Re-S-1800 Routing Engine Leds; Re-S-1800 Routing Engine Boot Sequence - Juniper MX480 Hardware Manual

RE-S-1800 Routing Engine Boot Sequence

The router is shipped with Junos OS preinstalled on the Routing Engine. There are three copies of software:
One copy on the CompactFlash card in the Routing Engine.
One copy on the hard disk in the Routing Engine.
One copy on a USB flash drive that can be inserted into the slot on the Routing Engine faceplate.
The Routing Engine boots from the storage media in this order: the USB device (if present), then the
CompactFlash card, then the Solid State Disk (SSD), then the LAN. Normally, the router boots from the
copy of the software on the CompactFlash card.
SEE ALSO
RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE Ports
RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port
Replacing an MX960 Routing Engine
Supported Routing Engines by Router | 89

RE-S-1800 Routing Engine LEDs

Each Routing Engine has four LEDs that indicate its status. The LEDs, labeled MASTER, STORAGE, ONLINE,
and OK/FAIL, are located directly on the faceplate of the Routing Engine.
the functions of the Routing Engine LEDs.
Table 26: Routing Engine LEDs
Label Color
MASTER Blue
STORAGE Green
ONLINE Green
State Description
On Routing Engine is the Master.
steadily
Blinking Indicates activity on the SSD or Compact Flash.
Blinking Routing Engine is transitioning online.
On Routing Engine is functioning normally.
steadily
Table 26 on page 73 describes
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