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APPENDIX B: SERIAL PORT PIN-OUT DIAGRAMS 61
Appendix B: Serial Port Pin-Out Diagrams
In order to provide maximum port density and to enable simple UTP (Category 5) cabling, the serial parts found on
Dominion KSX via compact RJ45 ports. However, no widely adopted industry-standard exists for sending serial
data over RJ45 connections. For your reference, the serial pin-out employed by Dominion KSX is provided below.
Dominion KSX RJ45 Serial Pin-Out
RJ45 (FEMALE) FUNCTION
1
RTS
2
DTR
3
TXD
4
GND
5
SG
6
RXD
7
DSR
8
CTS
SCSDB25F Nulling Serial Adapter Pin-Out
RJ45 (FEMALE) DB25 (FEMALE)
1 5
2 6, 8
3 3
4 1
5 7
6 2
7 20
8 4
SCSDB25M Nulling Serial Adapter Pin-Out
RJ45 (FEMALE) DB25 (MALE)
1 5
2 6, 8
3 3
4 1
5 7
6 2
7 20
8 4