5 Mechanical Overview
The following sections contain a brief overview of the devices that you will be interacting with
along with the associated hardware. The intent is to give you a working knowledge of how the
system operates under normal circumstances.
5.1 COM400 Chassis
Figure 3 below is a front and rear view of the COM400 chassis.
Figure 3 COM400 Chassis
➢ Requires 3 RU rack space
➢ MTFB (Mean Time Before Failure) >43,800 hours (five years)
➢ Chassis number assigned via dipswitch below top panel access panel.
➢ Ventilation flows from front air vents to rear exhaust fans. Maintain adequate space for free air
flow through system
➢ Chassis has slots to accept six COM51 and two QAM20 cards
➢ COM51 and QAM20 cards are assigned default IP addresses per location in chassis and chassis
number.
➢ 10 Gigabit backplane Ethernet
➢ 10 Gigabit Ethernet switch configurable for Multicast Filtering, IGMPv2 Snooping
Equipped with 4 ethernet ports:
➢ Two 10 gigabit ports
➢ Two 1 gigabit ports
➢ All ports support auto-negotiate per IEEE802.3-2015 specification. (Any Network interface device
will connect to any port).
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