Dvib Installation - LG GDK-100 Manual

GDK-100
DIGITAL KEY TELEPHONE SYSTEM
3.4.7 DVIB (Digitized Voice Interface Board) Installation
DVIB provides system announcement, ACD/UCD announcement, and User Greeting. If necessary, the
DMEU(DVU Memory Expansion Unit) or DMEU4 can be installed on DVIB for the expansion of User
Greetings. And, if necessary, the ADPU(ADPCM Unit) can be installed on DVIB for the expansion of user
access channels.
Function of LED
No
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
Function of various connectors
Connector
CONN1
CONN3
CONN4
CONN5
CONN6
CONN7
CONN8, CONN9
CONN10, CONN11
!
Note
1. CONN1: Trace for the purpose of development and maintenance.
The external module for RS 232C serial interface should be required for trace using this
connector. See GDK-TRC1 in section 2.
2. CONN4,5,6,and 7: It is impossible to use them for user access.
These connectors are usually used for the purpose of development and production test.
Especially, all the pins of CONN5, 6 and 7 should be open for the normal operation.
Function of various switches
Switch
SW1
SW2
SW3
SW4
JP8
Description
The status of channel 1
The status of channel 2
The status of channel 3
The status of channel 4
The status of channel 5
The status of channel 6
The status of channel 7
The status of channel 8
Function
Serial interface connector( 4pin) for trace
RCA jack for Audio Input, DVU MOH input
RCA jack for Audio Output.
For the purpose of development
For the purpose of development
For the purpose of development
DMEU or DMEU4 connection
ADPU connection
Function
Normal/Service switch
SRAM back-up when power interruption or failure
CPU reset
Not used
A-law(OFF) /u-law(ON) selection
Status
ON OFF
In use Idle
In use Idle
In use Idle
In use Idle
In use Idle
In use Idle
In use Idle
In use Idle
91
Remark
Remark
Note 1
Note 2
Note 2
Note 2
Note 2
Remark
Normal
ON
Not Used
-
OFF