
NE-4110-ST  LED Indicators
LED Name | LED Color | LED Function | 
Power | red  | Indicates the power is on.  | 
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  | Steady on: Power is on and   | 
  | green  | functioning normally.  | 
  | Blinking:   | |
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Ready | 
  | function.  | 
  | 1. Power is off, or power error condition  | |
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  | steady off  | exists.  | 
  | 2. The IP address cannot be found in DHCP  | |
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  | mode.  | 
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  | 3. IP address conflict.  | 
DIO0  | red  | Indicates that DIO is in “low” (0) status.  | 
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DIO1  | red  | Indicates that DIO is in “low” (0) status.  | 
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DIO2  | red  | Indicates that DIO is in “low” (0) status.  | 
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DIO3  | red  | Indicates that DIO is in “low” (0) status.  | 
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TXD0  | red  | Indicates that TXD0 has a signal.  | 
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RXD0  | red  | Indicates that RXD0 has a signal.  | 
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DTR0  | red  | Indicates that DTR0 has a signal.  | 
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CTS0  | red  | Indicates that CTS0 has a signal.  | 
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DSR0  | red  | Indicates that DSR0 has a signal.  | 
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DCD0  | red  | Indicates that DCD0 has a signal.  | 
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RTS0  | red  | Indicates that RTS0 has a signal.  | 
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TXD1  | red  | Indicates that TXD1 has a signal.  | 
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RXD1  | red  | Indicates that RXD1 has a signal.  | 
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DB9 Male Connector for serial console  | DB9 Male Connector for Connecting Serial Devices  | ||||||||||||||
  | Pin  | Signal  | 
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  | Pin  | Signal  | 
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2  | RXD  | 5  | 
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  | DCD  | 5  | 
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3  | TXD  | 
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  | RXD  | 
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5  | GND  | 3  | 
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  | TXD  | 3  | 
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  | DTR  | 2  | 
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  | GND  | 
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  | 6  | 
  | DSR  | 
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  | 7  | 
  | RTS  | 
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  | 8  | 
  | CTS  | 
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  | TXD+ TXD- RXD+ RXD- SGND D0  | D1 D2  | D3  | 
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Data+ Data-