LG Electronics IP LDK-20 Line Connector and Terminating Resistors, MJ1 SW4, MJ1 SW1, ※Note

IP LDK-20 Installation Manual Board Installation

3.3.2.2 Line Connector and Terminating Resistors

SW 1 AND SW4’S 1, 2 PIN SETTING : DEFAULT = ALL ON POSITION

LINE NO

RJ45 TYPE JACK

TERMINATING RESISTORS

SWITCH PIN1, 2 ON PIN3, 4 OFF

REMARK

Line 1	MJ1	SW4	Termination
Line 2	MJ1	SW1	Termination

Open Open

T OR S SWITCH SETTING

LINE			SWITCH AND CONNECTOR
	MODE	SW4			REMARK
NO				SW2
		PIN 3, 4			CN1
					T
	S	ON		ON	S
Line 1
					T
	T	OFF		OFF	Default
					S

Line 2

T Only

※NOTE

-SW4(Pin 3, 4 : -40V Power Feeding.

-SW2: The mode Change of the BRI transceiver.

-CN1: Set four 2pin jumpers like the above figure according to each mode.

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