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1.5 Product Appearance
The introduction to the FBs-CBEH series expansion board’s appearance and function
parts are as follows:
FBs-CBEH：
① NP jumper: When the jumper is set on the left two pins, it is not
password-protected.
② Boot jumper: When the jumper is set on the left two pins, it will be forced to
enter Boot operation mode when started up.
③ Expansion board status indicator (Run): When operating normally, this indicator
will flicker rapidly; when entered the Boot operation mode, this indicator will
flicker slowly.
④ Ethernet status indicator (Link): When this is on, it means that the internet
connection is normal.
⑤ Ethernet transmitting status indicator (Tx): When this is on, it means that the
expansion board is currently sending message to the Ethernet.
⑥ Ethernet receiving status indicator (Rx): When this is on, it means that the
expansion board detected that there are messages appear on the Ethernet.
⑦ CPU module’s Port2 TX red signal indicator: When this is on, it means that there
are messages being sent to this expansion board from Port2 of the CPU module.
⑧ CPU module’s Port2 RX green signal indicator: When this is on, it means that
Port2 of the CPU module received the messages sent by this expansion board.
⑨ CPU module’s Port1 TX red signal indicator: When this is on, it means that there
are messages being sent to this expansion board from Port1 of the CPU module.
⑩ CPU module’s Port1 RX green signal indicator: When this is on, it means that
Port1 of the CPU module received the messages sent by this expansion board.
⑪ Ethernet connector: RJ45 standard connector.
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