VWIC2 versus VWIC3

[antoinemeunier]

Hello,

I have a question concerning VWICs and 3945e Voice Routers.

Our customer uses 3945e Voice Routers, and we want to add VWICs in it. Now, part of the box already uses VWIC3-modules, but we still have some VWIC2-modules that we could use.

Can we combine VWIC2 and VWIC3 modules in one VR?
And can we combine PVDM2 and PVDM3?

Thanks a lot,

Best regards,
Antoine

[acampbell · Accepted solution]

Hi,

Have a look at these links:-

For supported VWICS
http://www.cisco.com/en/US/prod/collateral/routers/ps10538/aag_c07_563807.pdf

DSP (PVDMs)
http://www.cisco.com/en/US/prod/collateral/routers/ps10538/qa_c67_553891_ps10536_Products_Q_and_A_Item.html

Q. Can the PVDM2 and PVDM3 DSP modules coexist on the Cisco 2900 and 3900 Series routers?
A. Yes, they can coexist as long as they are not both installed in the same domain. The motherboard PVDM slots form one domain and each service-module slot forms a separate domain. The motherboard domain can contain either all PVDM2 modules or all PVDM3 modules. A service-module domain can contain only PVDM2 modules housed by the NM-HDV2 carrier card. If a mix of PVDM2s and PVDM3s is detected on the motherboard, the PVDM2s are deactivated, allowing only the PVDM3s to be active. If PVDM2s are detected in service-module slots and PVDM3s are installed on the motherboard, then both continue to function in their own domain and coexist.

Regards,
Alex.
Please rate useful posts.

[antoinemeunier]

Hello Alex,

Thanks a lot for the info.

I have one more question concerning this hardware:

Can you use a VWIC2 with a PVDM3 and a VWIC3 with a PVDM2?

Thanks!

Best regards,

Antoine

[acampbell · Accepted solution]

Antoine

The answers are YES to both scenarios

You would be better to use the DSP calculator for your 3945E

http://www.cisco.com/web/applicat/dsprecal/dsp_calc.html

Plug in the details of what you want and check the output.

Remember PVDM3 are only supported from ISR-G2 type routers

IE//  you cannot use them in say 2800 series routers.

Regards,
Alex.
Please rate useful posts.

[Ayodeji Okanlawon]

Antoine,

First of all you should appreciate useful posts. I suggest you appreciate alex for that link he provided..

Secondly, on that same link you have this..

Modules

Q. What modules are supported in the new Cisco ISR G2 routers?

A. The new routers support most of the modules already available in the extensive integrated services router portfolio. Most WAN interface cards (WICs), voice WICs (VWICs), and HWICs are directly compatible with the new EHWIC form factor and will work natively in the EHWIC slots. Most network modules and enhanced network modules (NMEs) are also compatible with the new service-module form factor with an adapter (part number SM-NM-ADPTR). In addition, you retain any investment made with PVDM2 modules for voice DSP functions because these modules are also compatible with the new PVDM3 slots using a physical adapter (PVDM2-ADPTR).

So yes the PVDM3s will support VWIC2s