Ethernet Frame Rates
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
| Ethernet |
|
|
Data rate | 10 Mbps |
Preamble | 8 bytes |
CRC | 4 bytes |
Interframe gap | |
|
|
| xDSL |
|
|
Flags | 1 byte |
FCS | 2 bytes |
Protocol | 2 bytes |
Overhead/Frame | 5 bytes |
Additional bits | 1 bit |
Bit stuffing | min (min/max) |
|
|
The values in the table below show the frames per second for the maximum xDSL rate.
Frame Size |
|
|
| xDSL Data Rate |
|
|
| ||
(da:sa:lt:data:crc |
|
|
|
|
|
|
|
| |
7040 | 6400 | 3200 | 1536 |
|
|
|
| ||
) | 896 kbps | 768 kbps | 384 kbps | 64 kbps | |||||
[bytes] | kbps | kbps | kbps | 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 | |
|
|
|
|
|
|
|
|
|
44 | Megabit Modem 310F and 320F User Manual |