LG Electronics IP LDK-20 1.3 MJ4 Pin Assignment, 1.4 SW3 Functions and LED Indications

IP LDK-20 Installation Manual Board Installation

5-6

RESERVED

3.2.1.3 MJ4 Pin Assignment

MBUB

CONNECTOR	PIN NUMBER	NO	SIGNAL NAME
RJ45		1,2	Relay1-R, Relay1-T
		3,4	Relay2-R, Relay2-T
		5,6	EXT_PAGE-R, EXT_PAGE-T
		7,8	Alarm-R, Alarm-T

3.2.1.4 SW3 Functions and LED Indications

SWITCH

FUNCTION

OFF

ON(DEFAULT)

3-1 Administration Programming Access

3-2 Command/Event Trace (The purpose of testing software)

3-3 SMDI (Simplified Message Desk Control –Voice Mail )

3-4 Database default on power up

Disable

Enable

SMDI ON

Disable

Enable

Disable

SMDI OFF

Enable

Before programming the system, switch 3-4 should be placed in the ON position and power cycled-OFF and –ON to initialize the system database to default. Once the database has been initialized, switch 3-4 should be placed in the OFF position to protect the database.

After putting the lithium battery switch (SW1) into ON to protect RAM/RTC data, install the option boards to the MBUB.

CAUTION

•The DIP switch, SW1 should be turned ON to protect system data in case of a power failure.

•The system will not function properly if the battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer instructions.

•The 4th pole (switch 4) of SW3 should be OFF to protect the features being programmed in Admin programming after the system power up and initialization.

LED INDICATIONS

LED	MEANING
LD1 (RED)	Periodic toggle – ON: 2 sec., OFF: 100m sec.
LD2 (RED)	Periodic toggle – ON: 2 sec., OFF: 100m sec.
LD3 (RED)	Timer, Flashing every 100msec
LD4 (RED)	LCD active updating, Flashing every 300msec
LD5 (GREEN)	The status of PLL for 32Mhz clock synchronization (ON : ACT, OFF : INACT)
LD6 (RED)	The status of Main SYSTEM Power

LED

	STATUS
ON	OFF

LINE NO.

REMARK

LD7	RED	ERROR	IDLE
	GREEN	IN-USE
LD8	RED	ERROR	IDLE

1

2

BRI

BRI

26