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CHAPTER 4: DEFINITIONS OF 7500 OPTIONS
Front Panel
Without Help
0
1
2
Local Mode
Configurations: Asynchronous DCE, Asynchronous DTE
This option determines how you may access the Local Mode commands from data equipment
attached to the 7500.
The available options are off, cmd, and at. When this option is set to off, the user may access
features via the 7500 front panel only. This is the recommended setting for applications that cannot
accept text messages from the 7500.
When this option is set to cmd, you will be able to perform most of the front panel functions by
typing commands on a terminal attached to the 7500. This is the correct setting for most users who will
be attaching the 7500 configured as Asynchronous DCE, to a data terminal or personal computer.
Setting this option to at allows the 7500 to use the set of commands commonly used with many
popular modems. The at setting is appropriate for users who use software packages PCs, or those using
attached data terminals that communicate only using at commands.
Without Help
Match.speed
Configurations: Asynchronous DCE, Asynchronous DTE
Data Protocols: Mode 2
This option permits endpoints running at different speeds to communicate via the Mode 2 protocol.
To establish a Mode 2 data call:
both endpoints must be at the same speed or
the Match.speed option must be on at the endpoint with the higher speed.
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Asynchronous DCE and Asynchronous DTE
Option Values For Line.erase
CMD
Mode
With Help
off
OFF
can
CTRLX
nak
CTRLU
Asynchronous DCE and Asynchronous DTE
Option Values For Local Mode
Front Panel
With Help
OFF
0
CMD
1
2
AT
Option
Description
Cancel key or CtrlX
Cancel key or CtrlU
Factory Value
CMD
AT
Mode
Mode
DCE
AT&&T
X
&&H
Factory Value
DTE
DCE
X
X
DTE
X
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