How to know the router2811 has PVDM?

Hi I want to set up VoIP lab. so I need the router that has PVDM inside. How do I know the router has PVDM? Or what router name means it already has the PVDM? Thank you.
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I don't know router names that have PVDM inside, but
# show diag
should show you module details under section (if there is PVDM)

PVDM Slot 0:

PVDM Slot 1:
eemoonAuthor Commented:
Thank you so much for your reply. Attached please see the picture. It shows "PVDM". Do you think the router should have PVDM based on the picture? Thanks
You have color codes here.

Off - No PVDM installed in slot (0, 1, 2). - Indication is for information only.

Green - PVDM in slot (0, 1, 2) is initialized. - Normal indication. No action required.

Amber - During bootup—PVDM in slot (0, 1, 2) is detected.
Amber - After bootup—PVDM in slot (0, 1, 2) failed to initialize.
If PVDM fails to initialize, replace the PVDM. To replace the PVDM, refer to the Installing and Removing PVDMs section of the Installing and Upgrading Internal Modules in Cisco 2800 Series Routers online document.

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eemoonAuthor Commented:
Thank you so much!
You're welcome.
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