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E1, E2, E3, E4

E(n) Quick Overview
Some Electrical Characteristics for En
CablingCoaxial or one symmetrical pair (4 wires) for each direction
MarkBalanced: 3.0 Vdc
Unbalanced: 2.37 Vdc
SpaceBalanced: 0 Vdc +/- 0.237 Vdc
Unbalanced: 0 Vdc +/- 0.3 Vdc
Pulse width488 nsec
EncodingAMI or High Density Bipolar of order 3 (HDB3)
Speed2048 kbps +/- 50 ppm

Speeds

Signal Speed Channels
E-0 64 kbps 1x E-0
E-1 2.048 Mbps 32x E-0
E-2 8.45 Mbps 128x E-0
E-3 34 Mbps 16x E-1
E-4 144 Mbps 64x E-1
E-5    

Pinning Specifications

RJ45BNC
MaleFemaleMaleFemaleSide
RJ45 Male RJ45 Female BNC Male BNC Female BNC Side
SignalRJ45 DescriptionDTE RJ45BNC DescriptionDTE BNC
RxAReceive Input Negative1Receive InputTip
RxBReceive Input Positive2Receive GroundRing
TxATransmit Output Negative4Transmit OutputTip
TxBTransmit Output Positive5Transmit GroundRing
S1Transmit Ground3  
S2Receive Ground6  
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