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

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)

 

 

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