Specifications

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LICENSED MATERIAL - PROPERTY OF FUJITSU SOFTWARE TECHNOLOGY CORPORATION

TxCrcErr Transmission of CRC

errors.

Switch-wide, the amount of transmitted CRC errors usu-

ally equals the amount of received CRC errors. If the

switch (that is, the sum of all ports) has transmitted more

CRC errors than it has received, the module or switch may

have an internal problem. To find out whether the module

is causing the problem, isolate the problem to a port, then

to the module. To find out whether the switch has an inter-

nal problem, check for the following conditions:

• Voltage problems or noise on A/C power.

• Non-optimum temperature (see the fans).

If the switch has an internal problem, contact an authorized

service representative.

TxFIFOUnderRun Transmission of less data

than FIFO expected.

Contact an authorized service representative if FIFO errors

occur. Any FIFO problem must be attended to immedi-

ately. Internal adjustment will be necessary to correct this

indication.

TxLinkResets Transmission of N_Port

LR primitives.

A switch has sent N_Port LR primitives to the connected

device(s), indicating that protocol errors are occurring.

This is a Switch to device peer level indicating some type

of recovery needed. If frequent resets occur, then a possi-

ble credit mismatch may be the cause. Link failure is also

recorded in message logs, as well as Traps, if set up.

TxMissingDelims Transmitted FIFO data has

a frame that is not prop-

erly delimited by SOF or

EOF.

Missing delimiters in transmitted FIFO data can be caused

by the following conditions:

• Recover event to a very slow or delinquent remote

device (most common).

• Frames being aborted and truncated because they get

stuck during a route recover. (Some route recovers use a

frame Disconnect time-out event that can generate a

missing Tx delimiter.) If this happens frequently, the port

and system performance is affected.

• Internal corruption or faulty firmware (least common).

Port Link Statistics Columns

Port Link

Statistics

Columns

Occurrences being

Counted

Notes