Equivalent Circuits For Rxd, Txd, And Handshake Signals - Watkins-Johnson Company WJ-8718A/MFP Instruction Supplement

WJ-8718A/MFP
FIGURE 3-12
TYPICAL OF RTS OR DTR SIGNAL
RECEIVER 2
r--------...,
I JI 232-A3
I
I
I
I
I
I
I
_ _ _ _ _"_J
-Vde
RECEIVER 3
r--------,
IJI 232-A3
I
I
I
I
I
I
_ _ _ _ _ -J
-Vdc "
I
L _
RXD
RX DATA OUT
RECEIVER I
~;- - - - -232-A'3
-1
L-.-_...z-_..:.....;...;.;;....;n....-r
l
~--a
I
I
I
I
I
I
I
_ _ _ _ _ _ J
-Vdc
TXD
REMOTE INPUT
(TYPICAL)
NOTE;
Vee = 5Vde
Vde = 12V
-Vde= -12V
MONITOR OUTPUT
( TYPICAL)
TYPICAL OF
DSR OR CTS
SIGNAL
Figure 3-12. Equivalent Circuits for RxD, TxD, and Handshake Signals