You are here: CSP Developer’s Guide: Common Channel Signaling > 7 SS7 PPL Information > MTP3 LSAC (0x002E)
Purpose
This section includes PPL Config Bytes, all PPL Events, and Timer information for the PPL Component MTP3 LSAC.
MTP3 LSAC Configuration Bytes
Byte |
Description |
Value |
---|---|---|
0x01 |
Craft Alerting (not supported by Japanese variants) |
0x00=Disable (default for ITU) 0x01=Enable (default for ANSI) |
0x02 |
Activation Link Test (cannot be disabled for Japanese variants) |
0x00=Disable 0x01=Enable (default) |
0x03 |
Periodic Link Test (not supported by Japanese variants) |
0x00=Disable 0x01=Enable (default) |
PPL Event Indications Supported by MTP3 LSAC
Event ID |
Event |
---|---|
0x0001 |
Link Activation Failure |
0x0002 |
Signaling link failure. This is an existing PPL Event Indication to which Q.752 Parameters are added (unless operating under backward compatibility). A single ICB of type Q.752 Parameters is included with the following parameters: 0x0000 Timestamp |
0x0003 |
Signaling link test failure. This is an existing PPL Event Indication to which Q.752 Parameters are added (unless operating under backward compatibility). A single ICB of type Q.752 Parameters is included with the following parameters: 0x0000 Timestamp 0x0001 Interval sequence number |
0x0004 |
Signaling link restoration. A single ICB of type Q.752 Parameters is included with the following parameters: 0x0000 Timestamp |
MTP3 LSAC PPL Timers (ANSI)
Timer ID |
Timer |
Default Value (10 ms) |
---|---|---|
0x01 |
T19 |
6000 |
0x02 |
T17 |
100 |
0x03 |
Periodic Link Test Period |
6000 |