Maximum 3845 voice card capacity?

Unanswered Question
Feb 4th, 2010

Hello,

I am trying to build a 3845 of the following spec.with the configurator tool.

in the NM slots:

2x EVM-HD-8FXS/DID each with 2x EM3-HDA-8FXS/DID

2x NM-HD-2V each with 2x VIC2-2BRI-NT/TE

in the HWIC slots:

1x VIC2-2BRI-NT/TE

1x HWIC-4ESW

I specify IOS upgrade to S384RSPSK9-12424T so that the EM3-HDA is supported.

But when I finally click check configuration, it says there are only 4 HWIC slots available in CISCO3800, it doesn't appear to take into account that 4 of them are going into the NM-HD-2V modules.

Is this a configurator bug?

Now someone has told me that the 3845 doesn't support 2x EVM-HD-8FXS/DID each with 2x EM3-HDA-8FXS/DID as well.

Is this true or not?

HELP!

Paul

I have this problem too.
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Paolo Bevilacqua Fri, 02/05/2010 - 02:10

Seems to me you are pushing the envelope, should split in two boxes one for analog breakout (VG224), one for trunking to PSTN.

And avoid the NM-HDx that are older technology. Also you will find that rather a miriad of BRI, one PRI is infinitely better, and cheaper.

paulbritton Fri, 02/05/2010 - 03:04

I thought that the VG224/248 were non-preferred (going end-of-life) as the newer routers (28xx,38xx,29xx,39xx) have absorbed the functionality into their capability.

Customer wants to remain on analog handsets and TDM for voice, so VOIP is not an option.

Unfortunately, I have a requirement to interface to 8 ISDN BRI user devices, BRI is an essential component. I am using E1 for the PSTN trunking.

So, pushing the envelope or not, does anyone know if a 3845 can give me 48x analog voice ports, 8x BRI ports, 1x E1 port and 4x Ethernet switch ports? If so, what modules do I need to achieve this?

Paolo Bevilacqua Fri, 02/05/2010 - 12:45

The VG248 is EOS, but not the V224 that runs IOS and sells in big numbers.

Once you move the FSX to a separate box, you can accomodate the PSTN cards to an ISR router. It does not need to be a 3845, it can be as a 28xx or 29xx.

Usually the dynamic configurator is correct in determing what cards can be supported on it.

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