7
Internal units
Description
Audio internal unit complete with 1 key button and supplementary button for additional services.
Dimensions 105×190×28 mm.
1. Handset
2. Button for additional services
3. Lock-release button
4. 3-position ringtone volume
High position: Maximum ringtone volume
Middle position: Medium ringtone volume
Low position: Privacy mode activation
Privacy mode means exclusion of the call ringtone from the external unit and switchboard
5. Red indicator signaling: Privacy mode active
6. Loudspeaker
7. Audio hook
Do not press and hold the audio hook while the handset is lifted
8. Terminal block:
P2 C2 pushbutton C. NO. 24V 100mA dedicated to various services
P1 Lock-release button
4 Negative
3 Microphone output
2 Loudspeaker input
S Electronic call signal input
9. Ringtone volume selector
10. Handset connector
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