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4.1
Introduction
The modem is constructed as a 1RU high rack-mounting chassis, which can be
freestanding, if desired. Rack handles at the front facilitate removal from and placement
into a rack. Figure 4-1 shows the front panel of the modem.
4.2
Front Panel
USB LED Indicators
Figure 4-1. Front Panel (Earlier and Current Versions)
The CDM-Qx front panel features a Vacuum Fluorescent Display (VFD), a keypad, and
eight LED indicators. The user enters data via the keypad, and messages are displayed on
the VFD. The LEDs indicate, in a summary fashion, the status of the selected module.
Chapter 4. EXTERNAL
CONNECTIONS
Earlier Version – prior to June 2007
Keypad
Current Version – as of June 2007
4–1
Display (VFD)
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