![LG GDK-100 Скачать руководство пользователя страница 101](http://html.mh-extra.com/html/lg/gdk-100/gdk-100_manual_220848101.webp)
GDK-100
DIGITAL KEY TELEPHONE SYSTEM
92
!
Note
1. SW1: It should be Normal position during normal operation.
This is not used.
2. SW2: This is for the purpose of SRAM back-up for ACD/UCD announcement.
It should be turned ON during installing the DVIB, to protect announcements in the
case of a power fail.
“ Caution :
Danger of explosion if battery is incorrectly replaced. Replace only with the same
or equivalent type recommended by the manufacturer. Dispose of used batteries
according to the manufacturers instruction.”
3. JP8: It should be OFF (A-law) for audio input.
Check Points
1. JP8 and IC on U36.
2. CONN5, CONN6 and CONN7 should be open.
3. Add-on boards: DMEU, DMEU4, ADPU
Figure 3.4.7
Board Layout and ADPU, DMEU/DMEU4 installation
U1
CONN1
AD
P
U
CONN3
LED7
LED8
CONN4
U2
JP8
1
ON OFF
CONN7
CONN6
CONN5
DM
E
U
or
DM
E
U
4
SW
3
LED1
LED2
LED3
LED4
LED5
LED6
1
ON
OFF
SW2
Содержание GDK-100
Страница 2: ...GDK 100 DIGITAL KEY TELEPHONE SYSTEM ii Blank sheet ...
Страница 52: ...GDK 100 DIGITAL KEY TELEPHONE SYSTEM 43 LKD 2NS LKD 8DS LKD 30DS LKD 30LD Figure 2 4 3 LKD Digital Keysets ...
Страница 53: ...GDK 100 DIGITAL KEY TELEPHONE SYSTEM 44 GSX 8BTN Figure 2 4 4 GSX Electronic Keysets GSX 33 EXE ...