Lennox Hearth 50 - Manual (Page 11)

ENGLISH
9
Tr o u b l e s h o o t i n g
Some of the problems that may arise when using Konftel 50 are described below.
Calls are audible through the telephone headset but not through Konftel 50
1. Is Konftel 50 properly connected? See the page on connecting
telephone.
2. Are the LEDs red? If so the mute button is activated. Press in
to deactivate.
3. Are the LEDs green? Check the selector switch position on the bottom of
the switchbox. The Selector switch position can be set to I or II
depending on the system telephone you connect your Konftel 50 to.
Manufacturer PBX type Selector
switch position
ERICSSON MD110 I
FENIX I
NORTEL MERIDIAN 1 I
COSMOS I
PHILIPS SOPHO II
ERGOLINE I
ALCATEL 4200 I
4400 I
SIEMENS HIPATH I
HICOM I
For other switch types, first select position I and then position II.
4. Have you added extension cables to the system?
Remove them and reconnect to see if the system is working.
I
II
I
II