Resolve RTSD-271 "B"

Closes RTSD-271

doc/erko_howto_tools.txt

@@ -497,6 +497,16 @@ ssh -L 3000:cs001c.control.lofar:80 kooistra@portal.lofar.eu http://localhost:30
 
 http://cs001c.control.lofar/jupyter/lab/tree/notebooks/Demo_and_test_scripts/MN/aps_status_mn.ipynb
 
+> SDPTR flash firmware from notebook on L2TS:
+image tot 29 mei 2024: 2024-02-22T10.29.57_dbc6375ef_lofar2_unb2c_sdp_station_full
+sdptr/flash.config: USER_IMAGE_UNB2C=${UNB2_IMAGES}/lofar2_unb2c_sdp_station_full-d601da896.rbf =
+  2024-03-02T18.27.19_d601da896_lofar2_unb2c_sdp_station_full
+
+http://cs001c.control.lofar/jupyter/lab/tree/notebooks/sdptr/test/notebooks
+
+
+test/notebooks/read_firmware_version_example.ipynb
+
 *******************************************************************************
 * HDL images to keep on dop349
 * . for lofar2_sdp and for disturb