Juniper MX240 - Replacing an MX240 MIC; Removing an MX240 MIC

Related
Documentation
MX240 Flexible PIC Concentrator (FPC) Description on page 57•
• Maintaining MX240 FPCs on page 387
• Replacing an MX240 PIC on page 316
• Tools and Parts Required to Replace MX240 Hardware Components on page 226
• Preventing Electrostatic Discharge Damage to an MX240 Router on page 444
• MX240 DPC Serial Number Label on page 422
Replacing an MX240 MIC
1.
Removing an MX240 MIC on page 307
2.
Installing an MX240 MIC on page 309
Removing an MX240 MIC
MICs are hot-insertable and hot-removable. When youremove a MIC, the router continues
to function, although the MIC interfaces being removed no longer function.
The MICs are located in the MPCs installed in the front of the router. A MIC weighs less
than 2 lb (0.9 kg).
To remove a MIC (see Figure 136 on page 308 and Figure 137 on page 309):
1. Place an electrostatic bag or antistatic mat on a flat, stable surface to receive the
MIC. If the MIC connects to fiber-optic cable, have ready a rubber safety cap for each
transceiver and cable.
2. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
3. Use one of the following methods to take the MIC offline:
•
Press its online/offline button. Use a narrow-ended tool that fits inside the opening
that leads to the button. Press and hold the button until the MIC OK/FAIL LED goes
off (about 5 seconds).
•
Issue the following CLI command:
user@host> request chassis mic fpc-slot mpc-slot mic-slot mic-slot offline
For more information about the command, see the CLI Explorer.
4. Label the cables connected to the MIC so that you can later reconnect each cable to
the correct MIC.
5. Disconnect the cables from the MIC. If the MIC uses fiber-optic cable, immediately
cover each transceiver and the end of each cable with a rubber safety cap.
307Copyright © 2017, Juniper Networks, Inc.
Chapter 25: Replacing Line Card Components