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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
81
Function of various connectors
Connector/Switch
Function
Remark
CN1 and CN2
DTRU connection
CN3 and CN4
CPTU/A or CPTU/B connection
CN3
The connector with screws for line 1 and 2
Figure 3.4.5.5
CN4
The connector with screws for line 3 and 4
Figure 3.4.5.5
BWDIDB 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 boards: DTRU, CPTU/A, CPTU/B
Figure 3.4.5.5
Board Layout and DTRU installation
LD1
LD2
LD3
LD4
DT
RU
CP
T
U
CN5