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Low speed data fiber modem
Category :
Textiles and clothing->Accessories->handbag accessories
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Product Specification
Model No:
NT-S277
Country
CN
Brand
N-net
Packing
carton
Minimum Order
1
Payment Term
L/C,Paypal,Western Union
Product Detail
<p class="MsoNormal">
<span>Overview </span>
</p>
<p class="MsoNormal">
</p>
<p class="MsoNormal">
NT-277 is a type of RS-232/RS-485/RS-422 serial port fiber optic modem. It adopts industrial standard design and its wall type outface design supports DIN-rail standard lead rail installation, featuring easy installation. Presently many users make use of RS-232/RS-485/RS-422 serial port fiber optic modem to solve the electromagnetic interference in engineers and to extend the RS-232/RS-485/RS-422 serial port transmission distance to several or even tens of kilometers.NT-277 can provide users with RS-232/RS-485/RS-422 serial port end-to-end transparent transmission. Since signals are transmitted over fibers and these optical signals are free of electrical conductivity, they have strong anti-interference capacity and are immune to high-voltage power or thunders.
</p>
<p class="MsoNormal">
<br />
</p>
<p class="MsoNormal">
Features
</p>
<p class="MsoNormal">
Zero-Delay automatic forwarding
</p>
<p class="MsoNormal">
Supporting three types of interfaces:RS-232/485/422
</p>
<p class="MsoNormal">
Automatic detection of serial port rate judgment and control of data transmission direction
</p>
<p class="MsoNormal">
Working wavelength:850nm(multi-mode):1310nm(single mode)
</p>
<p class="MsoNormal">
Maximum communication rate:500kbps
</p>
<p class="MsoNormal">
Optional optical interfaces: SC/ST/FC
</p>
<p class="MsoNormal">
Up to 2 kilometers in multi-mode transmission and up to 40 kilometers in single mode transmission
</p>
<p class="MsoNormal">
Broad voltage inputs:5~40V DC or 85~265VAC
</p>
<p class="MsoNormal">
The interface supports 1500W surge protection and 15KV ESD protection
</p>
<p class="MsoNormal">
External power supply
</p>
<p class="MsoNormal">
<br />
</p>
<p>
<br />
</p>
<p class="MsoNormal">
Specifications
</p>
<p class="MsoNormal">
</p>
<table class="MsoNormalTable" align="center">
<tbody>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Parameter
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Specifications
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Standard
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
In compliance with EIA RS-232 and RS-485 standards
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
RS232 signal
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
IN ,OUT,GND
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
RS-485 signal
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
D+,D-,GND
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
RS-422 signal
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
R+,R-,T+,T-,GND
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Fiber Signal
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
IN,OUT
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Working mode
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Asynchronous working mode, point-to-point
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Direction control
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Adopting automatic data flow control technology, supporting automatic judgment and control of data transmission direction
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Baud rate
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
0-500Kbps,automatic detection of signal rate
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoCommentText">
Fiber wavelength
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Multi-mode:850nm;single mode:1310nm
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Transmission distance of electrical interface
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
RS-232 interface:15 meters:RS-485/422 interface:1200 meters
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Transmission distance of optical interface
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Multi-mode:2KM; single mode:20KM
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Load capacity
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
RS-485/422 interface supports 32 nodes(128 nodes customizable
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Interface protection
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
600W surge protection,1500V ESD protection
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Data interface
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
8-pin connector or DB9
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Optical interface
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
FC
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Dimension
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
69mm(W)*100mm(D)*22mm(H)
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Operating temperature
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
-25℃ to 70℃
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Maintaining temperature
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
-40℃ to 85℃
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Humidity
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
5%-95%RH
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Input power
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
12V input
</p>
</td>
</tr>
<tr>
<td width="168" valign="center" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
Power Consumption
</p>
</td>
<td width="497" valign="top" style="border:1.0000pt solid #C0C0C0;">
<p class="MsoNormal">
2W
</p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal">
</p>
<p class="MsoNormal">
Application
</p>
<p class="MsoNormal">
<img src="http://i.bosscdn.com/product/a3/35/f8/10385ba1307fbd20f66a3e70f4.png@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=29&p=9&t=80&text=bi1uZXQuYm9zc2dvby5jb20%3D" title="NT-S277" alt="NT-S277" />
</p>nnetswitch.com
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