Port modes, Rs232 port configuration menus, Section 5.5.3 – Western Telematic CMS-16 User Manual

Page 24: The user

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To exit a menu or prompt without changing its current value, press [Esc].

Passwords and port names are case sensitive. When defining passwords and port names,
note the exact text, including the case of each character.

The "Who" command (/W) can be used to display currently selected parameters for your
resident port. Note that when the Network port has been accessed using a Port Password
(User Mode), the /W command will only display the selected Logoff Character.

5.5.2. Port Modes

The CMS offers four different port operation modes; Any-to-Any Mode, Passive Mode, Buffer
Mode, and Modem Mode. The Port Modes function as follows:

Any-to-Any Mode: Allows communication between connected ports. Any-to-Any Mode
Ports can be connected to other Any-to-Any Mode, Passive Mode, Buffer Mode, or
Modem Mode Ports by accessing Command Mode and invoking the /C command (see

Section 7.1.1

). The Any-to-Any Mode is available to all ports.

Passive Mode: Allows communication between connected ports, but does not allow
access to Command Mode. Passive Mode Ports can be connected by accessing Command
Mode from a free Any-to-Any or Modem Mode port and invoking the /C command (see

Section 7.1.1

). The Passive Mode is not available to Ports 1 or 2 or the Network Port.

Buffer Mode: Allows collection and storage of data received from connected devices.
Collected data can be retrieved by accessing Command Mode from a free Any-to-Any or
Modem Mode Port, and issuing the Connect (/C) Command. Note that the Buffer Mode
also allows pass-through communication with the connected device. The Buffer Mode is
not available to Ports 1 or 2 or the Network Port.

Modem Mode: Allows communication between connected ports and simplifies
connection to an external modem. A port configured for the Modem Mode can perform all
functions normally available in Any-to-Any Mode. The Modem Mode also allows
definition of a Hang-Up String, Reset String, and Initialization String. Any CMS RS232
port can be configured for the Modem Mode. The Modem Mode is not available at the
Network Port.

For more information on Port Modes, please refer to

Section 7

.

5.5.3. RS232 Port Configuration Menus

The Port Configuration Menus are used to select options for each of the CMS RS232 ports.

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