HP AD278A Support Manual page 41

Table B-16 RS-232 DB-25 to A6748A/A6749A RJ-45 Converter (continued)
DB-25 10-Pin Plug (AD280A End)
DCD 8
DTR 20
RI 22
RJ-45 10-Pin Jack
Connected to 8
Connected to 3
Connected to 1
Cabling Pin-outs for HP Proprietory RJ45 and DB25 Devices
DCD
DTR
RI
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