CHAPTER 7: Operation
53
**CAUTION**
The Remote Reset Breaks All LU Activity
in a Non-Recoverable Way.
Are you CERTAIN that you want to
Reset the Controller (YES OR NO)?
CR - Options Menu
These counters have the following meanings:
• CRC Errors —
Cyclic Redundancy Check errors. This is the total number of blocks with errors that
have been received from the host.
SNA SDLC Counters for Port 0
SEND
RECEIVE
CRC Errors
N/A
1
Retransmissions
0
N/A
SNRMs
N/A
1
Frame Counters
I Frames
666
1667
U Frames
2
2
Total
668
1669
•
Retransmissions —
This is the total number of blocks resent to the host.
•
SNRMs —
Set Normal Response Mode commands. This is the number of SNRMs received by the
LinkUp 5294.
•
I-Frames —
Information Frames. This is the number of data frames sent and received.
•
U-Frames —
Unnumbered Frames. This is the number of unnumbered frames, such as SNRM, XID
and DISC commands, sent and received.
•
Total —
The total number of I-Frames and U-Frames.
Values for the first 5 items are displayed as decimal numbers between 0 and 65535. The last item (Total)
is counted to 131070. If these maximum displayable values are reached, the counters are not
automatically reset.
All counts are reset to zero when the LinkUp is turned off, or when Remote Reset is issued. These counts
are not affected by a host-generate REQMS with Reset request.
The following keys are active during this operation.
<R>
resets the counters. (This does not reset RECFMS totals.)
<D>
is used to refresh the display.
<Enter>
is used to return to System Management Mode menu.
•
Set Date/Time (Option 26) —
Current date: yy/mm/dd; Current time: hh:mm:ss; Clock correct?
(y/n):
