RACKS CABINETS & S, C,
however, requires a powerful IPMC management processor on the CU with dual IPMB connections to the MCH. In order to face the commercial challenge, Pentair uses a lower cost
implementation in their small 2-slot chassis. This CU uses a small processor with just a private I2
C connection to the
MCH. In this case, the MCH includes special firmware that treats the low cost CU as if it were a normal CU. From the user’s perspective there is no difference in function or performance between the regular CU and the low cost CU.
S GNAL I IN EGRITY DATA TRANSFER
SIGNALI DAT
A
NTEGRITY TO ENSURE HIGH ENSURE HIGH ANSFER
Besides cooling and power supply, the backplane of the system is another important device with huge impact on performance. The common purpose of a backplane is the interconnection between all devices, including but not limiting to the AMC modules.
A high data transfer rate requires sophisticated routing as well as test capabilities to ensure the signal integrity. As mentioned before, MicroTCA offers different interface protocols for high speed data transfer. SATA, Fat Pipe and the Extended Fat Pipe for PCI Express are connected between the two slots and offers a data transfer rate of up to 64Gbs.
AND CON ROL
MAINTAIN SYSTEM MONI ORINGNITORING AND CONTROL
MAINTA AIN EM MO
Another highlight of this system is the embedded Micro Carrier Hub. Why does such a small system need a MCH? For NAT as well as for Pentair it’s very important to maintain their products within the standards of PICMG. So, the major goal here is to provide an attractive platform with regards to commercial and technical aspects and still keep the whole systemcompliant to the open standard specification.
ETS & ENCLOSURES
SUPPLEMEN
The intended configuration can be set through NATView, which is a
visualisation and management tool for MicroTCA. The embedded MCH is fully compatible to all existing NAT MCH’s which maintains a clear migrati from a small system
in case the application grows and requires a larger infrastructure.
The eMCH supports and manages the AMC modules the cooling units and the load sharing of the system. As soon as a AMC is inserted, the MCH starts the communication through the IMPI bus, reads the e-keying of the AMC and enables the power once the AMC is
,
identified. Further the eMCH provides the clocking and a 1Gb Base fabric to both AMC slots and a 1Gb uplink through the systems front panel. That allows a full management and fault isolation of the power
supply, the cooling unit and of cause the AMC’s. Another important
function of the eMCH is hot swap ability. This allows the user to remove or insert AMC’s even during operation. The feature is originally required for high availability systems in the energy or telecom market. Even for systems in
automation or transportation applications it may be important to replace an AMC without the need to shut down the system. Via SNMP or RMCP the MTCA system can be integrated in existing
management architectures. Figure 2:
Figure 2: Tw
eMCH
with eM
Figure 3:
Backplane topology 2-topology 2- Slot MT A with eMCH
Figure 3: Backplane
Slot MTCA with eM
Two-slot MTCA system with
wo-slot MT A system
HIGH GRADE OF SERVICEABILITY AND SCALABILITY The simple construct makes it very service
components are easy to replace or
maintain. The top cover can be removed by undoing a few screws, allowing the fan unit and air filter to be easily
replaced. Small indentations in the base and top plates allow rubber feet (included) to be attached.
This feature allows for stacking of multiple systems and therefore scaling the number of slots.
With the two-slot MTCA System with embedded MCH Pentair offers a real turnkey solution. The user does not need to worry about the
environment including housing, cooling and power supplier. By inserting the appropriate AMCmodules, the application can be easily created. With the management features the system provides a high grade of performance and reliability. Any failures are predictable and can be isolated and eliminated before it occurs The open standard approach reduces the engineering cost and optimises the time-to-market. Further it offers a high grade of flexibility to keep the application always up to date.
.
Foremost Electronics
www.4most.co.uk
www.4most.co.uk T: 01371 811171
HIGH GRADE OF SERVICEABIL TY AND SCALABIL TY
-friendly; individual ion of the system
SUPPLEMENT
to a larger system, on path
+ / ELECTRONICS ELECTRONICS ELEC ROELECTRONICS CS | SEP EMBER 201 SEPTEMBER 2017 S9 S9
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