Add new serial pinouts, RJ45, Cyclades term/device server

[luno]

From www dot cyclades dot de/support/cabling_diagrams.php

standard EIA/TIA pin numbering for RJ45 connector (plug contacts up, numbered left-to-right)

1   RTS
2   DTR
3   TxD
4   Gnd
5   CTS
6   RxD
7   DCD
8   DSR