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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
3.4.6 ISDN Board Installation
There are 3 kinds of ISDN boards such as PRIB, BRIB, and STIB are available. And additional E1 Trunk
Card, E1IB may be available to support local market condition and regulatory requirements.
Each ISDN board contains RJ45 type jack on boards themselves.
3.4.6.1 ISDN BRIB (Basic Rate T interface) Installation
The BRIB card provides 4 interface circuits of BRI (Basic Rate Interface) format digital CO interface. For
using this board, the PLLU or PLLU2 (issue 3 or later) board should be installed on the MPB.
If more than one ISDN board is required, some special cable should be used for clock signal control. CON3
and CON4 are used to control the clock signal when multi-ISDN boards are installed. Refer to [Clock
Control Cable Wiring] of section 3.5.
Function of LED
LED
Function
LED1
The status of Line 1
LED2
The status of Line 2
LED3
The status of Line 3
LED4
The status of Line 4
Function of SW1; default -all OFF when delivering the board
pole
1
Not used
2
TEI
3
Layer 2 trace
4
Layer 3 trace
!
Note:
1. The function of the 2
2. This is set to OFF position as default, therefore it is important to note that the 2
is set to the proper position after checking the type of TEI in your country.
3. These two poles are for the purpose of developing and maintaining BRIB.
Function of various connectors
Connector
Function
CON1
Serial interface connector
CON2
The purpose of development. It is not fixed on the products.
CON3
Clock control IN
CON4
Clock control OUT
!
Note
1. CON1: Trace for the purpose of development and maintenance.
The external module for RS 232C serial interface should be required for trace.
See GDK-TRC1 in section 2.
Status
Red: Error, Green: In-use, OFF: Idle
Red: Error, Green: In-use, OFF: Idle
Red: Error, Green: In-use, OFF: Idle
Red: Error, Green: In-use, OFF: Idle
Function
nd
pole has been implemented in firmware version 3.1 or later.
ON
-
Fixed TEI
Automatic TEI
Enable
Enable
82
Remark
OFF
Remark
-
Note 1, 2
Disable
Note 3
Disable
Note 3
Remark
Note1
Note 2
Note 2
nd
pole
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