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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
80
Function of connector
Connector
Function
Remark
CN1 and CN2
DTRU connection
CN3
The connector with screws for line 1 and 2
Figure 3.4.5.4
CN4
The connector with screws for line 3 and 4
Figure 3.4.5.4
The DIDB can be installed in any of slot No. 1-12.
Analog CO line boards are limited by maximum 32 analog lines in a system.
Add-on board: DTRU
3.4.5.5 BWDIDB Installation – New Zealand
The BWDIDB provides 4 analog both-way DID interfaces. Each line supports Outgoing/Incoming call.
It is designed to comply with New Zealand specification and application, so it may not suitable for the other
national specification and/or application.
Function of LED
LED
Function
Remark
LD1
The status of line 1, ON: in use
LD2
The status of line 2, ON: in use
LD3
The status of line 3, ON: in use
LD4
The status of line 4, ON: in use
Figure 3.4.5.4
Board Layout and DTRU installation
DT
RU
LED1
LED2
LED3
LED4
2R
2T
1R
1T
CN3
4R
4T
3R
3T
CN4
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