Com port headers (com2/com3/com4/com5/com6) – Avalue EAX-Q77 User Manual

Page 27

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EAX-Q77

User’s Manual

EAX-Q77

User’s Manual

27

2.6.5

COM Port Headers (COM2/COM3/COM4/COM5/COM6)

COM2

Signal

PIN PIN

Signal

NDCD2-

1

2

NRXD2-

NTXD2-

3

4

NDTR2-

GND

5

6

NDSR2-

NRTS2-

7

8

NCTS2-

RI2-/5V/12V

9

10

NC

COM3

Signal

PIN PIN

Signal

NDCD3-

1

2

NRXD3-

NTXD3-

3

4

NDTR3-

GND

5

6

NDSR3-

NRTS3-

7

8

NCTS3-

NRI3-

9

10

NC

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