Welltech SPCI2S Intel NetStructure SS7 Boards Uživatelský manuál stáhnout pdf (Strana 90)

SS7 Programmer’s Manual for SPCI2, SPCI4 and CPM8 Issue 2 Page 90

5.5.8 MTP3 Q.791 Event Indication

Synopsis:

Message issued by MTP3 to notify management of various protocol events in

accordance with CCITT Q.791.

Message Format:

MESSAGE HEADER

FIELD NAME MEANING

type MGT_MSG_MTP_EVENT (0x0301)

src

MTP3 module id

dst

Management module id

rsp_req

hclass

status

EVENT CODE (see below)

err_info

Timestamp

len

Either 0, 1, 2 or 4

PARAMETER AREA

OFFSET SIZE NAME

0 len Event specific parameters

The EVENT_CODE coding and the meaning of the event specific parameters are

given in the following table:

link is indicated as (linkset_id * 256) + link_ref, (size = 2).

linkset is indicated as linkset_id, (size = 1).

point code is a 4 byte value, (size = 4).

Value Mnemonic Parameter Description

1 MTPEV_CO link Changeover

2 MTPEV_CB link Changeback

3 MTPEV_REST link Restoration commenced

4 MTPEV_RPO link Remote processor outage

5 MTPEV_RPO_CLR link Remote processor outage cleared

6 MTPEV_CONG link Signalling link congestion

7 MTPEV_CONG_CLR link Congestion cleared

8 MTPEV_CONG_DIS link MSU discarded due to congestion

9 MTPEV_LS_LOST linkset Link set failure

10 MTPEV_LS_OK linkset Link set recovered

13 MTPEV_DEST_LOST point code Destination unavailable

14 MTPEV_DEST_OK point code Destination available

15 MTPEV_AJSP_LOST linkset Adjacent SP inaccessible

16 MTPEV_AJSP_OK linkset Adjacent SP accessible.

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 106 107

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