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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
3.5.6.5
DID Board wiring - Korea
DIDB is capable of connecting 4 DID lines through 2 connectors with screws on the board
The MDF that is in wide use in your country can also be locally used according to the requirements of local
regulation.
DIDB
The connecting block
with screws on board
Note:
1. DIDB is polarity-sensitive, so it is important to check the polarity of wires when wiring. In idle
state, –48V is fed on Ring wire, and Reference is on Tip wire in GDK-100 DIDB.
But some network equipment may operate regardless of line polarity.
2. DIDB board is capable of connecting with up to 4 lines.
R2
T2
CN3
R1
T1
Figure 3.5.6.5
T
R
wiring DID line
116
Network
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