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3.2 ISDN Line Connection
Wiring with Terminating Resistors (TR)
The ISDN S0 bus should be terminated with two100 terminating resistors (TR).
Main
Unit
Power Supply for ISDN Terminal Equipment (TE)
The system does not provide a power supply to terminal equipment (TE). Depending on the
type of TE's, the external power supply is required on ISDN S0 line to operate.
126
TE 1
TR
†
TR
†
TE 8
RB
RA
TA
TB
TR 100
TR 100
ISDN Installation
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