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DSI SS7HD Network Interface Boards Programmer's Manual Issue 11

109

4.6.2 LIU_MSG_R_STATS - LIU Read Statistics Request

Synopsis

Message used to read back performance statistics associated with an LIU.

Format

MESSAGE HEADER

Field Name

Meaning

type

LIU_MSG_R_STATS (0x5e36)

liu_id (in the range 0 to one less than the number of LIUs)

src

Sending module ID

dst

MVD_module_ID

rsp_req

Used to request a confirmation.

hclass

status

0 to read statistics

1 to read statistics and reset counters

err_info

len

PARAMETER AREA

Offset

Size

Name

version

Reserved. Must be set to 0.

duration

bit_errors

code_violations

frame_slips

oos_transitions

errored_seconds

severely_errored_seconds

prbs_status

prbs_error_count

prbs_bit_count

Description

This message is used to read the performance statistics associated with a Line

Interface Unit (LIU). The module that wishes to read the statistics must allocate a

message with the correct space in the parameter area, initialize the version field in the

parameter area as shown and send the message requesting a confirmation. All other

fields in the parameter area should be set to zero.

The confirmation message will contain all the statistics written into the parameter field

of the message (unless an error occurred, in which case the status field of the message

will be non-zero).

The statistics can either be read and left unchanged or read and reset in a single

operation depending on the setting of the status field in the request message.

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