Powering Off The Router; Removing The Craft Interface - Juniper MX960 Hardware Manual

Removing the Original Top Hat of the Chassis | 297
Installing the Extended Cable Manager Top Hat | 301
Installing the New Rear Air Exhaust Grate | 309
Reinstalling the AC Power Inlet Cover (DC-Powered Routers Only) | 312
Reinstalling the Upper Fan Tray | 313
Reinstalling the Craft Interface | 314

Powering Off the Router

You must power off the router before installing the extended cable manager. To power off the router,
follow this procedure:
1. On the external management device connected to the Routing Engine, issue the request system halt
both-routing-engines operational mode command. The command shuts down the Routing Engines
cleanly, so their state information is preserved. (If the router contains only one Routing Engine, issue
the request system halt command.)
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
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. On an AC-powered router, switch the circuit breaker in the chassis above each power supply to the
off position (O). On a DC-powered router, switch the circuit breaker on each power supply faceplate
to the off position (OFF).

Removing the Craft Interface

To remove the craft interface, follow this procedure (see
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. Detach any external devices connected to the craft interface.
3. Loosen the captive screws at the top left and right corners of the craft interface faceplate.
CLI Explorer.
Figure 75 on page 288):
286