Series 2
From TiVoDatabase
The Series 2 line of TiVos lasted from 2001 - 2006, first starting with special units made for AT&T broadband's cable service, and ending with the Series 2 DT, which was manufactured from 2006 - 2010.
AT&T Broadband Series 2 TCD130040
AT&T Broadband Series 2 TCD230040
TiVo Series 2TCD140060
TiVo Series 2 TCD240
TiVo Series 2 TCD540
TiVo Series 2 TCD542080
TiVo Series 2 DT TCD649
Series 2 DirecTV