Reference Manual Instruction Manual

Publication 9220-052C-EN-P - August 2002
Display Information 5-5
In case of a UCMM Service, a third line is added and interprets the first
byte of the LPacket data, which contains the UCMM command code.
See the Interpreted data format, page 5-4, Frame # 1, for an example.
See the following table for UCMM commands and their descriptions.
Lpacket Header for a Generic Tag:
The LPacket Header for a generic tag is composed of: Size + Control
bits + Connection ID (CID). The CID is composed of a Consumer or
Producer MAC ID plus a Connection Number.
See the ControlNet International Specification for more information on
service numbers and commands. The ControlNet International
Specification can be purchased from ControlNet International.
Fixed Tag Service Description
0x87 Reserved
0x88 Keeper UCMM
0x89 – 0x8B Reserved
0x8C – 0x8F Time distribution
0x90 Debug
0x91 – 0xAF Reserved
0xD0 – 0xEF Group addresses
0xF0 – 0xFF Vendor specific
Command Description
0 Reserved
0x01 Acknowledge a request
0x02 Request with retry until acknowledged
0x03 Response with retry until acknowledged
0x04 Request with no acknowledge and no response
0x05 Acknowledge a response
0x06 Response which will not retry (no acknowledge)
0x07 Request with retry until response (no acknowledge)
0x08 Request which will not retry and will cause a code 6 response
0x09-0xFF Reserved