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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
shorting traps (short pin) on the related interface circuit.
3.
CN104/R168 are on the 1
CN106/R170 on the 3
LCOB can be installed in any one 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, CMU
3.4.5.2 AC15 Board Installation - UK
The AC15 board provides 3 private interface circuits, each line supports AC15a signaling.
It is designed to comply with the UK specification and application, so it may not suitable for the other
national specification and/or application.
Function of LED
LED
LED1
LED2
LED3
Function of connectors
Connector
CN1 and CN2
CN3
st
interface circuit, CN105/R169 on the 2
rd
interface circuit and CN107/R171 on 4
Insert Figure 3.6a in the existing Manual here
Figure 3.4.5.1
CMU & CPTU, DTRU Installation
Function
The status of line 1, ON: in use
The status of line 2, ON: in use
The status of line 3, ON: in use
Function
DTRU connection
RJ21 type male connector for CO line connection.
77
nd
interface circuit,
th
interface circuit.
Remark
Remark
Clause 3.5
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