5-31
Confi guration
•
Port Mode:
Selects the Port Mode for this port. Note that when the
Port Mode is set to "Modem" the modem initialization string will be sent
every 15 minutes. For more information on Port Modes, please refer to
Section 5.5.3.1. (Default: Ports 1 to 6 = Any-to-Any; Port 7 = Modem.)
Notes:
• In order to ensure local access to command mode functions, Port 1
(the System Setup Port) cannot be set to Buffer Mode or
Passive Mode.
• The Port Mode for Port 7 (Internal Modem Port) will always be set
to Modem Mode and cannot be changed.
When Any-to-Any Mode, Passive Mode, or Buffer Mode is selected, the
CMS-6R4 will display the DTR Output Prompt as shown in Figure 5.15.
The DTR Output prompt is not displayed when Modem Mode is selected.
•
DTR Output:
Determines how DTR will react when this port
disconnects. DTR can be held low, held high, or pulsed for 0.5 seconds
and then held high. In the default state, DTR will pulse for 0.5 seconds
and then remain high. For more information on hardware lines, please
refer to Appendix A. (Default = Pulse.)
When Port Mode is set to Modem Mode, the Port Parameters Menu will
include additional prompts which are used to define the following:
•
Reset String:
If necessary, this prompt can re-define the modem
reset string, which is sent prior to the Initialization string. (Up to 48
Characters, Default =
ATZ.
)
•
Initialization String:
Defines a command string that can be sent to
initialize a modem to settings required by your application. (Up to 48
Characters, Defaults: Ports 1 through 6 =
AT&C1$D2S0=1
;
Port 7 (Internal Modem Port ) =
ATE0M0&C1&D2S0=1
.)
•
Hang-Up String:
Although the CMS-6R4 will pulse the DTR line to
hang-up an attached modem, the Hang-Up string parameter is often
useful for controlling modems that do not use the DTR line. (Up to 48
Characters, Default = undefined.)
Notes:
• When communicating with the CMS-6R4 via modem,
communications parameters will not be changed until you exit from
command mode and discontinue the modem connection to the unit.
• For a complete listing of all available AT commands and
S-Register functions, please refer to the MT5634 Modem Command
Set document that can be found on the User's Guide CDROM, or on
the WTI web site at http://www.wti.com/guides/guidarch.htm.
Summary of Contents for CMS-6R4
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