You could either use a product like CSM to maintain configs or export the configs directly from the device.
For copying it off via SCP, setup your host-key first
MIDXXX02S# conf t
MIDXXX02S(config)# ssh host-key 192.168.1.10
MD5 fingerprint is 7F:5C:45:4A:C7:9E:15:36:B7:52:7A:20:5B:0C:8C:E4
Bubble Babble is xeter-vupan-fosal-vaven-febug-silyn-hevef-kyrug-tybyh-guniz-vaxux
Would you like to add this to the known hosts table for this host?[yes]:
# copy current-config scp:
User: valid-user
Server's IP Address: 192.168.1.10
Port[22]:
File name: sensor-backup
Password: *******
current.cfg 100% 321KB 0.0KB/s 00:00
