WAN Speeds Comprehensive

Speed of DS0

64 kbps

Speed of DS1

1.544 Mbps

Composition of DS1

24 DS0s + 8 kbps overhead

Speed of DS3

44.736 Mbps

Composition of DS3

28 DS1s + management overhead

Speed of E1

2.048 Mbps

Composition of E1

32 DS0s

Speed of E3

34.064 Mbps

Composition of E3

16 E1s + management overhead

Speed of J1

2.048 Mbps

J1 is also known as ___

Y1

Composition of Y1

32 DS0s (Japanese standard)

Composition of J1

32n DS0s (Japanese standard)