Figure 151: Installing A Standard Control Board; Figure 152: Installing A T-Cb - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
Related
Documentation
316
For a T-CB in a T640 router connected to a TX matrix router, reconnect the cable
6.
previously plugged into the
Verify that the control board is functioning normally:
7.
Check the LEDs on the control board faceplate. The green
steadily a few minutes after the control board is installed. If the
steadily, remove and install the control board again. If the
steadily, the control board is not functioning properly. Contact your customer support
representative.
Use the CLI command
board.

Figure 151: Installing a Standard Control Board

Figure 152: Installing a T-CB

T640 Preventing Electrostatic Discharge Damage on page 506
T640 Standard Control Boards LEDs on page 64
T640 Standard Control Boards Description on page 63
T640 T Series Control Boards (T-CBs) Description on page 64
T640 T Series Control Boards (T-CBs) LEDs on page 66
port.
CIP
show chassis environment cb
LED should light
OK
FAIL LED is lit
LED still lights
FAIL
to check the status of the control
Copyright © 2017, Juniper Networks, Inc.