LG GDK-20W User Manual

GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM     
 

 

 

Jumper/ 

Switch 

Manufacture 

Setting (T mode) 

Description Remark 

CN2 

CN2 : T position 

S0 or T0 interface mode selection for the 
port and PEB2086 device respectively. 

 

 

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 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
It is noted that the ‘PWR’ and the ‘R’’ markings on the STIB2 & STIB card are switched with above figure.