Patton electronic 2120 用户手册

81

DIRECTION

  DCE  STANDARD SETTING

DIRECTION

1 - (FG) Frame Ground

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2 - (TD) Transmit Data

Input

3 - (RD) Receive Data

Output

4 - (RTS) Request to Send

Input

5 - (CTS) Clear to Send

Output

6 - (DSR) Data Set Ready

Output

7 - (SG) Signal Ground

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Input

Data Term. Ready (DTR) - 20

8 - (DCD) Data Carrier Detect

Output

Output

Ring Indicator (RI) - 22

DIRECTION

  DCE  STANDARD SETTING

DIRECTION

Output

Data Set Ready (DSR) - 6

1 - (DCD) Data Carrier Detect

Output

Input

 Request to Send (RTS) - 7

2 - (RD) Receive Data

Output

Output

 Clear to Send (CTS) - 8

3 - (TD) Transmit Data

Input

Output

Ring Indicator (RI) - 9

4 - (DTR) Data Term. Ready

Input

5 - (SG) Signal Ground

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  DCE  STANDARD SETTING

DIRECTION

1 - DSK

Output

2 - DCD

Output

3 - DTR

Input

4 - SG

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5 - RD

Output

6 - TD

Input

7 - CTS

Output

8 - RTS

Input