IBM i 830 Repair Manual page 275

Reference Description/Action Perform all actions before exchanging
Code Failing Items
6980 Network Interface Controller (NIC) resource failure
The FRU list displayed in the Service Action Log (SAL) may
vary from the failing item list given in this document. Use the
FRU list in the SAL if the SAL is available to you.
NOTE: A fiber optic cleaning kit may be required for optical
HSL connections.
6981 High Speed Link (HSL) I/O bridge failure
The FRU list displayed in the Service Action Log (SAL) may
vary from the failing item list given in this document. Use the
FRU list in the SAL if the SAL is available to you.
If you find either a B600 6982 or B600 6984 SRC logged at
approximately the same time as this SRC then they were
caused by the same failure. If you find a 6982 SRC logged at
approximately the same time then close this problem and
service the 6982 SRC. The failing item listed for this SRC is one
of the failing items listed for B600 6982. If the SAL entry for
this SRC has a location listed then record the location for use in
servicing the 6982 SRC.
NOTE: A fiber optic cleaning kit may be required for optical
HSL connections.
B6xx (including A6xx)
Failing Item Location
SICNTRL
OPT_CLN
SIIOADP
OPT_CLN
Chapter 2. Unit Reference Codes
261