Motorola MCPN750A 8. TM-PIMC-0001 Serial Ports 3 and, COM3 and COM4 Asynchronous Serial Ports

Models: IH5 MCPN750A

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The signals for COM3 and COM4 serial ports are routed to 10-pin headers on the TM-PIMC-0001 Transition Module (J12 and J13). These headers function as I/O connectors for the MCPN750A and are permanently configured as DTE. Figure 1-8 depicts this configuration.

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Hardware Preparation and Installation

COM3 and COM4 Asynchronous Serial Ports

The signals for COM3 and COM4 serial ports are routed to 10-pin headers on the TM-PIMC-0001 Transition Module (J12 and J13). These headers function as I/O connectors for the MCPN750A and are permanently configured as DTE. Figure 1-8 depicts this configuration.

MCPN750A

TM-PIMC-0001

 

16C550

 

J12

 

 

SOUT

 

5

SIN

 

3

RTS

 

4

CTS

 

6

DTR

 

7

DCD

 

1

DSR

J3

2

RI

 

8

IO

IO

9

MUX

MUX

 

16C550

 

J13

RI

 

8

DSR

 

2

DCD

 

1

DTR

 

7

CTS

 

6

RTS

 

4

SIN

 

3

SOUT

 

5

 

 

9

Figure 1-8. TM-PIMC-0001 Serial Ports 3 and 4

 

Com3

Header

Com4

Header

2363 0001

1-20

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Motorola MCPN750A, IH5 manual 8. TM-PIMC-0001 Serial Ports 3 and, COM3 and COM4 Asynchronous Serial Ports