•
Dust-free resealable plastic bags for temporary storage of fiber-optic array adapter
dust covers
•
Electrostatic discharge (ESD) grounding wrist strap
Related
Documentation
Overview of Integrating an Offline T640 Router with the TX Matrix Router on page 179
•
•
Replacing Offline T640 Hardware Components on page 180
•
Connecting an Offline T640 Router to the TX Matrix Router on page 182
Replacing Offline T640 Hardware Components
1.
Power Off the T640 Router on page 180
2.
Replacing the Standard CBs with T-CBs in the T640 Router on page 180
3.
Replacing the Standard SIBs in the T640 Router on page 181
4.
Replacing the Routing Engines in the T640 Router on page 182
Power Off the T640 Router
NOTE:
The CBs and T-CBs are hot-removable and hot-insertable if the router
contains redundant host subsystems. SIBs and T640-SIBs are hot-removable
and hot-insertable. However, we recommend that you power off the T640
router before you replace the CBs and SIBs.
To power off the T640 router:
1.
Issue the
request system halt both-routing-engines
operational mode command from
the console or other management device connected to the T640 router. The command
shuts down the Routing Engines cleanly, so their state information is preserved.
user@host>
request system halt both-routing-engines
Wait until a message appears on the console confirming that the operating system
has halted. For more information about the command, see the
Junos OS System Basics
and Services Command Reference
.
2.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
3.
Switch the circuit breakers on each power supply faceplate to the off position (
O
).
Replacing the Standard CBs with T-CBs in the T640 Router
To replace the standard CBs with T-CBs:
1.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
2.
Set the switches on each T-CB (see Figure 81 on page 181):
Copyright © 2010, Juniper Networks, Inc.
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Страница 389: ...PART 6 Index Index on page 359 357 Copyright 2010 Juniper Networks Inc ...
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