You are here: CSP Developer’s Guide: Common Channel Signaling > 7 SS7 PPL Information > MTP2 TXC (0x0026)
Purpose
This section includes PPL Config Bytes and Timer information for the PPL Component MTP2 TXC.
MTP2 TXC Configuration Bytes (ITU/ANSI)
Byte |
Description |
Value |
---|---|---|
0x01 |
LSSU size |
0x01 to 0x02 |
0x02 |
Mode |
0x00=Basic (default) 0x01=PCR 0x02=Japan TTC |
0x03 |
RTB size in SUs |
0x01–0x7F (127) |
0x04-0x05 |
N2 Parameter Value (RTB byte size limit) |
0x0117 –0xFFFF (279–65535) default=0xFFFF |
0x06 |
Additional Interframe Flags |
0x00–0xFF (default=0x00) |
0x07 |
TFISU Pacing Ticks (Japan TTC only) |
0x01–0xFF (default=0x0C (24 ms)) |
0x08 |
TLSSU Pacing Ticks (Japan TTC only) |
0x01–0xFF |
0x0A-0x0B |
Congestion Level 1 Onset Threshold |
3200 octets (default) Value must be less than or equal to the level 2 onset threshold. Value must be greater than the level 1 abate threshold. |
0x0C-0x0D |
Congestion Level 2 Onset Threshold |
4150 octets (default) This value must be less than or equal to the level 3 onset threshold. This value must be greater than the level 2 abate threshold. |
0x0E-0x0F |
Congestion Level 3 Onset Threshold |
5100 octets (default) This value must be less than or equal to the level 4 onset threshold. This value must be greater than the level 3 abate threshold. |
0x10-0x11 |
Congestion Level 4 Onset Threshold |
8000 octets (default) This value must be greater than the level 4 abate threshold. |
0x12-0x13 |
Congestion Level 1 Abate Threshold |
1900 octets (default) This value must be less than the level 1 onset threshold. |
0x14-0x15 |
Congestion Level 2 Abate Threshold |
3500 octets (default) This value must be greater or equal to the level 1 abate threshold. This value must be less than the level 2 onset threshold. |
0x16-0x17 |
Congestion Level 3 Abate Threshold |
4500 octets (default) This value must be greater than or equal to the level 2 abate threshold. This value must be less than the level 3 onset threshold. |
0x18-0x19 |
Congestion Level 4 Abate Threshold |
5500 octets (default) This value must be greater than or equal to the level 3 abate threshold. This value must be less than the level 4 onset threshold. |
MTP2 TXC PPL Timers (ITU/ANSI)
Timer ID |
Timer |
Value |
---|---|---|
0x01 |
T6 |
400 |
0x02 |
T7 |
100 |