IBM 3708 Planning And Installation page 146

Network conversion unit
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Ignore Parity
Note: This field must be set to half duplex for the BREAK function to operate in
NTO-like mode.
[1,0]
I-Parity errors are ignored on characters from the device.
O-Parity errors are recognized.
The 3708 replaces the data byte received with bad parity with the parity error
substitution character.
Parity Error Substitution Character
[X'OO' - X'FF']
Echoplex
Type the character in EBCDIC that is to be inserted into the host data stream in
place of a character with bad parity that is received from the device. For example, if
you type the EBCDIC character X '6F' , the 3708 inserts a question mark (?) into the
host data stream as a substitute for characters with bad parity. Ignore Parity must
be 0 for this function to work.
[1,0]
I-The characters that are received by the 3708 are echoed back to the sending
device.
Echoplex provides a visual method of verifying that the 3708 has correctly
received data. This option requires full duplex communication facility and
Permanent RTS.
0-
The characters that were received by the 3708 are not echoed back to the
sending device.
Attention Key Substitution Character
[X'oo' -
X'FF']
Type the hexadecimal value that is to be transmitted to the host when the 3708
recognizes terminal attention. For example, if you type X '4F', the 3708 inserts
X '4F' into the host data stream when it recognizes terminal attention.
See "Recognize Terminal Attention" on page 13-38 for more information.
Delay After Receipt of CR
This option tells the 3708 to delay after a carriage return (CR) is received from a
device before initiating a host transmission.
[1,0]
I-The 3708 uses the value that is defined in the Delay After Carriage Return
field (see Delay after Carriage Return on page 13-34) when it receives a carriage
return from the device. This value specifies the number of DEL characters that
the 3708 transmits to the device before starting a host transmission.
0-
The 3708 does not delay before transmitting when it receives a carriage return
from the device.
Chapter 13. Configuration Procedures
13-37

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