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ArcLight Hub User’s Guide
General System Description
Rev. 001 1081006 1-7
Table 1-1. MCD II Blade Set.
Card Number
Utility card II 2
CDC 1 to 10
System Controller 2
Chassis Health Monitor 2
The UC-II filters the IF input and provides enough amplification to
overcome the losses incurred in the MCD internal 10-way splitter. The
UC-II also receives the 10 MHz reference input and creates a phased-
locked 93 MHz clock that is distributed to all CDC cards in the ABS
chassis.
The CHM monitors the power supply (PS) Failure signals directly, and
Power Supply voltages, chassis temperature, and Blower/Fan RPM. The
System Controller queries the WAM for this information, and then
sends the Power Supply voltages and chassis temperature values to the
NMS. If a Power Supply fails, or the Blower/Fan RPM goes to zero, a
trap is set to alert the NMS operator.
PCMAHC
The PCMAHC (VPCMA-70) contains the components necessary to allow
outbound and inbound satellite signals to operate in the same satellite
bandwidth. The unit interfaces with the FLM, MCD, and the
appropriate up/down converters using the 70 MHz IF. The PCMAHC
may be operated remotely using user-provided SNMP Manager software
loaded on any computer that has access to the Hub data LAN. If the
Hub system network uses two transponders a PCMAHC is not used in
the system configuration.
PBR
Access to and from the Internet or company intranet is through an
enterprise policy router (PBR) and an Ethernet switch with 100 base T
interfaces. The default address plan for an ArcLight Hub system
network is illustrated in Figure 1 5.