Asynchronous Port Modem Control - Digital Equipment MUXserver 100 Reference Manual

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Example:
SYS>TEST
WARNING - testing will destroy all user links and require
a DFMZA restart.
Do you really want to test [NO]?N
SYS>TEST
WARNING - testing wiLL destroy aLL user Links and requ;re a
DFMZA restart.
Do you reaLly want to test [NO]?Y
DFMZA
8 LINE STAT MUX
OFFLINE DIAGNOSTIC
Test number «CR> to resume normaL operation,
~C
to stop test)?
1
Basic option test
2
Asynchronous port externaL test
3
Asynchronous internaL Logic test
4
Composite port
e~ternaL
test
5
Composite port internaL Logic test
6
Broadcast test
7
Echo test
8
Modem controL test
6.4 ASYNCHRONOUS PORT MODEM CONTROL
NOTE
'No Modem' control should be selected for any port connected to a
MUXserver 100. This is the default setting. The MUXserver 100
does not support MODEM control.
Although each of the asynchronous ports on the DECmux II units can be set
to support modem control, it cannot be used with the MUXserver 100. Only
asynchronous link from one DECmux II unit to a second DECmux II unit can
use MODEM control. The determining paranleters are set through the
DECmux II supervisor port and saved in non-volatile memory.
24
CHAPTER 6 OECmux II OPERATION

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