User's Manual
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM     
30
Jumper/ 
Switch 
Manufacture 
Setting (T mode) 
Description Remark 
SW1 & 
CN2 
SW1 :OFF 
CN2 : T position 
S0 or T0 interface mode selection for the 
port and PEB2086 device respectively. 
SW2 
Pin1-2: OFF 
Pin3-4 : ON 
#1 and #2 : External Power feeding ON/OFF. 
#3 and #4 : Termination Resistor ON/OFF 
SW3   ON 
Termination Resistor ON/OFF  Only for T0 interface. 
(a) Selection Method 
Port  Connector 
& Switch 
Mode  Selection Method 
So/To (CO1-2 or 
T 
Move short pins to CN2’s ‘T’ position 
Move SW1, SW2 to ‘T’ position(OFF) 
 2So station 130-131) 
SW1 
SW2 
CN2 
S 
Move short pins to CN2’s ‘S’ position 
Move SW1, SW2 to ‘S’ position(ON) 
To 
(CO3-4 or 1-2) 
SW3 
T only 
Move SW3 to ON position 
(b) Port meaning for STIB2 of SLOT2 
[Table 3.4.3] S/T Mode Selection Method 
Figure 3.4.9 STIB2   
It is noted that the ‘PWR’ and the ‘R’’ markings on the STIB2 & STIB card are switched with above figure.










