Assert Rts/Normal; Sac Enable/Normal - Northern Telecom DMS-100 Series Installation And Maintenance Manual
Digital switching systems
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Also See for DMS-100 Series:
- Maintenance manual (238 pages) ,
- Manual (168 pages) ,
- User manual (88 pages)
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297-2121-226
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VINTAGE 05.01
0
switch
is
set
0
DU.
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Assert RTS/Normal:
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When this switch (number 8 on SW2) is set to Assert RTS
0
to
send),
the
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Set this option to Assert RTS when the user does not require
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DTE
to
control the RTS signal.
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mal, the DTE controls the RTS signal to the DU.
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Data Speed Selector Switches:
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The Data Speed Selector switches (numbers 1, 2, 3, and 4
0
for NT4X25AD/CH and numbers 1 and 2 on SW3 for NT4X25AV) are used
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to
select
the data transmission speed and the transmission mode
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(asynchronous or synchronous) of the data call.
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The Async (Autobaud) setting automatically sets
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asynchronous
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See Figure 4.8 on page 4-16 for the switch settings.
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SAC Enable/Normal:
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This switch (number 5 on SW3) is used to select normal
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or SAC (synchronous automatic calling).
0
Bit-Oriented /Char-Oriented:
0
This switch (number 6 on SW3) is used in conjunction with the SAC
0
Enable/Normal
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col or Character-(Char) Oriented protocol for SAC from a synchro-
0
nous DTE.
0
Master/Slave:
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This switch (number 7 on SW3) configures the data unit for opera-
0
tion as a master or slave unit.
0
switched
configuration,
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When two DUs are installed in a non-switched
0
one
DU
to
0
option is preset to Slave.
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Switched/Non-Switched:
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This switch (number 8 on SW3) selects the
0
DU,
either switched or non-switched (back-to-back).
0
is connected in a switched configuration through the DMS-100 Fam-
0
ily switch, set this switch to the Switched position.
0
DU
is connected directly to another DU in a non-switched config-
0
uration, set this switch to
0
option is preset to Switched.
0
3-34
to Normal the DTE controls the DTR signal to the
DU
provides the RS-232C RTS signal for the DTE.
transmission
speed of the DTE (asynchronous only).
(NT4X25AV /CH)
switch.
It selects either the Bit-Oriented proto-
set
Master
and
the other to the Slave position.
the
When this switch is set to Nor-
(NT4X25AV /CH)
When the DU is
this switch to the Slave position.
configuration,
configuration
Non-Switched
(request
the
on
SW3
the
DU
to
the
operation
installed
in
a
set
This
of
the
When the DU
When
the
position.
This
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