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CHAPTER 4: DEFINITIONS OF 7500 OPTIONS
Forwarding
Configurations: Asynchronous DCE, Asynchronous DTE
Data Protocols: X.25, Mode 3
The 7500 sends data through the network in packets if the data mode is X.25 or Mode 3. This
option allows you to select a data-forwarding character, a character used to signal that a data packet
should be sent.
Set Forwarding to something other than off if you want a way to signal the 7500 to send a less-
than-full data packet. For example, if you set Forwarding to carriage return, the characters that you
type will be stored until you press [
the characters will be put into a packet and sent out.
If you set Forwarding to any, when you press a control character or the [
sent out. Of course, if enough characters to fill a packet are typed before you enter the Forwarding
character, the full packet will be sent. The Forwarding character is included in the packet.
Typically, if you enable Forwarding, you will want some way to display characters at your data
terminal as you type them, and you will want a way to do local editing. These could be features of your
data terminal or you could use the Echo and Edit options provided by the 7500.
Forwarding cannot be off if you wish to use Edit, Char.erase, or Line.erase.
Front Panel
Without Help
0
1
2
Interactions with Rec.flow: If Forwarding is set to any and xon/xoff flow control is being used, then
the xoff character (CtrlS) and the xon character (CtrlQ) are used for flow control and will not cause
packets to be sent.
60
] or [
RETURN
ENTER
Asynchronous DCE and Asynchronous DTE
Option Values For Forwarding
CMD
Mode
With Help
OFF
off
CR
CR
CTRL
any
] on your data terminal keyboard. At that time,
DEL
Option
Factory Value
Description
DCE
X
carriage return
All control
characters
and del
] key, a packet will be
DTE
X
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