Serial Cable
From LinuxMIPS
This is the way you need to solder your cable.
Crossed Serial Cable Pinout
SGI-Mini-DIN-8 | Sub-D 25 (male) | (female) ---------------------------------------------------------------------- 6 7 8 | 13 12 11 10 9 8 7 6 5 4 3 2 1 3 4 5 | 25 24 23 22 21 20 19 18 17 16 15 14 1 2 | ---------------------------------------------------------------------- DTR - Data Terminal Ready 1 | 6 DSR - Data Set Ready CTS - Clear To Send 2 | 4 RTS TD - Transmit Data 3 | 3 RD SG - Signal Ground 4,8 | 7 SG RD - Receive Data 5 | 2 TD RTS - Request To Send 6 | 5 CTS DCD - Data Carrier Detect 7 | 20 DTR Shield | 1 Protective Ground
Thiemo also said that it might be needed to have a connection between pin 20 and pin 8 on the Sub-D 25 connector to have your terminal do a carrier detect. Both numberings are done looking to the front of the connectors - not the soldering site ! (Note the male / female).