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EtherHub 1500 System User’s Guide
B-2 Pin Assignments
DB9 Serial Port to RJ-45 Converter Connector Pin Assignment
Description RJ-45 Pin
Mapping
EH1502s DB9
Connector
DTR (Data Terminal Ready) 1 4
RxD (Received Data) 2 2
TxD (Transmitted Data) 3 3
SG (Signal Ground) 4 5
RI (Ring Indicator) 5 9
CTS (Clear-to-Send) 6 8
RTS (Request-to-Send) 7 7
DCD (Data Carrier Detected) 8 1
DSR (Data Set Ready) NC 6
DB9 PC’s COM Port to RJ-45 Converter Connector Pin Assignment
Description RJ-45 Pin
Mapping
EH1502s DB9
Connector
DTR (Data Terminal Ready) 1 6
RxD (Received Data) 2 3
TxD (Transmitted Data) 3 2
SG (Signal Ground) 4 5
RI (Ring Indicator) 5 9
CTS (Clear-to-Send) 6 7
RTS (Request-to-Send) 7 8
DCD (Data Carrier Detected) 8 1
DSR (Data Set Ready) NC 4