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7. Port Mode: Defines the operation mode for this port. Note that Ports 1 and 2 cannot be
configured for Passive Mode or Buffer Mode. (Default = Any-to-Any Mode).
When Any-to-Any, Passive, or Buffer Mode is selected, the unit will display the DTR
Output prompt (Figure 5.1). This prompt is not displayed when Modem Mode is selected.
74. DTR Output: Determines how the DTR line will react when this port disconnects.
The DTR line can be held low, high, or pulsed for 0.5 seconds and then held high.
In the default state, the DTR line will pulse for 0.5 seconds and then remain high.
For more information, please refer to Appendix A. (Default = Pulse).
When Port Mode (menu Item 7) is set to Modem Mode, the menu will include additional
prompts (see Figure 5.2), which are used to define the following:
71. Reset String: If necessary, this prompt can be used to re-define the modem reset
string. The Reset String is sent prior to the Initialization string. (Default = ATZ).
72. Initialization String: Defines a command string that is sent to initialize a modem
to settings required by your application. (Default = AT&C1$D2S0=1).
73. Hang-Up String: Although the CMS will pulse the DTR line in order to hang-up an
attached modem, the Hang-Up string is often useful for controlling modems that do
not use the DTR line. (Default = undefined).
Note: When communicating with the CMS unit via modem, parameters will not be
changed until after you have exited from command mode and discontinued the
modem connection to the unit.
5-8
CMS Series - Console Management Switches, User's Guide Configuration
PORT PARAMETERS #02
1. Port Name: (undefined)
2. Password: (undefined)
3. Baud Rate: 9600
4. Bits/Parity: 8-None
5. Stop Bits: 1
6. Handshake Mode: CTS/RTS
7. Port Mode: Modem
71. Reset String: ATZ
72. Init String: AT&C1&D2S0=1
73. Hang-Up String: (undefined)
8. Supervisor Mode: Permit
9. Logoff Character: +
10. Sequence Disconnect: Three Characters
11. Timeout Disconnect: Off
12. Response Type: Verbose
13. Command Echo: On
14. Accept Break: Yes
Enter: "<" Previous Port,
">" Next Port,
<ESC> Exit ...
Figure 5.2: Port Parameters Menu (Modem Mode)