Operating instructions
36 
Issue 1.0 March, 2006 
Digital Key Telephone – DK-1D or DK-1S with SLC1 Circuit Pack installed 
 
Terminate the station wires with the connectors that are provided. The digital station will connect to the G2-
STU of KSU. Connections are to the center two pins of the connector (pins 2 – 3). 
 
Connect Tip terminal with GRN terminal (screws) of the modular jack, Ring with RED. 
 
There is no polarity requirement on Tip and Ring. 
 
4-conductor wiring is required for DK-1 w/SLC1 Card from the Handset to Wall socket. 
 
Open the overlay of the function key on DK-1 telephone and select the 1
st
 station. 
 
Connect the single line telephone from the phone box. Connect Tip terminal with YEL terminal (screws) of 
the modular jack, Ring with BLK.. 
Dip to right on DK1 
CAUTION! 
1.  Avoid shorting Tip and Ring together. It may damage the G2-MBU or G2-STU board. 
2.  System does not allow another Digital key phone to be connected on the same digital twin port as a DK-1 
with SLC1 Adapter. 










