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# Removing Modules and IOAs

This section describes the procedures for removing modules and IOAs. For a list of hot-swappable IOAs, see Table 4.

| Note: We recommend that you issue the slot disable command from the CLI before removing a line module or IOA.

| Caution: If you do not use the halt command before removing or powering down an SRP module, the system's NVS card can become corrupted.

To remove a module or an IOA:

1. For SRP modules and SRP IOAs, issue the appropriate halt command (halt, halt primary-srp, or halt standby-srp).

   See JUNOSe System Basics Configuration Guide, Chapter 6, Managing Modules for information about the halt commands.

2. Ground yourself by using an antistatic wrist strap or other device and connect it to an ESD grounding jack.
3. Use a No. 2 Phillips screwdriver to loosen the captive screws located at the top and bottom of the module panel.
4. If the module has ejector handles, pull them to the open position, as shown in Figure 21.

   Figure 21: Opening Ejectors from the Closed Position

5. Carefully slide the module out of the chassis.
6. Place the module in its antistatic bag, being careful not to touch module components, pins, leads or solder connections.
7. Cover the empty chassis slot with a blank filler panel, and tighten the filler panel's captive screws using a No. 2 Phillips screwdriver. Turn both screws several times before tightening them completely.

   | Caution: Do not overtighten the screws.

If you remove an IOA and not the corresponding line module, the line module reboots. Its status becomes inactive when you issue the show version command.

If you remove a line module and do not delete the corresponding configuration, the status of the line module is listed as not present when you issue the show version command.

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