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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
96
Relay contacts for general purpose
GDK-100 MISB supports up to 4 Relay contacts, which can be used for the functions of Loud Control, Door
Open and so on under the software control. These relay contacts are respectively connected with external
equipment through 4 pairs of a RJ21 type connector, CHAMP1 on the board.
RLY1: Pin No. 1 and Pin No. 26
RLY2: Pin No. 2 and Pin No. 27
RLY3: Pin No. 3 and Pin No. 28
RLY4: Pin No. 4 and Pin No. 29
Alarm Detection wiring
GDK-100 MISB provides an external alarm detection input, which can be used to notify to extensions when
the external switch is on/off. This alarm detection input is provided through a pair of a RJ21 type connector,
CHAMP1 on the board.
ALARM: Pin No. 18 and Pin No. 48
Close or open detection is programmable by Admin. Programming.
External DC
Power Supply
MDF
GDK-100 MISB
RJ21 type connector, CHAMP1
2
27
Figure 3.5.3.b
An example of Loud Bell wiring
MDF
GDK-100 MISB
RJ21 type connector, CHAMP1
18
43
Figure 3.5.3.c
An example of External Switch wiring
External
Switch