GW Instek SFG-830 User Manual - Manual (Page 48)

SFG-830 p.45
This wiring configuration is used for computers with DB-9-D connectors configured as
Data Terminal Equipment.
EQUIPMENT COMPUTER
(DB25,DTE) (DB9,DTE)
Pin2 Pin2
Pin3 Pin3
Pin7 Pin5
Equipment
(DB9, DTE)
Computer
(DB9, DTE)
Pin2
Pin3
Pin2
Pin3
Pin5 Pin5
Figure 4: DB25 to DB9 / DB9 to DB9 Wiring Configuration