Iei-integration ICE-DB-9S Bedienungsanleitung PDF herunterladen (Seite 85)

ICE Module

Page 72

4.11.2 Giga LAN Connector

IEI uses the RJ-45 connector including the transformer.

R230 0_4

R231 220_4

GBE0_MDI1+3

IO_GND

R232 0_4

C187

0.1U_4_Y_16V

R233 0_4

GREEN

YELLOW

LAN_USB1A LJ-G40BU1-10

CT1

MD 3-

MD 2+

MD 2-

LEFT-P

P14

LEFT-N

P13

RIGHT-P

P12

RIGHT-N

P11

MD 3+

GND

P10

MD 0+

MD 0-

MD 1-

MD 1+

FG1

FG2

PG3

FG4

FG5

FG6

FG7

FG8

GBE0_LINK# 3

+V1.8_LAN

GBE0_MDI2-3

GBE0_MDI2+3

GBE0_MDI0-3

GBE0_MDI0+3

GBE0_MDI1-3

GBE0_MDI3-3

GBE0_MDI3+3

+V3.3_DUAL

GBE0_LINK1000# 3

R229 220_4

RN28

330_8P4R04

GBE0_ACT# 3

GBE0_LINK100# 3

Figure 4-33: Giga Lan Connection Exampel (including Transformer)

4.11.3 LAN Link Activity and Speed LED

The COM Express module has four 3.3V open drain outputs to directly drive activity,

speed indication and link status LEDs. The 3.3V standby voltage should be used as

LED supply voltage so that the link activity can be viewed during system standby state.

Since LEDs are likely to be integrated into a RJ-45 connector with integrated

magnetics module, the LED traces need to be routed away from potential sources of

EMI noise.

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