Northern Telecom DMS-100 Series Installation And Maintenance Manual page 57
Digital switching systems
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0
0
0
the
non-standard flow-control method.
0
to operate correctly both the near-end and far-end DU's
0
set to the Switch B position.
0
A
DU
set
to
0
application. A DU set to flow control mode cannot
0
modem pooling.
0
When a DU is set to flow-control mode:
0
*
local CTS is controlled by far-end RTS
0
*
local
CD
0
progress
0
*
the DU can transmit data regardless of the state of RTS
0
Local CTS Delay/End-to-End Delay:
0
This switch (number 6 on SW4) selects the method that
0
the length of the CTS (clear to send) delay.
0
When
set
to
0
controlled by the setting of the delay timer, not by the
0
end delay of the CTS signal returned from the far-end DU.
0
When
set
to
0
determined by
0
returned
from the far-end DU.
0
minimum duration for this end-to-end delay.
0
The CTS delay timer is controlled by setting SW4-7 (CTS
0
ON/OFF) and SW4-8 (CTS Delay B ON/OFF) as shown in Figure 3.12 on
0
page 3-38.
0
CTS Delay A ON/OFF:
0
This
switch (number 7 on SW4) is used to set the duration of the
0
CTS delay.
See Figure 3.12 on page 3-38 for switch settings.
0
CTS Delay B ON/OFF:
0
This switch (number 8 on SW4) is used to set the duration of
0
CTS delay.
See Figure 3.12 on page 3-38 for switch settings.
0
flow-control mode cannot be used in a half-duplex
is
automatically asserted while a data call is in
Local
CTS Delay, the duration of the CTS delay is
End-to-End Delay, the duration of the CTS delay is
the
end-to-end
(NT4X25CH)
(NT4X25CH)
For the non-standard mode
(NT4X25CH)
delay
time
of
Setting the delay timer ensures a
297-2121-226
VINTAGE 05.01
must
be
be
used
with
determines
end-to-
the
CTS
signal
Delay
A
the
3-37
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