Alexander, with first file on comment 21 I got this:
/lib/udev/nm-modem-probe --verbose --export /dev/ttyUSB0
L: main(): probing /dev/ttyUSB0
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: 'AT+GCA'
': modem_wait_reply(): Got: 'AT+GCAP
L: modem_wait_reply(): Got: 'AT+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: 'AT+GCA'
': modem_wait_reply(): Got: 'AT+GCAP
L: modem_wait_reply(): Got: 'AT+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
ID_NM_MODEM_PROBED=1
L: main(): /dev/ttyUSB0: caps (0x0)
--------------------------------------------------------------------------------------------------------

/lib/udev/nm-modem-probe --verbose --export /dev/ttyUSB1
L: main(): probing /dev/ttyUSB1
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: '

^BOOT:22607671,0,0,0,86

T+GCA'
L: modem_wait_reply(): Got: '

^BOOT:22607671,0,0,0,86

'+GCAP
L: modem_wait_reply(): Got: '

^BOOT:22607671,0,0,0,86

T+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: 'AT+GCA'
': modem_wait_reply(): Got: 'AT+GCAP
L: modem_wait_reply(): Got: 'AT+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
ID_NM_MODEM_PROBED=1
L: main(): /dev/ttyUSB1: caps (0x0)
--------------------------------------------------------------------------------

With second file I got this:
/lib/udev/nm-modem-probe --verbose --export /dev/ttyUSB0
L: main(): probing /dev/ttyUSB0
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: 'AT+GCA'
': modem_wait_reply(): Got: 'AT+GCAP
L: modem_wait_reply(): Got: 'AT+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: 'AT+GCAP'
': modem_wait_reply(): Got: 'AT+GCAP
L: modem_wait_reply(): Got: 'AT+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
ID_NM_MODEM_PROBED=1
L: main(): /dev/ttyUSB0: caps (0x0)
---------------------------------------------------------------

/lib/udev/nm-modem-probe --verbose --export /dev/ttyUSB1
L: main(): probing /dev/ttyUSB1
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: '

^BOOT:22607671,0,0,0,86

T+GCAP'
L: modem_wait_reply(): Got: '

^BOOT:22607671,0,0,0,86

'+GCAP
L: modem_wait_reply(): Got: '

^BOOT:22607671,0,0,0,86

T+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
L: modem_send_command(): Sending: 'AT+GCAP
'
L: modem_wait_reply(): Got: 'AT+GCA'
': modem_wait_reply(): Got: 'AT+GCAP
L: modem_wait_reply(): Got: 'AT+GCAP
+CME ERROR: SIM PIN required
'
L: modem_probe_caps(): timed out waiting for GCAP reply (idx -2, term_idx -1)
ID_NM_MODEM_PROBED=1
L: main(): /dev/ttyUSB1: caps (0x0)
-------------------------------------------------------------------------

Always restarted after substitution. If I must insert a SIM PIN, please tell me how with this command. Thanks.