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

Answered Question
Aug 15th, 2010
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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

Attachment: 
Correct Answer by Giuseppe Larosa about 6 years 8 months ago

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

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ashley_dew Sun, 08/15/2010 - 23:31
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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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