LG Electronics GDK-20W, LKD-8DS Wtib Wireless Terminal Interface Board Installation

GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM

WTIB (Wireless Terminal Interface Board) Installation

The WTIB provides 2 ports of base station interfaces. The connection between the WTIB and base stations(GDC-200B) are performed through TERMINAL BLOCK(CN1) by using twisted one pair copper line.

The exterior of the board is shown in Figure 3.4.10.

It should be noted that the WTIB board could be installed on the SLOT5.

Figure 3.4.10 WTIB

DVIB (Digitized Voice Interface Board) Installation

The DVIB provides 2 voice channels. The maximum record time of a DVIB without DVEU(Digitized Voice Expansion Unit) is 68 minutes and if a DVEU is installed, additional 70 minutes is added to the maximum record time. And the protection of recorded messages is controlled by MBU SW1-1.

MBU	Description	System message	User message
SW1-1	OFF : for system default	Not deleted	Deleted
	ON : for database protection	Not deleted	Not deleted

[Table 3.4.4] Protection of recorded messages

The DVIB board should be installed on the SLOT1 of MBU. And the DVEU board should be installed correctly on the CN4 and CN5 of DVIB. If the boards are incorrectly installed, DVIB or DVEU may be operated abnormally or damaged.

The connectors of a DVIB board is shown in figure 3.4.11. CN2 is used for the trace of a DVIB board using a trace data monitor tool(GDK-TRC1). CN4 and CN5 are used for a DVEU installation. CN1 is inserted on SLOT1 of MBU and CN3 is used for a test.

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