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D-2 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
■ “Connection Diagram for Serial Cable” on page D-4
D.1 Serial Port
TABLE D-1 Serial Port
Setting Pin No Signal Name Input/Output Description
1 RTS Output Request to Send
2 DTR Output Data Terminal
Ready
3 TXD Output Send Data
4GND --- Ground
5GND --- Ground
6 RXD Input Receive Data
7 DSR Input Data Set Ready
8CTS Input Clear to Send
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