LG GDK-20W User Manual

Page 28

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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.






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