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

76
6 Message Reference
• seconds_fraction
Binary fractions of a second.
6.4.4 API_MSG_TX_REQ – MTP2 Transmission Request
Synopsis
Message issued to the board by MTP3, containing an SS7 Message Signal Unit (MSU) for transmission on the
specified link.
Format
Description
Message issued to the board by MTP3 containing an SS7 Message Signal Unit (MSU) for transmission on the
specified link.
Parameters
The API_MSG_TX_REQ message includes the following parameters:
• Signaling Unit Data
The Signaling Unit data in binary format, excluding the Flags and Checksum, commencing with the SIO.
MESSAGE HEADER
FIELD NAME MEANING
type API_MSG_TX_REQ (0xcf00)
id l2_llid
src Sending module ID
dst MTP2 module ID
rsp_req Sending layers bit set if response is required.
hclass 0
status 0
err_info 0
len Number of octets in the Signaling Unit.
PARAMETER AREA
OFFSET SIZE NAME
0 len Signaling Unit (SU) data in binary format commencing with the SIO.