40
Figure 1-24 Station-Master Computer – Rear View
The Station-Master Computer is housed in a standard 3.5U (6.125inH x 13.25inD x 19inW) rack mount
chassis (Figure 1-24). At the time of the printing of this document, the standard specifications for this
computer were:
• Fanless Industrial Embedded Controller
• Rugged Design for Shock/Vibration Protection
• Wide Operating Temperature (-40 ~ 70˚C)
• Wide Range DC Power Input (10 ~ 28V)
• Intel
®
Core i5-520M (2.4GHz) CPU
• Intel
®
QM57 Chipset
• 8GB DDR3-1333MHz
• Onboard I/O and Expansion Slots (1 x PCIe x1, 1 x PCIe x8, 1 x Mini-card)
• Storage Slots (2 x 2.5” Bays for HD/SD Drives, 1 x PCI-e mSATA, 1 x CFast Card Slot)
• Linux (Ubuntu Server) or Windows 7™ Embedded Standard 32bit
• 40GB Solid State Drive for OS (Standard)
• 1 TB Enterprise Hard Disk for data storage standard (Solid State Drive Optional)
• 4 x RJ-45 GbE ports (Fiber ports optional)
• 4 x USB 2.0 ports
• SVGA Display Port
• 56k Modem
• 3U (5.25 x 19-inch) Rack Mount Enclosure
• 5-Year Warranty
1.4 Optional Peripherals
These devices are not required for normal operation of the M9000 DME system.
1.4.1 GPS Receiver
A GPS receiver is used to provide an IRIG-B time code to the DME system. These devices are
available from several manufacturers. Refer to regional standards to determine whether a satellite-
synchronized time source is required. Refer to the manufacturers documentation for distance
limitations on the antenna feed line and the receiver output lines.