Siemens HiPath 500 - Understanding Screen Displays; Accessing Telephone Functions

Getting to know your OpenStage phone
14
Key Module
OpenStage Key Module 40
The OpenStage Key Module 40 is a key module attached to the side of the
phone that provides 12 additional illuminated, programmable keys.
Like keys on the phone, these keys can be programmed and used accord-
ing to your needs Æ page 19.
You can attach up to two OpenStage Key Module 40s to your
OpenStage 40 T.
To operate an OpenStage Key Module 40, you always require a
power supply unit Æ page 2