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Signamax
065-1163 F series RS-232/422/485 to 100BaseFX Media Converter
Appendix B
27
B
A
PPENDIX
B
RS-422/485 4-Wire Definition
Converter
DB9 Female
RS-422/485
Device
PIN 1
PIN 2
?
A (RX+)
PIN 3
?
B (TX+)
PIN 4
PIN 5
PIN 6
PIN 7
?
C (RX-)
PIN 8
?
D (TX-)
PIN 9
RS-485 2-Wire Definition
Converter
DB9 Female
RS-422/485
Device
PIN 1
PIN 2
?
1 (B+)
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
?
2 (A-)
PIN 8
PIN 9