For Models 270 and 820, FI00182 indicates that the local optical link card is the failing item. For Models 830, 840, SB2, and SB3, FI00182 indicates that the SPD optical bus driver is the failing item.
If the fifth character of word 5 (xxxx xxxx) is 1, 5, 9, or D-2686 (266 MB/s)
If the fifth character of word 5 (xxxx xxxx) is 3, 7, B, or F-2688 (1062 MB/s)