Filter
Top Products
Appendix A Background and Reference 51
Further details about the diagnostic use of LEDs are discussed separately in the Sun
Fire V440 Server Diagnostics and Troubleshooting Guide.
Serial Port Connector
Accessible from the back panel of the Sun Fire V440 server is a DB-9 connector
labeled ttyb that serves as a single, general-purpose serial port.
Serial Port Connector Diagram
Serial Port Connector Signals
Pin Signal Description Pin Signal Description
1 Data Carrier Detect 6 Data Set Ready
2 Receive Data 7 Request to Send
3 Transmit Data 8 Clear to Send
4 Data Terminal Ready 9 Ring Indicate
5 Ground
SERIAL
12345
6 7 8 9