14
K2-5 to 6: The footswitch.
The (foot)switch should be connected to this.
The connections have been indicated in the figure above.
K2-7 to 9: relay contacts.
This relay is activated when a call comes in and has not been accepted as yet, and no
other connection to the related station has been accepted.
This is a potential-free contact. The connections have been indicated in the figure
above.
K2-10 to 12: The microphone.
This should be connected to the connector K2 via a screened cable.
The connections have been indicated in the figure above.
It is important to ensure that both the wires that are connected to pin 11 and pin 12 are
free of earth!
K3 :
The communication line
.
The devices are connected to each other via a screened (preferably TP) cable of 2 times
0.5 mm
2
.
These are connected to K3, whereby the polarity of the connections should be carefully
selected! Also see the markings on the connector and in the figure above.
K3 can be used in order to “loop through” the cable. For example “incoming” at pin 1
& 2 and “outgoing” at pin 3 & 4.
Screen
Summary of Contents for Sigma 700
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