AMI 420 - Table A-7 EIA-530 Device-To-Model 420 Connections for RS-422 Operation

Rev. 7 113
Appendix
RS-232/422 Connector
Table A-7. EIA-530 Device-to-Model 420 connections for RS-422 operation.
EIA-530 Device (DTE)
DB-25 Pin
Model 420 (DCE)
DB-25 Pin
DTE
Function
221
TX
−
316
RX
−
412
RTS
−
513
CTS
−
611
DSR
−
77GND
814
DCD
−
10 8
DCD+
13 5 CTS+
14 2 TX+
16 3 RX+
19 4 RTS+
20 15
DTR
−
22 6 DSR+
23 20 DTR+