Operating instructions
TransTel TD-1648i / TDS-600 Programming Manual 
35
Digital Key Telephone – DK1 Series, DK2 Phones and DSS Console 
 
Terminate the station wires with the connectors that are provided. The stations will connect to the G2-STU 
of KSU using the center two pins only (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. 
 
2-conductor wiring is required for DK1 and DK2 Digital Key Telephones. 
 
DSS Consoles must be connected as the second station. When a DSS is connected, the alternate device on 
the pair must be configured as the first station. 
 
On DK-1 telephones, open the overlay covering the function key and select the 1
st
 or 2
nd
 station. Dip switch 
to the right for the 1
st
 station. Dip switch to the left for the 2
nd
 station. If you change the switch setting, it is 
necessary to unplug the telephone and plug it back in to reset to the alternate port. 
 
On DK-2 Telephones, The recessed pushbutton cycles the telephone between the 1
st
 and 2
nd
 station. This 
should be done with the telephone plugged in to the circuit 
Dip to right: the 1
st
 station. 
Dip to left: the 2
nd
 station. 
CAUTION!: Avoid shorting Tip and Ring together. It may damage the G2-MBU or G2-STU board. 










