SB5101 Cable Modem Overview
MOTOROLA BCS CONFIDENTIAL Page 34 of 34
Motorola has shipped over 20 million modems since 1996 and has monitored the actual in service
failure rate over that time. The results are summarised below:
• SB2100
– After 12 months and more than 93k units shipped, the SB2100 has an AFFR of
<.97%, and an actual MTBF of 95 years
• SB3100
– After 24 months and more than 1.6M units shipped, the SB3100 has an AFFR
of <.5%, and an actual MTBF of 225 years
• SB4100
– After 20 months and more than 3.4M units shipped, the SB4100 product has
an AFFR of <.19%, and an actual MTBF of 514 years
• SB4200
– After 12 months and more than 4M units shipped, the SB4200 product had an
AFFR of <.08%, and an actual MTBF of 525 years
• SB5100
– After 6 months and more than 3M units shipped, the SB5100 product has an
AFFR of <.005%, and an actual MTBF of over 525 years
11 Reference Material
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