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Diffstat (limited to 'host/docs/usrp2.rst')
| -rw-r--r-- | host/docs/usrp2.rst | 38 |
1 files changed, 3 insertions, 35 deletions
diff --git a/host/docs/usrp2.rst b/host/docs/usrp2.rst index b3238d801..d0b1c9a87 100644 --- a/host/docs/usrp2.rst +++ b/host/docs/usrp2.rst @@ -335,39 +335,8 @@ Test the PPS input with the following app: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Internal GPSDO ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -Please see the GPSDO application note for information on configuring and -using the internal GPSDO. - -**Installation instructions:** - -1. Remove the daughterboard. -2. Move J510 jumper on the motherboard from 1-2 to 2-3 in order to switch from external 10 MHz Ref Clock to GPSDO’s 10 MHz Ref Clock -3. Screw the GPSDO module in place with the screws provided. The screws are treated to avoid loosening with vibration. -4. Connect the GPSDO power cable to J509 on the motherboard, and then to connector D on the GPSDO module -5. Connect an SMB to SMA cable between connectors B and J506 (PPS2) -6. Connect an SMB to SMA cable between connectors C and J507 (CLK REF2) -7. Connect the serial cable between connectors A and J312 (RS232-3) on the motherboard. If J312 on your USRP isn’t a keyed connector, please ensure to connect pin1 (TX) of connector A to pin3 (RX) on J312. -8. Remove the washer and nut from the MMCX to SMA-Bulkhead cable. Connect it to connector E and then insert SMA-Bulkhead connector through the hole in the rear panel. Tighten nut to fasten in place. -9. Replace the daughterboard pushing all the cables underneath. - -Then run the following commands: -:: - - cd <install-path>/share/uhd/utils - ./usrp_burn_mb_eeprom --args=<optional device args> --key=gpsdo --val=internal - -**Removal instructions:** - -Restore the jumper setting, disconnect the cables, and unscrew the GPSDO unit. -Then run the following commands: -:: - - cd <install-path>/share/uhd/utils - ./usrp_burn_mb_eeprom --args=<optional device args> --key=gpsdo --val=none - -**Antenna Types:** - -The GPSDO is capable of supplying a 3V for active GPS antennas or supporting passive antennas +Please see the `Internal GPSDO Application Notes <./gpsdo.html>`_ +for information on configuring and using the internal GPSDO. ------------------------------------------------------------------------ Miscellaneous @@ -381,8 +350,7 @@ they can be queried through the API. * mimo_locked - clock reference locked over the MIMO cable * ref_locked - clock reference locked (internal/external) -* gps_time - GPS epoch seconds (available when GPSDO installed) -* gps_locked - GPS lock status +* other sensors are added when the GPSDO is enabled ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Multiple RX channels |