GDK-100
DIGITAL KEY TELEPHONE SYSTEM
79
Line mode selection
Type
No
Short
Open
Remark
PO1 - PO4
Type I
Type V
Note
!
Note:
EMIB mainly supports 2-wire E&M type V. It is recommended to set 2 wire E&M Type V.
It is recommended to remove shorting wires when installation.
EMIB can be installed in any of slot No. 1-12.
Analog CO line boards are limited by maximum 32 analog lines in a system.
When installing E&M line, It is important to check the type of E&M line and jumper position.
Add-on board: DTRU
3.4.5.4 DIDB Installation - Korea
The DIDB provides 4 analog DID interfaces. Each line supports DTMF and Pulse signaling but not R2 MFC.
It is designed to comply with the Korean specification and application, so it may not suitable for the other
national specification and/or application.
Function of LED
LED
Function
Remark
LED1
The status of line 1, ON: in use
LED2
The status of line 2, ON: in use
LED3
The status of line 3, ON: in use
LED4
The status of line 4, ON: in use
Figure 3.4.5.3
Board Layout and DTRU installation
DT
RU
LED1
LED2
LED3
LED4
1M
1E
1R
1T
CN3
2M
2E
2R
2T
3M
3E
3R
3T
4M
4E
4R
4T
CN4
CN5
CN6