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GDK-100
DIGITAL KEY TELEPHONE SYSTEM
121
ISDN trunk connection (Basic Rate)
ISDN Terminal Connection (Basic Rate)
Max. 1000 meters
GDK System
ISDN Board
BRIB
STIB(T)
NT1
ISDN
TR
TR
Figure 3.5.7.b
ISDN Trunk connection (Basic Rate Interface: T)
1. Point to Point connection
2. TR: Termination resistor, 100 ohm
Figure 3.5.7.c
ISDN Terminal connection (Basic Rate Interface: S)
1. Connection Type
P to P: Point to Point connection
P to MP: Point to Multi-Point connection
2. TR: Termination resistor, 100 ohm
This may be contained in a TE among multi-TEs.
P to P Connection
TR
TE
TR
G
DK-
SY
ST
EM
TR
STIB(S)
BRIB
STIB(T)
TR
TR
Max. 1000 meters
TE1
TE2
TE8
Max. 200 meters
TR
TR
TE1
TE2
TE8
Max. 500 meters
Max. 50 meters
P to MP Connection
- Short Passive
P to MP Connection
- Extended Passive