ONE100 - Installation Manual
33
The WATCHDOG jumper must always be connected so that OneAccess guarantees
the correct operation of the ONE100.
Description of a block of jumpers for a BRI interface.
Each block of jumpers allows:
• To connect or not a 100 Ohms impedance adaptation,
• To connect the power supply for ISDN terminal (30 volts).
For the power feeding, jumpers operating in pairs:
• No power feeding, both jumpers removed,
• With power feeding, both jumpers set.
For 100 Ohms adaptation, jumpers can be used in sending, in receiving or in
sending/receiving.
You find below some examples of configurations according to the position of the
jumpers:
100 Ohms Adaptation
Receiving Pair
Power supply 30 VP
100 Ohms Adaptation
Sending Pair
Power supply 30VN
Not used
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