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Featured Whitepaper-Access Control


Network Enabling Serial Devices



Product Snapshots
  • Serial to wireless
  • 802.11b/g
  • WPA, WEP
  • RS-232,
    RS-232/422/485
  • Ruggedized metal box
  • Serial to wireless
  • 802.11b/g
  • RS-232 &
    RS-232/422/485
  • LEAP, WPA, WEP
  • Extended temperature range
  • Serial to Ethernet converter
  • RS-232
  • RS-232/422/485
  • 10/100 Mbps
  • 1 & 2 ports
  • EPP Parallel Card
  • Supports IEEE 1284 EPP interface
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Access control systems are used for a wide variety of applications from general building security to safe rooms, parking garage operations, perimeter surveillance, and property management. While these access control systems are implemented using a broad range of hardware and software platforms, they all have one thing in common--a need for a large number of RS-232, RS-422, or RS-485 serial ports to connect essential devices to the server.

Quatech Wireless and Wired serial device servers lead the industry with the most powerful processor and the lowest latency available for device networking solutions. Easy to install and configure, our device networking product line is integrator friendly, offering easy to install and configure wired and wireless options with one to eight ports. Further, Quatech device servers function as standard COM ports, which means any system can be network-enabled without alteration to access control software applications.
Security/Access Control Surveillance


Surveillance cameras are used for a wide variety of CCTV access control systems.  The video portion of the system has been technologically suited for transmission over an Ethernet network for quite some time, and advances in video compression technologies have made these systems easier to implement.

With the advancements of the Pan-Tilt-Zoom controls, cameras are able to capture more than just a fixed position. With Quatech’s Serial Device Servers, a single computer can control any number of cameras from a central location via a network connection.

Quatech's SSE-100D RS-232/422/485 Single

Security/Access Control Surveillance Applications
(Click on image for large view)

  Port Serial Device Servers:
  • Enable cameras placed anywhere on an Ethernet connection to
    be remotely monitored and controlled.
  • Enable a single networked computer to control any number
    of cameras from a central location.
  • Gives the controller the ability to remotely zoom, pan and
    tilt any camera for more advanced security.
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Security Door Control and Entrance Monitoring
Security Door Control Applications
(Click on image above for large view)

One of the most basic, and most common access control system involves a magnetic card reader and a RS-232 numeric keypad used in a system that authenticates personnel and then transmit a signal to release a door-lock mechanism to provide entry to a limited-access room or building.

The card reader and the keypad both require a serial port to connect with a controlling host computer. A traditional system required that a PC be placed within 50 feet of these devices to monitor and control them. Rather than placing an entire PC workstation at the gate, using a wall mounted single port serial device server is an easy and inexpensive way to implement the system. The Card Scanner itself can be mounted on the front side of the wall and the Quatech’s Wireless Serial Device Server on the back.

Quatech's SSEW-100D Wireless Serial Device Servers help with access control by:

  • Network-enabling the RS232 numeric keypad and the magnetic card reader to that they
    can be remotely monitored and controlled from any computer on the network
  • Enabling a remote server to log all data from the security access point.
  • Permits access control software programs designed around a serial communication
    interface to be run from the remote server without any programming changes.

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Parking Access Control
 

RFID technology is rapidly gaining ground in the access control industry, especially in vehicle access control. Cars, trucks, or other vehicles can be tagged with passive RFID transmitters. When a restricted area, or a parking lot entrance, is approached, a reader at the site accesses the tag. If the vehicle is authorized, the gate opens.

In the very simplest systems, the mechanism works in pass/fail mode--access granted or access denied. However, if the data from the tag can be connected with a database, functionality of the system is greatly enhanced.

Quatech’s DSE-100D Serial Device Server:
RFID Parking Access Control
(Click on image above for large view)
 
  • Allow RS232 RFID readers and gate control mechanisms can be remotely monitored and controlled via Ethernet.
  • Saves money by remotely controlling gates rather than having a PC at each entry point.
  • Remotely keeps track of the number of vehicles that have entered the restricted area, the average time in the area and the specific RFIDs used.  

This network-enabled configuration opens up many possibilities for RFID-based access control systems. For example, a prepaid account can be linked to the car's RFID tag. The RFID reader authorizes the car for entry, logs entry time, and transmits that data back to the server, then the gate mechanism is activated and the car enters. A similar exit point is configured, and when the car leaves the RFID reader logs exit time, releases the gate mechanism, and transmits the exit data back to the server. The customer's account is then debited for the time she spent in the parking lot.
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