0x002F V5 Statistics Query

This ICB subtype is sent from the host using PPL Event Request message for Envelope Layer, LAPV, PSTN, BCC, Control Protocol, Protection Protocol, Link Protocol, and System Management Statistics. The Statistics return to the host in a PPL Event Indication message. After receiving V5 Statistics Query from the host, L3P Layer Manager sends a Positive Acknowledgment back to the host, indicating that L3P Layer Manager received the request.

Used in:
PPL Event Request message

ICB Type	0x03 (Extended Data)
ICB ID Data[1, 2]	0x002F
Data Length Data[3, 4]	(0x00, 0x04), (2 Bytes)
Data[5]	Query Type (0x01, 0x02)
Data[6]	Query Subtype (0x00 - 0x09)
Data[7]	Type (0x00 - 0x07)
Data[8, 9]	C Channel No. or Port No. (MSB, LSB)

PPL Event Indication message

Query Types

0x01 V5 Statistics and zero statistics counters
0x02 V5 Statistics and don’t zero statistics counters

Query Subtypes

0x00 All Protocol Statistics
0x01 V5.2 ENVELOPE Layer Statistics
0x02 V5.2 LAPV Statistics
0x03 V5.2 PSTN Statistics
0x04 V5.2 CONTROL Protocol Statistics
0x05 V5.2 BCC Protocol Statistics
0x06 V5.2 LINK Protocol Statistics
0x07 V5.2 PROTECTION Protocol Data Link Statistics
0x08 V5.2 PROTECTION Protocol Interface Statistics
0x09 V5.2 SYSTEM MANAGEMENT Statistics

Type

0x00 No Type
The following types are valid for V5.2 LAPV Statistics:
0x01 PSTN Data Link
0x02 BCC Data Link
0x03 CONTROL Data Link
0x04 LINK
0x05 PRIMARY PROTECTION Data Link
0x06 SECONDARY PROTECTION Data Link

C Channel Number

Valid for V5.2 ENVELOPE Layer Statistics and V5.2 PROTECTION Protocol Statistics:
0x00 Primary C Channel
0x01 Secondary C Channel

Port Number

User port number, and is valid for V5.2 SYSTEM MANAGEMENT Statistics.