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2620A/2625A
Users Manual
F-2
For example, connection to a serial-to-parallel converter (when using a printer with a
parallel input) may be as a DTE (cable RS42) or DCE (cable RS40).
HYDRA
(DTE)
(DB-9/MALE)
RS43
HYDRA
(DTE)
(DB-9/MALE)
PC
(DTE)
(DB-9/MALE)
RS40
HYDRA
(DTE)
(DB-9/MALE)
PC
(DTE)
(DB-25/MALE)
RS41
(MODEM)
HYDRA
(DTE)
(DB-9/MALE)
MODEM
(DCE)
(DB-25/FEMALE)
RS42
HYDRA
(DTE)
(DB-9/MALE)
PRINTER
(DTE)
(DB-25/FEMALE)
RS42
HYDRA
(DTE)
(DB-9/MALE)
SERIAL-TO-PARALLEL
(DTE)
(DB-25/FEMALE)
RS41
(MODEM)
GENERIC
(NULL MODEM)
SERIAL-TO-PARALLEL
(DCE)
(DB-25/FEMALE)
PRINTER
PRINTER
KEY
DTE – DATA TERMINAL EQUIPMENT
DCE – DATA COMMUNICATIONS EQUIPMENT
– MALE
– FEMALE
oo71f.eps
Figure F-1. Summary of RS-232 Connections