Installation guide

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Release Notes for Cisco uBR7200 Series for Cisco IOS Release 12.1 T
78-10643-04 Rev. B0
Limitations and Restrictions
Limitations and Restrictions
Cisco IOS Release 12.1(5)T for the Cisco uBR7200 Series Universal Broadband Routers contains the
following limitations and restrictions. Unless otherwise indicated, these limitations and restrictions
apply to all previous software releases as well.
Wireless Modem Card Support for Port Adapters
Not all port adapters are supported with the point-to-point wireless modem card. The HSSI, 10BaseT
Ethernet, 100BaseT Ethernet, serial Frame Relay, ATM, and POS interfaces are fully supported. The
Gigabit Ethernet port adapter was not supported with the point-to-point wireless modem card at the time
the Cisco IOS Release 12.1(5)T software was released.
Wireless System Power Feed Panel
The cable that supplies -48VDC to the wireless system’s power feed panel should not exceed 3 meters
in length.
Important Notes
The following sections contain important notes about Cisco IOS Release 12.1 T that apply to
Cisco uBR7200 Series Universal Broadband Routers.
Deferral Notice for Cisco IOS Release 12.1(1)T
The following caveat has caused all images in the Cisco IOS Release 12.1(1)T to be deferred:
CSCdp99255
RM7000 may skip instructions during installation. Please refer to the “Closed and Resolved
Caveats for Release 12.1(1a)T1” section on page 47 for more caveat information.
If you already have this image in your network, please replace it with images from the Cisco IOS
Release 12.1(1a)T1 release, currently available on CCO.
Minimum 64 MB of DRAM is Required
The Cisco uBR7200 Series Universal Broadband Router must have a minimum of 64 MB of DRAM to
run all Cisco IOS Release 12.1(5)T images.
Last Maintenance Release of Cisco IOS Release 12.1 T
The last maintenance release of the 12.1 T release train is 12.1(5)T. The migration path for customers
who need bug fixes for the 12.1 T features is the 12.2 mainline release. The 12.2 mainline release has
the complete feature content of 12.1 T and will eventually reach general deployment (GD).