I am connecting to a PBX or other DCE device and the UniGuard drops the call after authentication.
Most PBX ports are configure as DCE devices and require a Null Modem connector to operate with the UniGuard. The UniGuard is also configured as a DCE so it needs a null modem connector to communicate with another DCE. You can use a null modem adapter or call CDI support for a CDI null modem connector.

I want to know about the UniGuard’s internal modem ?
The UniGuard contains a MultiTech MT5634ZBA modem.

Are UniGuard units flash upgradeable?
Yes, from version 7.01 and up. This can be done automatically from the DDM.

Are there any special settings that the UniGuard needs to be set for when working on Windows 95, Windows 98, or Windows NT platforms?
Yes, the data rate, data bits and parity of the UniGuard should be the same as the host application it is connected to. The modem should be programmed with the DDM to have the Host AT Command Access as disabled.

Are there any specials settings for Dial up Networking?
When dialing into a UniGuard using HyperTerminal dialout or Dialup Network, the option Bring Up Terminal After Dialing under Connection control should be Enabled (checkmarked). You must also ensure that you are not using compression.

Are there any special settings that the UniGuard needs to be set for when connected to a Unix host system?
Yes, the data rate, data bits and parity of the UniGuard should be the same as the Unix host application it is connected to. The modem should be programmed with the DDM to have the Host AT Command Access as disabled This prevents any terminal messages from confusing the UniGuard.

Are there any special Issues with Sun Solaris serial ports?
Yes, We offer a special connector for the SUN Sparc Station that overcomes the erratic behavior of this port when connected to a dial modem. There are also changes that need to made to the etc/default/login file.

Are there any issues connecting to Cisco routers?
When the UniGuard is connected to a Cisco Router (2500 series, 4500 series, 3600 series) a special host adapter can be provided between the UniGuard host port and host application. Contact CDI about this special adapter.

After the user successfully authenticates and is then connected to the host application, the call drops.
DTR (data terminal ready) is not asserted from the host application, so the UniGuard modem drops the call. The connection between the UniGuard host port and the host application is suspect. Check the host and/or host application to determine if DTR is present. If not, fix the host. Check to see that the host devices is configured as a DTE
(Terminal) if not a null modem connector will be needed. Otherwise contact CDI Technical Support.

Invalid authentication between a remote Client Encryptor and UniGuard.
Make the sure the remote user enters the proper User ID and Password. Make sure the Client Encryptor unit ID and its authentication key are the same as the one programmed in the host UniGuard’s database.