3onedata NP302T Series Serial Device Server
Package Checklist
Please check whether the package and accessories are intact while using the serial device server for the first time.
- Serial Device Server 2. Quick installation manual
- CD 4. Straight-through cable
- Power adapter 6. Warranty card
- Qualify certificate
- RS-232 serial port RJ45 to DB9-Male cable (only for RS-232 device)
If any of these items are damaged or lost, please contact our company or dealers, we will solve it ASAP.
Product Overview
The product is serial device server which can provide serial device with networking capability instantly. Module as follow:
Model I.
NP302T-2D(RS-232) (2 RS-232 serial ports + 1 100M Ethernet copper port)
Model II.
NP302T-2D(RS-485) (2 RS-485/422 serial ports + 1 100M Ethernet copper port)
Panel Design
Model I: Top view, Bottom view and Rear view
Model I: Front view and Side view
- RS-232 serial port
- 10/100Base-T(X) 100M Ethernet copper port
- DIP switch
- Power input terminal block
- Mounting lugs
- 100M Ethernet copper port status indicator
- Power input status indicator
- Serial port transmission and receiving data indicators
Model II: Top view, Bottom view and Rear view
Model II: Front view and Side view
- RS-485/422 serial port
- 10/100Base-T(X) 100M Ethernet copper port
- DIP switch
- Power input terminal block
- Mounting lugs
- 100M Ethernet copper port status indicator
- Power input status indicator
- Serial port transmission and receiving data indicators
Mounting Dimension
Unit: mm
Note Before Mounting:
- Don’t place or install the device in area near water or moist, keep the relative humidity of the device surrounding between 5%~95% without
- condensation. Before power on, first confirm the supported power supply specification to avoid over-voltage damaging the device.
- The device surface temperature is high after running, please don’t directly contact to avoid scalding
Wall Mounting
Step 1
On the wall of device mounting, place the device on the wall for reference or reference the mounting dimension to mark the two screws position.
Step 2
Nail M4 screws on the wall and keep 2mm interspace reserved.
Step 3
Hang the device on two screws and slide downward, then tighten the screw to enhance stability, mounting ends.
Device Disassembling
Step 1
Device power off.
Step 2
Unscrew the screw on the wall about 2mm.
Step 3
Lift the device upward slightly; take out the device, disassembling ends.
Note Before Powering on:
- Power ON operation: first connect power line to the connection terminal of device power supply, then power on.
- Power OFF operation: first unpin the power plug, then remove the power line, please note the operation order above.
Power Supply Connection
- DC power supply
The serial device server provides 2-pin 5.08mm pitch industrial terminal blocks, in which V+ and Vare DC input. The power supply has nonpolarity and anti-reverse functions, Power supply range: 9〜
DIP Switch Setting
Provide 4-bits DIP switch for function setting, where “ON” is enable valid terminal. Please power off and power on after changing the status of DIP switch. DIP switch definition as follow:
| DIP | Definition | Operation |
| 1 | Reserved | – |
| 2 | Restore factory setting | Set the code to ON and power on the device again, then set it back. |
| 3 | Reserved | – |
| 4 | Reserved | – |
Serial Port Connection
- RS-232 serial port
The Model I provides RS-232 port, serial device server adopts RJ45 connector. The PIN definition as follows.
PIN 123 4 5 6 7 8 RS-232 TXDRXDRTSCTSDSRGNDDTRDCD - RS-485/422 serial port
The Model II provides RS-485/422 port, Serial device server adopts 5.08mm pitch terminal block. The PIN definition as follows.
| COM1 | PIN | 1 | 2 | 3 | 4 | 5 |
| RS-422 | T+ | T- | GND | R+ | R- | |
| RS-485 | D+ | D- | GND | – | – | |
| COM2 | PIN | 6 | 7 | 8 | 9 | 10 |
| RS-422 | T+ | T- | GND | R+ | R- | |
| RS-485 | D+ | D- | GND | — | — |
Checking LED Indicator
The device provides LED indicators to monitor the device working status with a comprehensive simplified troubleshooting; the function of each LED is described in the table as below:
| LED | Indicate | Description |
| PWR | ON | The power connection is operating normally. |
| OFF | The power is not connected or is not working properly. | |
| LINK | ON | The Ethernet interface has established an active network connection. |
| Blinking | The Ethernet interface is in a network activity state. | |
| OFF | The Ethernet interface does not establish an active network connection. | |
| TX (1-2) | OFF | No data or abnormal data is being transmitted through serial port. |
| Blinking | Serial port is transmitting data. | |
| RX (1-2) | OFF | No data or abnormal data is being received through serial port. |
| Blinking | Serial port is receiving data. |
Logging in to WEB Interface
This device supports WEB management and configuration.
Computer can access the device via Ethernet interface. The way of logging in to device’s configuration interface via IE browser is shown as below:
Step 1 Configure the IP addresses of computer and the device to the same network segment, and the network between them can be mutually accessed.
Step 2 Enter device’s IP address in the address bar of the computer browser.
Step 3 Enter device’s username and password in the login window as shown below.
Step 4 Click “OK” button to login to the WEB interface of the device.
Note:
- The default IP address of the device is
- “192.168.1.254”. The default username and password of the device is “admin”.
- If the username or password is lost, user can restore it to factory settings via device DIP switch or management software; all modified configurations will be cleared after restoring to factory settings, so please backup configuration file in advance.
- Please refer to user manual for specific configuration method of logging in to WEB interface and other configurations about network management function.
Specification
| Panel | |
| 100M copper port | 10/100Base-T（X）self-adapting RJ45 port, full/half duplex self adaption, MDI/MDI-X selfadaption |
| RS-232 serial port | RJ45 port |
| RS-485/422 serial port | 10-pin 5.08mm pitch terminal block |
| Indicator | Power indicator, Ethernet port indicator, Serial port transmission and receiving data indicator |
| Power supply | |
| Input power supply | 9~48VDC, anti-reverse connection |
| Access terminal | 2-pin 5.08mm pitch terminal block |
| Consumption | |
| NP302T-2D (RS-232) | No-load: 0.72W@24VDC Full-load: 0.77W@24VDC |
| NP302T-2D (RS-485) | o-load: 1.01W@24VDC Full-load: 1.03W@24VDC |
| Working environment | |
| Working temperature | -40~75℃ |
| Storage temperature | -40~85℃ |
| Working humidity | 5%~95% (no condensation) |
| Protection grade | IP40 (metal shell) |
CUSTOMER SUPPORT
Address:
3/B, Zone 1, Baiwangxin High Technology
Industrial Park, Xili, Nanshan District,
Shenzhen
Website
www.3onedata.com
Tel:
+86 0755-26702688
Fax:
+86 0755-26703485
Documents / Resources
 |
3onedata NP302T Series Serial Device Server [pdf] Installation Guide NP302T-2D RS-232, NP302T-2D RS-485, NP302T Series Serial Device Server, NP302T Series, Serial Device Server, Device Server, Server |