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QMultiFlex-400™ Installation and Operating Handbook
5.5.2
LCD Display
The backlit LCD is a graphical display formatted to give three lines of 40 text characters
and is highly legible even in strong ambient light. The contrast is adjustable and the
backlight can be dimmed or brightened as required.
5.5.3
Keypad
The keypad (see Figure 5-3) is incorporated into a sealed tactile membrane and allows full
alphanumeric entry and navigation using arrow keys.
5.6 Rear Panel
The rear panel, shown in Figure 5-4, provides various ports for IP traffic, and local ground
station integration. Connector pinouts are defined in Chapter 11.
From left to right, the rear panel consists of:
•
IEC Mains Power Connector/Voltage Selector/Fuse
The modem is designed to operate from a mains AC supply of 90V to 264V (100W
50/60Hz). The IEC C14 appliance inlet incorporates two fuses, independently fusing
both live and neutral lines. Access to the fuses is provided by a slide-out tray. Unless
indicated differently on the chassis - both fuses are standard 20mm type, rated
T3.15A, of the slow-blow (time-delay) type. If a BUC PSU is installed these could be
5A fuses.
Figure 5-3 Front-panel Keypad
Figure 5-4 Rear Panel
5-6
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