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The Internet is everywhere. And the deployment of internet-related technology is growing rapidly. Together with the growth of the Internet and internet-related products, there is an increasing demand for accessing non-internet-capable products via the Internet or the company intranet. Most of the equipment used for building computer networks is "internet-capable" by nature. This means that such equipment can be controlled or monitored by way of standard internet protocols. However, a huge number of devices -even those that have some sort of computer interface- were not designed with IP networking capability.

SNMP stands for simple network management protocol. It was developed in the 1980s to monitor and maintain large Ethernet computer networks. SNMP runs on top of TCP/IP and enables communication between an SNMP Manager and an Agent.

SNMP is the de-facto standard operations and maintenance protocol for the Internet, and is probably the key technology that enabled the growth of the Internet. It is rapidly becoming the industry standard interface for remote equipment's monitoring and configuration on new equipment. One of the advantages of SNMP is that it places a low stress on the network on which it is running.

If the SNMP agent is not resident in the device, then it is known as a Proxy SNMP Agent. A proxy agent is used to communicate with devices that cannot support an SNMP agent running independently on them. Networking and Data Communication equipment's (Like Modem Racks, UPS, Telephone Exchange, Printers etc) of many companies does not have an SNMP agent embedded inside their products. To manage this non-SNMP compatible elements (hereafter referred to as target device), DVS provides a Proxy SNMP Agent. This proxy Agents runs on Linux/Windows (98/NT/2000/XP) based Personal Computer or is embedded in SNMP cards. The proxy agent is attached to the target device using serial/parallel/other interface present on the device (for controlling and configuring the device).


The SNMP card from DVS is both an SNMP agent and an HTTP/Web server. Therefore it enables target device supervision from any Network Monitoring System using SNMP Manager or simply from any web browser (Internet Explorer, Netscape Navigator,).

This SNMP cards are using MPC 850 processor and have one Ethernet Interface and one Serial Interface for connecting internally to the serial port of your UPS, modem rack or any other target device.

DVS SNMP WINDOWS based Proxy Agent Software :

The Proxy Agent from SNMP can be run on any Windows (98/XP/2000) computer. The serial/parallel/Ethernet port of the PC is connected to the target device to be SNMP managed. This proxy agent runs in background and you don't have to dedicate a PC for this proxy agent.

The DVS SNMP proxy agent(Windows based software/Hardware cards) allows "non-ip" devices to be controlled, configured and monitored by means of:

  1. A SNMP network management platform such as HP OpenView or IBM Tivoli etc.
  2. A Web Browser such as Microsoft Internet explorer or Netscape Navigator.
  3. A Telnet client as available on all current Microsoft and Unix operating systems.

The basic Proxy Agent unit is equipped with one serial port (V.24/V.28, RS422 or RS485) for device control and an Ethernet port for connecting with you exiting LAN.

For each application, DVS will create the software extensions to suit the attached device. These software extensions can be easily uploaded though the serial port or via the network.

Feel free to contact DVS to discuss your application at inquiry@dvsinfo.com

Features :

Supported SNMP Manger :

DVS Proxy Agents supports all SNMP complaint SNMP managers like:

Application Areas :

The applications for the DVS Proxy Agent are numerous. Printed below is a brief list of possible products and application areas where the DVS Proxy Agent can be used:

Data loggers, Static control boards, Serial devices, Battery monitors, Satellite receivers, Satellite head stations, Microwave transceivers, Oil rig monitors, Corrosion monitors, Power meter measurement devices, PBX accounting systems, Remote power management controllers, etc.

Technical Specifications :

Device Control port :

  1. Serial port connector type: DB-25 (ISO2110), Screw terminal (optional).
  2. Supported signals (DCE type): RxD, TxD, RTS, CTS, DTR, DSR, DCD.
  3. Data rates: 75, 110, 150, 200, 300, 600, 1.2k, 2.4k, 4.8k, 9.6k, 19.2k, 38.4k, 57.6k and 115.2 kbit/s. 4.Interface types: RS232, RS422 and RS485.

Network port :

  1. 10baseT Etherne
  2. Connector type: RJ-45

General :

  1. Dimensions: 170x140x20 mm LxWxH.
  2. Weight: 100 gm.
  3. Power supply: Mains power adapter, 5 VDC 2 amps.
  4. Power consumption: 10 W.
  5. Temperature range: 0~50 C Humidity: 5~95%.

Detailed Applications and Usage of Proxy SNMP Agent :

1. UPS :

The SNMP Agent from DVS makes the UPS "SNMP Management". It allows network managers to monitor and remotely control the UPS through network management platforms such as HP Open-View, SUN SunNet Manager and others.

Either the SNMP Internal PCB card or the external SNMP Adapter may be used to convert UPS signals and data into SNMP MIB II compliant messages to the appropriate Network Management Stations (NMS). When the UPS senses a power problem, a "trap" is sent to the network manager to identify the nature of the alert allowing correction to be executed.

2. Modem Rack :

The proxy agent is connected to the modems/rack using serial port/parallel port. Using any standard SNMP Manager the users can manage their modem/modem racks over the network.

We set the MIB of the Proxy Agent as per the modems and modem racks user friendly SNMP Manager with 3D and 2 D graphs for monitoring parameters like link status, packets TX/Rx etc is also developed specifically for the target modems. Using our proxy SNMP agent and any SNMP Manager(or customized SNMP manager) the users can monitor and manage the local and remote modems/rack from anywhere in the Network or from outside the network