Upper; Keyboard Layout; Lower Assembly - Mitel SX-200 Manual

2. PHYSICAL DESCRIPTION

Upper

Keyboard Layout

Lower
2.01 The Attendant Console housing measures 39.4 cm (15.5 inches)
long, 10.2 cm (4.0 inches) high, and 22.9 cm (9.0 inches) deep.
The Attendant Console is shown in Figure 2-l: SX-200 DIGITAL PABX
Attendant Console. The weight of the console is 2.27 kg (5.0 lb) and
consists of two major assemblies: an upper and lower assembly.
Assembly
2.02 The upper assembly consists of the following parts:
Keyboard Printed Circuit Assembly: A printed circuit board assembly
with 32 keys, a dial pad (12 keys) and a cable harness. The cable
harness plugs into the Console Printed Circuit Assembly.
Housing Top: The plastic moulded top of the Attendant Console
housing which encloses and protects the console circuitry.
Alphanumeric Liquid
which facilitates Attendant
of a 5 X 7 dot matrix display.
Keyboard Designation
key designations.
2.03 The console keyboard consists of a standard 12 key keypad, 10
Display Associative
volume control keys, 2 contrast control keys, and 14 fixed keys, seven
of which have associated LED indicators. The status of the indicator
displays the condition of the key:
l
Indicator flashing - the system expects a response from the
associated key.
Indicator solid - the feature associated with the key is active.
l
Indicator off - the feature is not active.
Assembly
2.04 The lower assembly consists of the following parts:
Console Printed Circuit
which holds the main console circuits, power supply circuitry and
processor. Slots are provided into which the keyboard assembly,
speaker and handset jack leads are plugged.
Housing Bottom: The moulded plastic bottom of the Attendant Con-
sole housing.
LCD Adjustment:
either CONTRAST key, until the desired level is achieved.
Attendant
Crystal Display: A
Console operation.
Cover: A transparent
Keys (softkeys),
Assembly: A
The contrast is controlled repeatedly pressing
Console Description
4-line x 80-character
Each character consists
cover with silkscreened
4 cursor control keys,
printed circuit board
Page 3
LCD
2
(PCB),