Juniper LN1000 User Manual page 26

LN1000 Mobile Secure Router
Switch Bank
S2
12
Description
Switch 1, WD_INH_L. This switch has no effect.
Switch 2: NVMRO. This signal controls the ability to write to the system non-volatile
memory. This switch is off to allow read-only access to system non-volatile memory.
Set this switch to on to enable writing to non-volatile memory.
If you set the NVRMO switch to off, note the following precautions:
Do not boot from USB storage device; router performance will be degraded.
Do not use J-Web; unpredictable results may occur.
Do not use the CLI command
occur.
Switches 3 and 4 must be off for normal operation.
request system software add ; unpredictable results may