Juniper MX240 - RE-S-1800 Routing Engine Description for MX Series; RE-S-1800 Routing Engine Components; Figure 16: RE-S-1800 Front View

router boots is called the primary boot device, and the other disk is the alternate boot
device.
NOTE: If the router boots froman alternateboot device, a yellowalarm lights
the LED on the router’s craft interface.
Booting in a RE-S-X6-64G and in a RE-S-X6-64G-LT Routing Engine follows this
sequence—the USB device, SSD1, SSD2, and LAN. SSD1 is the primary boot device. Boot
sequence is tried twice for SSD1 and SSD2.
Related
Documentation
MX240 Routing Engine LEDs on page 31•
• Removing an MX240 Routing Engine on page 275
• Installing an MX240 Routing Engine on page 232
• MX240 Routing Engine Serial Number Label on page 429
RE-S-1800 Routing Engine Description for MX Series
Figure 16 on page 27 shows the Routing Engine 1800.
Figure 16: RE-S-1800 Front View
g006040
USB
port
Reset
button
Extractor
clip
Extractor
clip
Console
port
Auxiliary
port
Ethernet
port
SSD
slot 2
SSD
slot 1
•
RE-S-1800 Routing Engine Components on page 27
•
RE-S-1800 Routing Engine Boot Sequence on page 28
RE-S-1800 Routing Engine Components
Figure 17 on page 28 shows the RE-S-1800 Routing Engine.
27Copyright © 2017, Juniper Networks, Inc.
Chapter 5: Host Subsystem Components and Descriptions