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hardware guide - wpj419

Last Updated: 13/05/2022

Copyright © Compex Systems. All rights reserved. COMPEX and the COMPEX logo, are registered trademarks of Compex Systems.

While every effort is made to ensure the information is accurate, 

Compex does not accept liability for any errors or mistakes that may arise. All specifications are subject to change without notice.

Compex Systems Pte Ltd | www.compex.com.sg | (+65) 6288 8220 | [email protected] | Last Updated: 13/05/2022 SL, LL

Power Requirements

Power Over Ethernet

1x 802.3af/at PoE, IEEE 802.3af/at (48-56v) for 

Daughter Board

DC Jack Connector

12V for main board

Power Consumption

12W (Max)

SIM Slot Pin Assignment

SIM Slot Pin

SIM Signal

1

VCC

VCC

2

RST

SIM_RST

3

CLK

SIM_CLK

4

CD

SIM_CARD_IN

5

GND

GND

6

VPP

VPP

7

I/O

SIM_DATA

LED Indicators

SD Card Socket Pin Assignment

SD card socket

1

SD_DAT2

2

SD_CD/DAT3

3

SD_CMD

4

SD_VDD

5

SD_CLK

6

SD_VSS/GND

7

SD_DAT0

8

SD_DAT1

9

SD_CD

10/11

Cover_GND/SD_GND

JTAG Interface

JTAG Interface

Pin

Signal

Pin

Signal

1

3.3V

2

3.3V

3

JTAG_TRST_N

4

NC

5

JTAG_TDI

6

GND

7

JTAG_TMS

8

GND

9

JTAG_TCK

10

GND

11

NC

12

NC

13

JTAG_TDO

14

GND

15

JTAG_RST_N

16

NC

17

GND

18

GND

19

GND

20

GND

Serial 4-Pin Connector Pin Assignment

Pin

Signal

1

VCC – 3.3V

2

UART Transmit Data

3

UART Receive Data

4

GND

Serial 6-Pin Connector Pin Assignment

Pin

Signal

1

VCC – 3.3V

2

UART1_RTS

3

UART1_TXD

4

UART1_RXD

5

UART1_CTS

6

GND

USB 2.0 Port Pin Assignment

Pin

Signal

1

VDD

2

USB2_D_M

3

USB2_D_P

4

GND

5

GND

6

GND

LED Indicators

DS5

POWER

DS11

Ethernet1

DS10

Ethernet0

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