SerDes Data Mapping for GTM - 3.2 English

40G/50G High Speed Ethernet Subsystem Product Guide (PG211)
Document ID
PG211
Release Date
2021-10-27
Version
3.2 English
Figure 1. 50GAUI1 with GTM Integrated Hard RS-FEC
Figure 2. LAUI2 with Soft RS-FEC
Figure 3. LAUI2 without Soft RS-FEC
Table 1. Supported 40G/50G - GTM Configurations
Protocol Lane Width Line Rate Encoding SerDes Width
50GAUI-1 1 x1 53.125 Gb/s PAM4 160b
LAUI-2 with soft RSFEC x2 25.78125 Gb/s NRZ 64b
LAUI-2 without RSFEC x2 25.78125 Gb/s NRZ 64b
XLAUI-1 2 x4 10.3125 Gb/s NRZ 64b
50GAUI-2 with soft RSFEC x2 26.5625 Gb/s NRZ 64b
  1. Two core options are also available, using two lanes of a single GTM Dual.
  2. XLAUI-1 uses two GTM duals.