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11
Seize each external line from each extension using all methods available.
Ensure that external dial tone is heard and that good transmission is
possible in both directions.
12
At each telephone extension check that the exchange line can be
accessed and put on hold by pressing the RECALL key on that telephone.
At extension 20, check that both exchange lines can be accessed and put
on hold by pressing the RECALL key on that telephone.
13
Ensure that exchange line(s) and terminals can be answered and rung as
configured. Check that the correct lines/numbers and extension are
called and that good transmission is possible in both directions.
14
Switch off the mains power and check the operation of the power fail
extensions 20 and 21.
15
Restore the mains power, and check that the system is fully operational.
Return the completed 2+8 Customer Configuration Form to the customer.
16
Commissioning procedure with no lines
6.1.3
connected
1
Fit and appropriately mark Telephone and System phone labels at all
equipped extensions.
2
Ensure that the MF /LD signalling of the System phones and telephones
are set as required.
Set switch 8 to the up position in the configuration Switch bank SWl.
3
Also ensure that all switches in all four banks are set as required (see
Section 2.1.13,
4
Replace CCU cover and follow the instrructions given in Section 4.1,
Safety precautions,
5
Check that the System mode
the extensions configured for call barring are correct and operational.
6
At each System phone extension check that the Loudspeaking facility on
System phones functions correctly by pressing the LOUDSPEAKER key or
EXTENSION key. Ensure that internal dial tone is heard and that the
volume can be adjusted.
7
Establish two simultaneous internal calls to check both speech paths are
operational. Intercom busy LED will be lit when the two internal calls are
established.
8
Ensure that the terminals can be answered and rung as configured.
Check that the correct lines/numbers and extension are called and that
good transmission is possible in both directions.
9
Switch off the mains power and check the operation of the power fail
extensions 20 and 21.
10
Restore the mains power and check that the system is fully operational
11
Return the completed 2+8 Customer Configuration Form to the customer.
TPU
1371Issue3(4/91)
Setting the
CCU DIL
switches).
and switch on.
(PBX,
Keysystem and Exclusive line) and
Commissioning the system
6-3
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