Model Number: NT-277M
Brand Name: N-NET
Key Specifications/Special Features:
Key feature:* Zero-delay automatic forwarding* Supporting three types of interfaces: RS-232/485/422* Automatic detection of serial port rate judgment and control of data transmission direction* Working wavelength: 850nm (multi-mode): 1310nm (single mode)* Maximum communication rate:* Optional optical interfaces: SC/ST/FC* Up to 2 kilometers in multi-mode transmission and up to 40 kilometers in single mode transmission* Broad voltage inputs: 5-40V DC or 85-265VAC* Interface supports 1500W surge protection and 15KV ESD protection* External power supply
Parameter | Specifications |
Standard | In compliance with EIA RS-232 and RS-485 standards |
RS232 signal | IN, out, GND |
RS-485 signal | D+, D-, GND |
RS-422 signal | R+, R-, T+, T-, GND |
Fiber Signal | IN, out |
Working mode | Asynchronous working mode, point-to-point |
Direction control | Adopting automatic data flow control technology, supporting automatic judgment and control of data transmission direction |
Baud rate | 0-500Kbps,automatic detection of signal rate |
Fiber wavelength | Multi-mode: 850nm;single mode:1310nm |
Transmission distance of electrical interface | RS-232 interface: 15 meters: RS-485/422 interface:1200 meters |
Transmission distance of optical interface | Multi-mode: 2km; single mode: 20km |
Load capacity | RS-485/422 interface supports 32 nodes (128 nodes customizable |
Interface protection | 600W surge protection,1500V ESD protection |
Data interface | 8-pin connector or DB9 |
Maintaining temperature | -40℃ to 85℃ |
Maintaining temperature | -40℃ to 85℃ |
Humidity | 5%-95%RH |
Input power | 12V input |
Power Consumption | 2W |
Shipping Information:
- FOB Port: Shenzhen
- Lead Time: 3 - 7 days
Main Export Markets:
- Asia
- Australasia
- Central/South America
- Eastern Europe
- Mid East/Africa
- North America
- Western Europe