T640 Re-2000 Description; Table 8: Routing Engine 1600 Leds - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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36
EEPROM—Stores the serial number of the Routing Engine.
Interfaces for management—Provide information about Routing Engine status to
devices (console, laptop, or terminal server) connected to the Routing Engine ports
located on the CIP.
The faceplate of the RE-1600 contains the following:
Two PC Card slots—Accept removable PC Cards, which store software images for
system upgrades.
Reset button—Reboots the Routing Engine when pressed.
LEDs—Table 8 on page 36 describes the functions of these LEDs.

Table 8: Routing Engine 1600 LEDs

Label Color
Red and
Slot LEDs 0
green
and 1
alternately
Green
Yellow
HD
NOTE: The LEDs on the Routing Engine do not necessarily indicate
routing-related activity.
NOTE: The LEDs that report host module status (including Routing Engine
status) are on the craft interface rather than the Routing Engine faceplate.
Replacing a T640 Routing Engine on page 206
T640 Routing Engine Functions on page 8
Maintaining the T640 Routing Engines on page 148

T640 RE-2000 Description

The RE-2000 Routing Engine boots from the storage media in this order: the USB device,
then the CompactFlash card (if present), then the hard disk, then the LAN.
State Description
Blinking Indicates that the Routing Engine is booting
and the firmware is checking if a PC card is
installed.
On steadily Indicates that the Routing Engine booted from
the PC Card.
On steadily or Indicates activity on the hard drive.
blinking
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