Protocol analysis
R&S
®
RTP
661User Manual 1337.9952.02 ─ 12
●
Adopts Pulse Amplitude Modulation (PAM-3) encoding scheme with the following
encoding techniques:
– PAM-3 is transmitted at 750 MB data rate.
– It uses 15-bit scrambler to improve the EMC performance.
– Data is encoded in 80B/81B blocks.
– 396 bits of Reed-Solomon forward error correction (FEC) parity is added to
each group of 45 80B/81B blocks.
– 9-bit OAM symbol is added, then 396 bits Reed-Solomon. Together, they shape
a PHY frame of 4050 bits, or 450 forward error correction (FEC) symbols of 9
bits. FEC allows for correction of up to 22 FEC symbols per PHY frame.
13.11.2 1000BASE-T1 configuration
13.11.2.1 1000BASE-T1 configuration settings
Access: [Protocol] > "Setup" tab > "Protocol" = 1000BASE-T1
Make sure that the tab of the correct serial bus is selected.
See also: Chapter 13.1.1, "Setup - general settings", on page 512
Ethernet 1000BASE-T1 (option R&S
RTP-K58)
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