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Specifying flow control
settings
2 On the Configuration menu, select Async Settings, and then specify
values for the following settings:
Setting
Parameter
Parity
– None
– Even
– Odd
Note: Selecting Odd or Even adds one bit to each charac-
ter to accommodate the parity bit. For example, 7 data bits
with even parity encoding generates 8 bit characters.
Data Bits
– Data 5 for baudot encoding
– Data 6 for BCDIC encoding
– Data 7 for ASCII encoding
– Data 8 for EBCDIC encoding
Stop Bits
– 1
– 1.5
– 2
3 If you need to specify other settings for the test, press Cancel to return to
the Configuration menu.
You have finished specifying the async settings.
Determine whether the device you will connect the E1/Datacom Tester to uses
flow control. If so, you can configure the E1/Datacom Tester for out-of-band
flow control. If you are testing in asynchronous mode, you can also use in-band
flow control. When you enable out-of-band flow control, you can specify
whether data is transmitted based on specific signal lead conditions.
To specify flow control settings
1 If you haven't already done so, launch the Data Communication applica-
tion (see
"Launching the datacom application" on page
2 On the Configuration menu, select Flow Ctrl Settings, and then specify
values for the following settings:
Setting
Oob Flow Control
DTR
DSR
RTS/C
CTS/I
RLSD
SmartClass E1 Tester User's Guide
Parameter
Select On to set out-of-band flow control; Off uses
in-band flow control.
Out-of-band flow control based on the Data Terminal
Ready (DTR) signal.
Out-of-band flow control based on the Data Signal
Ready (DSR) signal.
Out-of-band flow control based on the Request To
Send (RTS) signal.
Out-of-band flow control based on the Clear To Send
(CTS) signal.
Out-of-band flow control based on the Receiver Line
Signal Detect (DCD) signal.
Chapter 5 Datacom Testing
Specifying test settings
52).
59
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