Getting Started
Issue 5 - 04/01 2-5
Connect the new connection to the RJ45 connector located
at the base of
AuroraPlus.
The Network Terminator (NT) must be disconnected before
connecting
AuroraPlus to a U Interface line. The Terminal
Equipment (TE) must be disconnected before
AuroraPlus is
connected to an S Interface Point-to-Point connection.
After connection onto either the S or U Interface, the display
indicates Idle. When you try to make a call the unit initialises
the connected interface. On the S Interface this is almost
instantaneous and is not visible. On the U Interface this can
take a minute or so. During this time INIT U is displayed.
When the interface is initialised, the call progresses to the
next stage of the call establishment procedure.
POTS Check Switch (Only via U Access Cable)
The POTS Check function is activated by the POTS Check
Switch, marked 'POTS CHK'. The high impedance circuitry
means that the handset can be used to listen to analogue
signals on the line. The switch has two positions:
UP POTS Check is off
DOWN POTS Check is on
When the TERM switch is in the DOWN position, if the
line is idle, when you press the TERM Switch the unit draws
analogue dial-tone.
Important Note
The POTS CHK switch must be in the UP position, before
connecting
AuroraPlus to the U Interface line, to avoid
introducing bit errors. Do not change the position of the
switch while the tester is connected to the line.
Chap02.P65 30/04/01, 16:305
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