SB6 is a two-node ORBIT sandbox at WINLAB (Route 1, North Brunswick, NJ), designed around the USRP X310 — the 10 G-attached, FPGA-equipped SDR platform. Each node (node1-1.sb6, node1-2.sb6) has a directly-attached X310 reachable over a dedicated 10 G NIC. SB6 was the first sandbox with a data2 plane (three-plane control + data1 + data2 topology).
SB6 is for X310 development. For a B210-USB sandbox use SB5. For attenuator-controlled topologies use SB4.
Both nodes are identical Q87T-class ORBIT nodes:
| Component | Value |
|---|---|
| Mainboard | ASUSTeK Q87T |
| CPU | Intel Core i7-4790 @ 3.60 GHz (4 cores / 8 threads) |
| RAM | 16 GB DDR3-1600 |
| Disk | Samsung SSD 850 (~238 GB) |
| WiFi 0 | Qualcomm Atheros AR928X (PCIe) |
| WiFi 1 | Intel Centrino Advanced-N + WiMAX 6250 |
| SDR | USRP X310 + 2× UBX-160 daughtercards (10 G ethernet via dedicated NIC) |
The two X310s are interconnected via coax with 60 dB of attenuation in the TX/RX path of each link, designed for FDD-dependent experiments.
Each X310 connects to its node via a 10 G interface adapter installed in Port 1 of the USRP. The X310's default management IP is 192.168.40.2 (see the X310 user manual); configure the host's SDR-facing NIC with an address in 192.168.40.0/24 to reach it. The baseline-sdr.ndz image does this out of the box.
Power to each X310 is provided by its host node — the node's power state determines the X310's power state. To reset an X310 attached to node1-1:
omf tell offh -t node1-1
omf tell on -t node1-1
Note: an OMF reset does not cycle the USRP because the node is never powered off during a reset; the USRP keeps its rail. Use offh → on for a true SDR power-cycle.