T640 T Series Control Boards (T-Cbs) Leds; T640 Lcc-Cb Description; Table 15: T-Cb Leds - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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46
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
T640 Hardware Component Overview on page 11
T640 Host Subsystem Description on page 32
T640 Control Boards Description on page 43
T640 T Series Control Boards (T-CBs) LEDs on page 46

T640 T Series Control Boards (T-CBs) LEDs

Three LEDs, located on the T-CB faceplate, indicate the status of the T-CB.
Table 15 on page 46 describes the functions of the T-CB LEDs.

Table 15: T-CB LEDs

Label Color
Blue
MASTER
Yellow
FAIL
Green
OK
T640 Host Subsystem Description on page 32
T640 Control Boards Description on page 43
T640 T Series Control Boards (T-CBs) Description on page 45
Troubleshooting the T640 Host Subsystem on page 213
Troubleshooting the T640 Control Board on page 214

T640 LCC-CB Description

Each LCC-CB consists of the following components:
100-MB Ethernet switch for intermodule communication.
PCI bus to the Routing Engines.
Switch processor mezzanine board (SPMB).
Figure 25 on page 47 shows the LCC-CB.
and the chassis identifier (ID) of the
M
.
State Description
On steadily T-CB is functioning as the master.
On steadily T-CB has failed.
On steadily T-CB is online and is functioning normally.
Blinking T-CB is powering up, but not online.
and
M/S CHASSIS ID
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