AMT-70/AMT-73/AMT-75 Installation and Operation
RS-422/RS-449
Pin
RS-422/RS-449
Signal
Source RS-530 Pin
P1-4 SD-A DTE P2-2
P1-22 SD-B DTE P2-14
P1-5 ST-A DCE P2-15
P1-23 ST-B DCE P2-12
P1-7 RS-A DTE P2-4
P1-25 RS-B DTE P2-19
P1-9 CS-A DCE P2-5
P1-27 CS-B DCE P2-13
P1-1 Shield P2-1
P1-19 Signal Ground P2-7
P1-13 RR-A DCE P2-8
P1-31 RR-B DCE P2-10
P1-11 DM-A DCE P2-6
P1-29 DM-B DCE P2-22
P1-6 RD-A DCE P2-3
P1-24 RD-B DCE P2-16
P1-8 RT-A DCE P2-17
P1-26 RT-B DCE P2-9
Notes: P1 is a male DB-37 connector
P2 is a male DB-25 connector.
Wire A/B pairs use # 28 AWG twisted pair.
8.3 RS-422/449 to RS-530 Y-Cable
If a Y-type cable is required to go from RS-422/RS-449 to RS-530, use the pin-outs listed in the figure
below.
Figure 47: RS-422/RS-449 to RS-530 Y-Cable Pin-Outs
RS-422/RS-449
Pin
RS-422/RS-449
Signal
Source RS-530 Pin
P1-17 TT-A DTE P2-24
P1-35 TT-B DTE P2-11
P1-4 SD-A DTE P2-2
P1-22 SD-B DTE P2-14
P1-5 ST-A DCE P2-15
P1-23 ST-B DCE P2-12
P1-7 RS-A DTE P2-4
P1-25 RS-B DTE P2-19
P1-9 CS-A DCE P2-5
P1-27 CS-B DCE P2-13
P1-1 Shield P2-1
P1-1 Shield P3-1
P1-19 Signal Ground P2-7
P1-19 Signal P3-7 Ground
P1-13 RR-A DCE P3-8
108
P1-31 RR-B DCE P3-10
P1-11 DM-A DCE P3-6
P1-29 DM-B DCE P3-22
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General