Network Card User Manual
Table Of Contents
- Dialogic® DSI SS7MD Network Interface Board Programmer's Manual
- Contents
- Chapter 1: Introduction
- Chapter 2: Specification
- Chapter 3: Installation
- Chapter 4: Dialogic® DSI SS7MD Board Configuration and Operation
- 4.1 Regulatory and Geographic Considerations
- 4.2 System Structure
- 4.3 Running Host Binaries With Dialogic® DSI SS7MD Board
- 4.4 System Configuration
- 4.5 Protocol Configuration
- 4.6 Monitoring
- 4.7 ATM Monitoring
- 4.8 Switching Timeslots between LIUs
- 4.9 Received Message Timestamping
- 4.10 High Speed Link Operation
- 4.11 Operation of the Thermal Sensor
- Chapter 5: Program Execution
- Chapter 6: Message Reference
- Chapter 7: Configuration Command Reference
- 7.1 Physical Interface Configuration Commands
- 7.2 Monitor Configuration Commands
- 7.3 MTP Configuration Commands
- 7.4 ATM Configuration Commands
- 7.5 ISUP Configuration Commands
- 7.6 TUP Configuration Commands
- 7.7 SCCP Configuration Commands
- 7.8 DTC Configuration Commands
- 7.9 TCAP Configuration Commands
- 7.10 MAP Configuration Commands
- 7.11 INAP Configuration Commands
- 7.12 IS41 Configuration Commands
- Chapter 8: Host Utilities
- Appendix A: Protocol Configuration Using Discrete Messages
- Appendix B: Thermal guidelines for selecting suitable servers for use with a Dialogic® DSI SS7MDL4 Network Interface Board
- Glossary
- Index

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DSI SS7MD Programmer’s Manual Issue 3
6.8 Status Request Messages
Status request messages can be used to poll the status of modules or systems running on the board.
The messages in the status request category include:
• LIU_MSG_R_STATE - LIU Read State Request
• LIU_MSG_R_STATS - LIU Read Statistics Request
• MGT_MSG_R_BRDINFO - Read Board Info Request
• DVR_MSG_R_L1_STATS - Link Statistics Request
6.8.1 LIU_MSG_R_STATE – LIU Read State Request
Synopsis
Message sent by the application to read the current state of a Line Interface Unit (LIU).
Format
Description
This message is sent to the board to read the current operating state of a Line Interface Unite (LIU). The
user should always request a confirmation message. The confirmation message indicates success with a
status value of 0 and contains the current LIU state information in the parameter area of the message.
Parameters
The LIU_MSG_R_STATE message includes the following parameter:
• state
The current state of the LIU. The following table shows the returned permitted values and their
meanings.
MESSAGE HEADER
Field Name Meaning
type LIU_MSG_R_STATE (0x5e39)
id 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 0
status 0
err_info 0
len 1
PARAMETER AREA
Offset Size Name
1 1 state
Value Description
0OK
1 PCM Loss
2AIS
3 Sync Loss
4Remote Alarm