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New Member

Cisco 3845 cannot detect HWIC-4B-S/T

Hi,

I have just received a Cisco 3845 and I have installed 2 ISDN BRI cards HWIC-4B-S/T. The router has only these cards and a AIM VPN module installed.

The router cannot detect the cards.

I have placed an isdn BRI card  HWIC-S/T ( 1 port ) it detects it without any problem on the same slot HWIC 0 and then HWIC 1 to test if the slots are ok too.

My question is there a problem on the HWIC-4B-S/T cards or any configuration to make.

The documentation says the router 3845 supports the HWIC-4B-S/T cards.

Please advise,

Thanks for your support,

Ashley Dewoo

  • WAN Routing and Switching
1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Silver

Re: Cisco 3845 cannot detect HWIC-4B-S/T

Hello Ashley,

datasheet is here:

http://www.cisco.com/en/US/prod/collateral/modules/ps5949/data_sheet_c78_439536.html

it says:




Supported in NM-1FE2W-V2, NM-1FE1R2W, NM-2FE2W-V2, and NM-2W

Can not be inserted into a mixed-media network module

post sh inventory

Hope to help

Giuseppe

2 REPLIES
Hall of Fame Super Silver

Re: Cisco 3845 cannot detect HWIC-4B-S/T

Hello Ashley,

datasheet is here:

http://www.cisco.com/en/US/prod/collateral/modules/ps5949/data_sheet_c78_439536.html

it says:




Supported in NM-1FE2W-V2, NM-1FE1R2W, NM-2FE2W-V2, and NM-2W

Can not be inserted into a mixed-media network module

post sh inventory

Hope to help

Giuseppe

New Member

Re: Cisco 3845 cannot detect HWIC-4B-S/T

Hi,

I found the solution,

You need to upgrade to IOS Advanced Services 12.4(20) T for the router to detect the cards.

For some reasons, the ios advanced security 12.4 (23) which i had previously did not support these cards.

Thanks again,

Ashley

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