Mitel SX-200 Documentation page 607

SECTION MITL9105/911 o-096-31 5-NA
(b)
(d)
03
mounted on the board, and are accessible from the rear of the
housing.
DISPLAY ASSEMBLY. A PCB assembly of LED arrays and
7-segment displays to which a laminated graphic artwork panel
is attached. The Display Assembly holds the LEDs for the fol-
lowing individual displays (see Figure 4-l(a)):
Trunk Group Status
Calls Waiting
Equipment Status Field
Source
Destination.
HOUSING BOTTOM.
The plastic moulded bottom of the con-
sole housing.
HOUSING SHIELD.
An aluminum plate made to fit in the hous-
ing bottom, which connects to the top shield and provides a
path to ground for static discharge.
HARNESS ASSEMBLY.
Two pairs of handset jacks and a speak-
er are connected to the motherboard via a wiring harness. The
phone jacks are mounted on the card guides which are chan-
neled into the housing bottom. The speaker fits into channels in
the back wall of the housing bottom.
4. FUNCTIONAL DESCRIPTION
General
4.01
The Attendant Console faceplate layout shown in Figure 4-l(a)
applies to the normal commercial type of PABX installation. The
button designations change to meet the different requirements for a
Hotel/Motel installation
or
when the console is used for programming
and maintenance (Parts 5 and 6). The following description details the
function of the buttons (shown in Figure 4-l(b)), the indicators, dis-
plays and audible tone signals.
Buttons and Indicators
4.02 Each functional
button
on the Attendant Console has a Light
Emitting Diode (LED) mounted and visible on the surface of the
button. The function of each button is designated on the strip imme-
diately under the button. The state of the LED indicates the condition
of the button:
0
Flashing LED - the system expects a response from the asso-
ciated button.
0
Lit LED - the associated button is presently active.
. . I,.
i
l
Off LED - the feature is not active.
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