Getting to know your Octophon F640 TDM phone
13
Key Modules (optional)
In conjunction with a key module, your Octophon F640 TDM can be configured as an atten-
dant console (ask your service personnel).
key module for Octophon F640
The key module for Octophon F640 is a key module, attached to the side of the phone, that
provides 12 additional illuminated, programmable sensor keys.
Like those on the phone, these sensor keys can be programmed and used according to your
needs
You can attach up to two key module for Octophon F640 to your Octophon F640 TDM.
To use one or more key modules, you always need an external power supply.
Other technical explanations, safety notices, and installation instructions can be
found in the relevant documentation. You can download these from the Internet at
.