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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
A RJ21 type male connector is mounted on the front edge of the AC15 Board for the connection to lines.
It is designed to comply with the UK specification and application, so it may not suitable for the other
national specification and/or application.
AC15 can be installed in any of slot No. 1-12.
The maximum analog CO interface boards are limited by 32 analog lines in a system.
Add-on board: DTRU
2.4.10.3 EMIB (E&M Tie Line Board) -Korea
EMIB provides 4 interface circuits that support 2-wire E&M respectively. Each line supports E&M type V
of E&M line.
The EMIB board contains four LEDs to indicate the status of each line. 4-pair male connectors are
mounted on the front edge of the EMIB and 4-pair male connectors with screw are provided for the
connection to lines.
It is designed to comply with the Korean specification and application, so it may not suitable for the other
national specification and/or application.
EMIB can be installed in any of slot No. 1-12.
The maximum analog CO interface boards are limited by 32 analog lines in a system.
Add-on board: DTRU
2.4.10.4 DIDB (Direct Inward Dialing Board) -Korea
The DIDB provides 4 analog DID interfaces circuits, which support DTMF or Pulse dialing, but not R2
MFC dialing. It only supports Incoming call.
Each of line circuits contains A/D and D/A conversion circuitry, control circuitry, and incoming dial
detection circuitry. DID supports immediate, wink or delay start supervision and can detect incoming dial
pulse or DTMF dialed digits.
The board contains 4 LEDs on the front edge of the board, to indicate the status of each line.
4-pair male connectors are mounted on the front edge of the EMIB and 4-pair male connectors with
screw are provided for the connection to lines.
It is designed to comply with the Korean specification and application, so it may not suitable for the other
national specification and/or application.
DIDB can be installed in any of slot No. 1-12.
The maximum analog CO boards are limited by 32 analog lines in a system.
Add-on board: DTRU
2.4.10.5 BWDIDB (Both-way Direct Inward Dialing Board) - New Zealand
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