Lucent Technologies WaveLAN/EC-S, Руководство пользователя

Страница: 99 / 150

The Built-in Configurator
Set the Serial Parameters
WaveLAN/EC-S User’s Guide 4-33
described on the previous pages, the i/o control signals distinguish
incoming and outgoing signals.
Parameter Description
■
rts
■
dtr
The rts and dtr signals control the incoming data flow.
Valid values are:
■
none (=default)
■
passthrough
If set to “none” the WaveLAN/EC-S will ignore these
digital signal inputs.
When set to “passthrough”, the status of these lines will
be forwarded to the WaveLAN/EC-S unit as indicated in
the “socket” parameter (described below).
■
cts
■
dsr
The cts and dsr are output lines. Valid values are:
■
assert (=default)
■
negate
■
sleep
■
passthrough
When set to “assert” or “negate”, they will output a
continuous digital value.
■
“negate” outputs a logic 1, or “mark”, which is
electrically negative. This is also the state seen on an
RS-232 connector when the cable is unplugged.
■
“assert” outputs a logic 0, or “space”, which is
electrically positive.
When set to “passthrough”, CTS will output the value that
the remote WaveLAN/EC-S is receiving on its RTS line,
and DSR will output the remote DTR value. The source of
these remote signals depends on the “socket” setting of
the remote WaveLAN/EC-S.