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2.1.6 Connect the M12 serial connector with RS232/RS422/RS485 cable,
ports are not used shall be caped that comes with the package to insulate the
surrounding.
(Only on -2S, -2SA or -2SB models)
Note:
The serial connectors are only for connecting RS232 or RS422 or
RS485, depending on models. (Model name -2S: RS232; Model name -
2SA: RS422; Model name -2SB: RS485)
DO NOT
connect Ethernet or
PoE to serial ports. It may cause damage to the router.
2.1.7 Connect the pin1 & pin7 for 10 seconds and the router will be reset to
default
2.1.8 Connect the M12 connector to USB if needed
