TLP Pro x25 Series and TLS x25 Series • Reference Material 40
Toggle DHCP Client
This mode toggles between DHCP enabled and DHCP disabled. This can also be carried out from the Network
screen (see page 19) of the Setup menu.
Activation
To enable or disable the DHCP client for the LAN port:
1. Press the RESET button five times (consecutively).
2. Release the button. Do not press the button within 3 seconds, following the fifth press.
Result
If DHCP was enabled, it is now disabled. The Reset LED blinks three times.
If DHCP was disabled, it is now enabled. The Reset LED blinks six times.
NOTES:
• DHCP toggle mode is supported on firmware version 3.0 or higher.
• By default DHCP is off and the unit uses a static IP address.
• When you disable DHCP, the unit reverts to using the previously-set static IP address.
Secure Sockets Layer (SSL) Certificates
Extron TouchLink Pro control systems ship with factory-installed SSL certificates created by Extron. If you want or
are required to use a different SSL certificate at your installation site, then you can use system utilities in the
Toolbelt software to change the SSL certificate at any time. The Toolbelt Help File provides instructions on how to
apply an SSL certificate to a controller.
NOTES:
• You must run Toolbelt as an administrator.
• Some certificates require a passphrase that is created when the certificate is created. If a passphrase is
required, you must enter that passphrase before uploading and applying the certificate.
These devices support standard OpenSSL certificate encodings such as .pem (Privacy-enhanced Electronic Mail)
and .der (Distinguished Encoding Rules) file types. PEM file types are ASCII encoded and are the required format
for uploading to the Extron control product. DER file types are binary encoded and can typically have several file
extension variations, such as .crt and .cer. There are many standard tools that can convert from DER to PEM file
encodings if needed.
NOTE: A DER format file must be converted to PEM encoding before uploading it to the button panel, control
processor, or collaboration receiver.
To properly create the certificate for uploading to Extron control devices, ensure that the certificate file meets the
following requirements:
• contains X.509 certificate information
• contains public and private keys
• uses PEM encoding
NOTE: ITU-T standard X.509 covers aspects of public key encryption, digital cryptography, certificates, and
validation.
Contact your IT administrator for more information on what tools and policies are required to obtain or create the
SSL certificate and, if necessary, the corresponding passphrase.
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