Funkwerk elmeg CS290 Notice D'utilisation page 11

If there is no connection to the PABX system (no LAN link, or the telephone has not been logged
in), the symbol l »
-----/ /----‰
You can now use the IP system telephone at the ISDN or UP0 port.
Connecting a headsets (not included in the scope of supply)
Recommended: Headsets from Plantronics including a U10PS connection cable or GN Netcom.
Connect the headset as shown in figure 4. Then lay the headset cord (3) in the cord groove (4) and lock it be-
low the cord retainers (5).
You can use the handset or the headset for making calls.
Headset »Firefly F142 N« from Plantronics (not for IP-S290)
The LED in the mike arm of this headset is activated using the headset button on the telephone.
Figure 4
Pin assignments of the headsets
Headset-connection CS 290, IP-S290
Headset-connection CS 290-U
All manuals and user guides at all-guides.com
« will be shown in the display instead of the time.
1 - Microphone +
2 - Handset (ground)
3 - Handset
4 - Microphone (ground)
1 - DSHG receiver
2 - Ground
3 - Microphone +
4 - Handset (ground)
5 - Handset (3.3 V switchable via resistor)
6 - Microphone (ground)
7 - V+ (3.3V)
8 - DSHG transmitter
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