Dialogic DSI SS7MD manual Example, ATM Links

Dialogic® DSI SS7MD Programmer’s Manual Issue 3

7.2.1MONITOR_LINK – Configure Link in Monitoring Mode

Synopsis

The MONITOR_LINK command allows the user to configure a signaling link or ATM link to operate in monitoring only mode. The command is differentiated based on the data rate parameter. Received signaling messages are passed directly to a user application without further processing. If an ATM link is specified, multiple MONITOR_LINK commands may reference the same ATM cell stream provided the cell stream VPI- VCI combination is unique.

Note: Often, applications that use MONITOR_LINK also require the line interfaces to operate in high impedance mode. When using DSI SS7MD Boards, high impedance mode can be selected for a particular LIU using the <liu_type> parameter in the LIU_CONFIG command.

Note: The <filter> and <phys_mask> parameters are reserved and should be set to 0.

Syntax

MTP HSL/LSL Links

MONITOR_LINK <link_id> <board_id> <blink> <stream> <timeslot> <user_module> <filter> <flags> <phys_mask> [<data_rate>]

Example

MONITOR_LINK 0 0 0 0 16 0x0d 0 0x0000 0x00 TDM

ATM Links

MONITOR_LINK <link_id> <board_id> <blink> <atm_stream> <vpi-vci> <user_module> <filter> <flags> <phys_mask> [<data_rate>]

Example

MONITOR_LINK 0 0 0 0 8-100 0x0d 0 0x0000 0x00 ATM

Common Parameters

The MONITOR_LINK command includes the following parameters:

•<link_id>

The unique logical identity of the link. It must be in the range 0 to one less than the total number of signaling links supported.

•<user_module>

The module ID of the process that will receive the incoming signaling messages, passed as API_MSG_RX_IND or API_MSG_RX_INDT messages.

•<filter>

For DSI SS7MD Boards, not applicable. Set to 0.

•<flags>

A 32-bit value containing additional run-time options. The bit significance is as follows:

—Bit 0 - Set to 1 to enable timestamping of messages monitored by the board for this link. The monitored messages are received in the API_MSG_RX_INDT message type to accommodate the timestamp as well as the received message.

—Bit 1 - Enable Fill In Signal Units (FISUs) monitoring.

—Bit 10 - Set to the same value as in the MTP_LINK command.

—Bit 11 - Set to the same value as in the MTP_LINK command.

—Bit 12 - Set to the same value as in the MTP_LINK command.

—All other bits are reserved for future use and should be set to 0.

•<phys_mask>

For DSI SS7MD Boards, not applicable. Set to 0.

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