User guide

Board Features
6 RTM8050
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2.2 USB 2.0 Interface
The RTM8050 feature two USB connectors on the faceplate.
USB features include:
• Capability to daisy chain as many as 127 devices per interface
• Fast bi-directional
• Isochronous/asynchronous interface
• 480 MBPS transfer rate
• Standardization of peripheral interfaces into a single format
• Backward compatible with USB 1.1 devices
USB supports Plug and Play and hot-swapping operations (OS level). These features allow USB devices to be
automatically attached, configured and detached, without reboot or running setup.
Table 2-1:USB Connector Pinout
2.3 SAS Onboard Controller
The SAS controller is only offered through the RTM on which the controller is located. The controller used is
the 4 ports PCI-express from LSI: LSISAS1064e. The controller has access to
• Front board AMC bay SAS port
• HDD mounted on RTM8050
• Two external links
To achieve a redundant scheme two more interfaces are routed from external connector to RTM and AMC
HDDs.
Pin Signal
1 VCC
2 DATA-
3 DATA+
4 GND
Signal Path:
The USB Port are available through the RTM face plate (J7).