DCE and DTE?
When should either a male or female DB-9 connector be used on a
serial connection? I know serial devices can be classified as either
DCE or DTE, and I believe that determines whether you use the
male or female version.
So for example, how does someone decide that a GPS reciever
should be DCE or
DTE?
I want to standardize the GPS connectors to my flight computers,
and I want to do this the smart way (in a way that I assume is
already the standard).
I don't have a Garmin Etrex GPS receiver to look at, but I believe
it's connector is a female DB-9. Is this a standard for other GPS
recievers and how did someone determine this should be the
correct connector??
Paul
serial connection? I know serial devices can be classified as either
DCE or DTE, and I believe that determines whether you use the
male or female version.
So for example, how does someone decide that a GPS reciever
should be DCE or
DTE?
I want to standardize the GPS connectors to my flight computers,
and I want to do this the smart way (in a way that I assume is
already the standard).
I don't have a Garmin Etrex GPS receiver to look at, but I believe
it's connector is a female DB-9. Is this a standard for other GPS
recievers and how did someone determine this should be the
correct connector??
Paul
Comments
Normally DTE (Data Terminal Equipment) refers to a PC (personal computer) type
of device. On both 25 Pin and 9
Pin these connectors are male.
Normally DCE (Data Communications Equipment) refers to a modem type of device.
On both 25 Pin and 9 Pin these
connectors are female.
Hope this helps.
Jim
verhap@o... wrote:
> When should either a male or female DB-9 connector be used on a serial
connection? I know serial devices can be
> classified as either DCE or DTE, and I believe that determines whether you use
the male or female version.
>
> So for example, how does someone decide that a GPS reciever
> should be DCE or DTE?
>
> I want to standardize the GPS connectors to my flight computers, and I want to
do this the smart way (in a way
> that I assume is already the standard).
>
> I don't have a Garmin Etrex GPS receiver to look at, but I believe it's
connector is a female DB-9. Is this a
> standard for other GPS recievers and how did someone determine this should be
the correct connector??
>
> Paul
>
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