IDT88K8483 Integrated Device Technology, IDT88K8483 Datasheet - Page 49

• Manufacturer Part Number: IDT88K8483
• Description: Spi-4 Exchange Document Issue 1.0
• Manufacturer: Integrated Device Technology

communications channels like operation administration, maintenance functions etc. The OBC insert, inserts packets into the SPI4 stream via the OBC
insert locker which is 256 bytes and packets from the SPI4 stream can be extracted via the OBC extract locker which is 256 bytes. Both insertion and
extraction can be done on both side of PFP-A.
IDT IDT88K8483
The OBC insert and extract paths are provided on both directions of the packet fragment processor A. They are intended for low bandwidth
The format for PFP insertion is as depicted in the following figure.
physical port
SPI-4
SPI-4
SPI-4 logical port
SPI 4 B
SPI 4 A
OBC insert extract
PRBS
Link IDentification
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Auxiliary
SPI-4 logical port
SPI 4
physical
port
SPI-4
October 20, 2006