Pin Configurations - Patton electronics 2120 User Manual

DIRECTION
Input Data Term. Ready (DTR) - 20
Output Ring Indicator (RI) - 22
DIRECTION
Output Data Set Ready (DSR) - 6
Input Request to Send (RTS) - 7
Output Clear to Send (CTS) - 8
Output Ring Indicator (RI) - 9
APPENDIX C

PIN CONFIGURATIONS

EIA - 232
DCE STANDARD SETTING
EIA - 574
DCE STANDARD SETTING
EIA - 561
DCE STANDARD SETTING
1 - DSK
2 - DCD
3 - DTR
4 - SG
5 - RD
6 - TD
7 - CTS
8 - RTS
81
1 - (FG) Frame Ground
2 - (TD) Transmit Data
3 - (RD) Receive Data
4 - (RTS) Request to Send
5 - (CTS) Clear to Send
6 - (DSR) Data Set Ready
7 - (SG) Signal Ground
8 - (DCD) Data Carrier Detect
1 - (DCD) Data Carrier Detect
2 - (RD) Receive Data
3 - (TD) Transmit Data
4 - (DTR) Data Term. Ready
5 - (SG) Signal Ground
DIRECTION
Output
Output
Input
------
Output
Input
Output
Input
DIRECTION
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Input
Output
Input
Output
Output
------
Output
DIRECTION
Output
Output
Input
Input
------