==== SB2 ==== [[TOC(Hardware, Hardware/bDomains, Hardware/bDomains/cSandboxes*, depth=6)]] ===== RF Connections ===== The X310's connected to the nodes in this sandbox are interconnected via coax cables as follows with a 30dB attenuator on the TX/RX side of each link for protection. This setup is designed to facilitate FDD dependent experiments. [[Image(SB2 X310 Connections.png)]] [[BR]] ===== Using of images based on baseline before June 9, 2017 ===== Images built using baseline prior to June 9, 2017 may not work correctly. After imaging, the node will not be accessible via SSH due to the add-on NIC (for X310 connectivity) changing the order of the ethernet interfaces. To repair your image, connect to the node via the [wiki:Hardware/jCM/dCM3/dUsage#SerialConsoleoverTelnettunnel CM serial console] and run the following commands. {{{ echo "blacklist mlx4_core" >> /etc/modprobe.d/blacklist.conf echo "mlx4_core" >> /etc/modules depmod -a update-initramfs -u reboot }}}