Component Leds - Juniper T640 Hardware Manual

Component LEDs

Copyright © 2017, Juniper Networks, Inc.
See "T640 Craft Interface FPC LEDs and Online/Offline Buttons" on page
Alarm LEDs—One large red circular LED and one large yellow triangular LED, located
on the upper left of the craft interface, indicate two levels of alarm conditions. You can
determine the cause of the alarm condition by looking at the LCD on the craft interface.
See "T640 Craft Interface Alarm LEDs and ACO/LT Button" on page
The following LEDs are located on various router components and display the status of
those components:
Connector interface panel (CIP) LEDs—Two small LEDs on left edge of the
port on the CIP indicate the connection in use.
NOTE: When RE-C1800 are installed, the LEDs are always yellow for both
a 10-Mbps connection and 100-Mbps connection.
See "T640 Connector Interface Panel (CIP) LEDs" on page
Control board LEDs—Three LEDs on each control board faceplate indicate the status
of that control board. If no LEDs are lit, the control board is not receiving power.
See "T640 Standard Control Boards LEDs" on page
(T-CBs) LEDs" on page
PIC LEDs—Each port on each PIC has an LED that indicates the status of the port.
See the T640 Core Router Interface Module Reference.
SIB LEDs—Three LEDs on each SIB faceplate—
status of that SIB.
See T640 Switch Interface Boards (SIBs) LEDs
SCG LEDs—Three LEDs on each SCG faceplate indicate the status of that SCG.
T640 SONET Clock Generators (SCGs) LEDs on page 28
Power supply LEDs—LEDs on each power supply faceplate indicates the status of that
power supply.
See the following documentation:
T640 Two-Input 160-A DC Power Supply LEDs on page 98
T640 Three-Input 240-A DC Power Supply LEDs on page 100
T640 Four-Input 240-A DC Power Supply LEDs on page 103
T640 Six-Input DC Power Supply LEDs on page 105
T640 Three-Phase Delta and Wye AC Power Supply LEDs on page 109
66, or "T640 LCC-CB LEDs" on page
ACTIVE
Chapter 33: Troubleshooting Components
24.
23.
ETHERNET
22.
64, "T640 T Series Control Boards
62.
, OK , and FAIL —indicate the
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