HP 2641A Reference Manual page 190

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Read D.C.
switch setting
check IIF
.
status
Transmit LED
=
Data Set
Ready CC (107)
NO
REO to SND CA-.
on set SPECHO
ClJ
flag 2nd XMIT
Data SA
(115) ....
OFF
Transmit LED
=
clear to send
CB (106)
YES
Turn off REO to
SND CA....OFF.
Turn on 2nd XMIT
data SA -)oon clear
XMITFLAG
CD
At
power on or reset
terminal is put in the
transmit state.
~
When suppress echo flag ISPECHO) is set all
receiver data is ignored until STX is detected.
Ignored in D.C. monitor mode.
Q)
All switches
a
=
closed
1 = open
Figure C-l. Point-to-Point Communication Flowcharts (Sheet 1 of 3)
C-5
Read D.C.
switch setting
check IIF
.
status
Transmit LED
=
Data Set
Ready CC (107)
NO
REO to SND CA-.
on set SPECHO
ClJ
flag 2nd XMIT
Data SA
(115) ....
OFF
Transmit LED
=
clear to send
CB (106)
YES
Turn off REO to
SND CA....OFF.
Turn on 2nd XMIT
data SA -)oon clear
XMITFLAG
CD
At
power on or reset
terminal is put in the
transmit state.
~
When suppress echo flag ISPECHO) is set all
receiver data is ignored until STX is detected.
Ignored in D.C. monitor mode.
Q)
All switches
a
=
closed
1 = open
Figure C-l. Point-to-Point Communication Flowcharts (Sheet 1 of 3)
C-5

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