HP AD278A and AD279A PCI Multiplexer Support Guide, November 2008

Table B-16 RS-232 DB-25 to A6748A/A6749A RJ-45 Converter (continued)
RJ-45 10-Pin JackDB-25 10-Pin Plug (AD280A End)
DCD8Connected to8DCD
DTR3Connected to20DTR
RI1Connected to22RI
Cabling Pin-outs for HP Proprietory RJ45 and DB25 Devices 41