This document is the HW specification for the W232N, an industrial Ethernet to RS232 data conversion device.
- RS232 to Ethernet protocol conversion device
- Supports Modbus TCP to Modbus RTU/ASCII protocol conversion
- Enables easy implementation of Ethernet into existing serial devices
- KC,FCC certified to ensure high system stability and reliability
- Supports 10/100Mbps Ethernet and up to 230kbps serial speeds
- Supports RS232C standard with D-SUB9 port
- Supports password setting for device discovery
- Supports AT command via D-SUB9 port
- Configurable with Config-tool
- Supports Web Config
- Wide input voltage 5~36V
- Industrial-standard operating temperature -25~80°C
- Supports DIN rail (DIN 46277) mounting
- Protected against ESD
The package of W232N is organized as follows.
- W232N
- 5V 2A power adapter
- Ethernet cable
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| W232N Revision 1.0 Front |
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| W232N Revision 1.0 Back |
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| W232N Revision 1.0 LED |
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| W232N Revision 1.0 RJ45,power jack |
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| W232N Revision 1.0 DSUB |
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| W232N Revision 1.0 Dimension |
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| W232N Revision 1.0 DB9M port |
| Pin Number | Signal | Description |
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| 1 | DCD | NC |
| 2 | RXD | Receive Data |
| 3 | TXD | Transmit Data |
| 4 | DTR | Data Terminal Ready |
| 5 | GND | System Ground(Signal Ground) |
| 6 | DSR | Data Set Ready |
| 7 | RTS | Request To Send |
| 8 | CTS | Clear To Send |
| 9 | RI | NC |
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| W232N Revision 1.0 RJ45 port |
| Pin Number | Signal | Description |
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| 1 | TXP | TX+ |
| 2 | TXN | TX- |
| 3 | RXP | RX+ |
| 4 | NC | PoE+ or PoE- |
| 5 | NC | PoE+ or PoE- |
| 6 | RXN | RX- |
| 7 | NC | PoE- or PoE+ |
| 8 | NC | PoE- or PoE+ |
- PoE is only available on models that support it.
- When using PoE, the polarity of pins 4,5 and 7,8 must be different.
- If pin 4,5 is +, then pin 7,8 is -, or if pin 4,5 is -, then pin 7,8 is +.
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| W232N Revision 1.0 Reset SW |
- The top case can be removed by removing the bolts (M3) on each side of the W232N.
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| W232N Case bolts |
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| AT Mode SW |
- You can use an AT Morse switch to enter serial command mode.
For more information, see How to use the AT command in the Manual below.
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| Factory Reset SW |
- You can use the factory reset switch to factory reset your device.
For detailed instructions, see the Factory Reset guide in the Manual below.
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| Boot SW |
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| W55RP20 Boot SW |
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| USB Header |
-The USB header is used to upload and update the FW after the W55RP20 enters BOOT mode.
For detailed instructions, see the FW update guide in the Manual below.
The W232N can be powered via a DC jack, terminal block, or RJ45 jack if the product is PoE-enabled.
The available voltage is 5 V to 36 V.
If the polarity is reversed when power is applied, a protection circuit will prevent the power from being turned on.
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| Power LED |
During normal operation, the POWER LED will be solid red and the RUN LED will flash in 1-second cycles, confirming that the W232N's FW has booted successfully.
| H/W version | Filetype | Download Link | Remarks |
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| 1.0 | Step |  Download | - |