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Ethernet Frame Rates
44 Megabit Modem 310F and 320F User Manual
ETHERNET FRAME RATES
The following sections show Ethernet maximum frame transmission rates, dependent on the
additional bit and bit stuffing set for the xDSL transmission.
Minimum xDSL Bit Stuffing, One Additional Bit
The values in the table below show the frames per second for the maximum xDSL rate.
Ethernet
Data rate 10 Mbps
Preamble 8 bytes
CRC 4 bytes
Interframe gap 9.60E-06 s
xDSL
Flags 1 byte
FCS 2 bytes
Protocol 2 bytes
Overhead/Frame 5 bytes
Additional bits 1 bit
Bit stuffing min (min/max)
Frame Size
(da:sa:lt:data:crc
)
[bytes]
xDSL Data Rate
7040
kbps
6400
kbps
3200
kbps
1536
kbps
896 kbps 768 kbps 384 kbps 64 kbps
64 13,512.5 12,284.1 6,142.0 2,948.2 1,719.8 1,474.1 737.0 122.8
128 6,815.1 6,195.5 3,097.8 1,486.9 867.4 743.5 371.7 62.0
512 1,715.0 1,559.1 779.5 374.2 218.3 187.1 93.5 15.6
1024 858.4 780.4 390.2 187.3 109.3 93.6 46.8 7.8
1518 579.3 526.6 263.3 126.4 73.7 63.2 31.6 5.3