is synchronizing.
The external Routing Engine operates normally during this
synchronization.
Blinking Flickering
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