T640 T Series Control Boards (T-Cbs) Leds; Table 10: T-Cb Leds - Juniper T640 Hardware Manual

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T640 T Series Control Boards (T-CBs) LEDs

Copyright © 2010, Juniper Networks, Inc.
Each T-CB consists of the following components:
100-MB Ethernet switch for intermodule communication.
PCI bus to the Routing Engines.
Processor subsystem (SPMB).
Three LEDs, located on the T-CB faceplate, indicate its status.
The T-CB online/offline button, located on the faceplate.
NOTE: When the adjacent Routing Engine is online, the online/offline
button on the T-CB faceplate is nonfunctional. For more information, see
"Taking the T640 Host Subsystem Offline" on page 198.
Two configuration switches, located on the faceplate:
For a standalone T640 router, the
always be set to and
S
For T640 routers connected to a TX Matrix platform, the
configuration switches must always be set to
router. In this case, both T-CBs must have the same chassis ID. For more information,
see the TX Matrix Router Hardware Guide.
Two RJ-45 ports labeled
For a standalone T640 router, these ports are not used.
For T640 routers connected to a TX Matrix platform, only the
more information, see the TX Matrix Router Hardware Guide.
T640 Chassis Description on page 13
Replacing a T640 T-CB on page 201
Maintaining the T640 T-CBs on page 149
Three LEDs, located on the T-CB faceplate, indicate its status. Table 10 on page 39
describes the functions of the T-CB LEDs.

Table 10: T-CB LEDs

Label Color
MASTER Blue
FAIL Yellow
Chapter 3: T640 Router Hardware Component Overview
M/S and CHASSIS ID
.
0
M and the chassis identifier (ID) of the
and on the T-CB faceplate.
AUX CIP
State Description
On steadily T-CB is functioning as the master.
On steadily T-CB has failed.
configuration switches must
and
M/S CHASSIS ID
port is used. For
CIP
39