Wireless Network

A wireless transmission method is a logical choice to network a LAN segment that must frequently change locations. The following situations justify the use of wireless technology:

  • To span a distance beyond the capabilities of typical cabling,
  • To provide a backup communications link in case of normal network failure,
  • To link portable or temporary workstations,
  • To overcome situations where normal cabling is difficult or financially impractical, or
  • To remotely connect networks.

Developers need to consider some parameters involving Wireless RF technology for better developing wireless networks:

  • Frequency trends
  • Operating range
  • Sensitivity and data rate
  • Network topology and node intelligence

Fiber Optic Network

Fiber optic network design refers to the specialized processes leading to a successful installation and operation of a fiber optic network. It includes first determining the type of communication system(s) which will be carried over the network, the geographic layout (premises, campus, outside plant (OSP, etc.), the transmission equipment required and the fiber network over which it will operate. Designing a fiber optic network usually also requires interfacing to other networks which may be connected over copper cabling and wireless. Next to consider are requirements for permits, easements, permissions and inspections. Once we get to that stage, we can consider actual component selection, placement, installation practices, testing, troubleshooting and network equipment installation and startup. Finally, we have to consider documentation, maintenance and planning for restoration in event of a future outage. The design of the network must precede not only the installation itself, but it must be completed to estimate the cost of the project and, for the contractor, bid on the job. Design not only affects the technical aspects of the installation, but the business aspects also.

Power Earthing

Outdoor Closed Circuit Television (CCTV) Security Cameras can be prime targets for lightning. A lightning strike can destroy the camera and can damage the control console with energy flowing back through the coax and camera power wiring. When lightning strikes a tower or other large structure, there is a high peak voltage at the strike point with current flowing downward and outward through any path to earth ground. A support pole develops a high L di/dt peak voltage drop along its length to earth ground. A large steel reinforced structure can conduct the energy to earth ground through its steel reinforced concrete footers and electrical ground system. A camera mounted and grounded to a building with steel reinforced construction will usually have less inductance to ground than a camera mounted on a self-supported tower or pole. Less inductance to earth ground means less peak voltage at the camera. When lightning strikes a wood or other insulating support, whatever voltage is necessary to continue the arc is developed at the strike point to overcome the resistance of the non-conducting structure. This usually has catastrophic results to the equipment on top. To protect equipment, there must be a low inductance path to earth for lightning energy and properly rated protectors on all interconnected wiring from the camera to the operating console. A properly rated protector at the camera allows the outbound wiring to be equalized to the peak voltage at the strike point without allowing damaging currents flow through the camera circuitry. An appropriate protector at the console blocks damaging incoming voltages to the control / monitor console.

Power protection devices

You may need a different power-protection strategy--either a one-on-one approach, a clustered system, integrated protection, or floor-by-floor protection facility-wide--depending on the type of facility and kind of network. Power protection used to be as simple as placing all sensitive equipment inside a "glass house" that was connected to a single power-protection source, such as an uninterruptible power supply (UPS). Today, with computers migrating from the raised-floor data center into telecommunications closets and even open work areas, power-protection strategies must deal with a much more complicated situation.

First, power-protection equipment must contend with an increasingly wide range of system configurations. Servers, workstations, routers, hubs, bridges and other sensitive components must all be taken into consideration.

Second, as computer-based systems become more integral to telecommunications operations, even a minor power problem can have catastrophic effects--from absorbing a half day of an employee`s time for reentering data to sustaining a costly production loss because an industrial machine controller`s part program was erased by a power glitch and the machine produced scrap. In many telecommunications applications (e.g., computerized order processing) a power problem can completely shut down operations. o serve a user`s needs, the UPS, which is the main component in most power-protection systems, must be able to handle different types of power inputs, including imperfect power from the electric utility, direct current (DC) power from batteries, the variable output of standby generators, surges and sags from inside the building, and even harmonics from within the computer network. Contemporary UPS systems are available in a variety of configurations to meet these multiple needs, but they can generally be classified into one of three types of technologies: online, offline or line interactive.

RFID Readers

In a basic RFID system, tags are attached to all items that are to be tracked. These tags are made from a tiny tag-chip, sometimes called an integrated circuit (IC), that is connected to an antenna that can be built into many different kinds of tags including apparel hang tags, labels, and security tags, as well as a wide variety of industrial asset tags. The tag chip contains memory which stores the product's electronic product code (EPC) and other variable information so that it can be read and tracked by RFID readers anywhere.

An RFID reader is a network connected device (fixed or mobile) with an antenna that sends power as well as data and commands to the tags. The RFID reader acts like an access point for RFID tagged items so that the tags' data can be made available to business applications.

CNIC Readers

A visitor will be required to present the original Computerized National Identity Card (CNIC) as he / she arrives at the reception. Receptionist will verify the CNIC through tool and will generate a real time query with the National Data Warehouse to confirm its authenticity. Upon verification, Visitors Fingerprint / Facial and other particulars will be enrolled with the system. Visitors will then gain access through the ACEMS terminal by inserting their CNIC / EC in the readers on the device and proceed to the desired destination. The visitor data log created on the reception system will also be updated on the main database for future reference purposes such as report generation.

Thermal Printers

Direct thermal printers require the use of heat activated labels and do not require a ribbon. While somewhat durable, direct thermal labels are prone to darkening over time due to age or exposure to extreme light or heat. Direct thermal printing is popular in applications such as mailing, small parcel delivery, retail and the food industries where most items are stored away from heat and sunlight, and the expected life of the label is less than 1 year. The primary benefit is an overall lower cost since ribbon is not required, and direct thermal printers are easier to operate.

Card Printer

Card printer solutions offer improved personnel tracking, access control and secure ID badges. Choose from a broad range of single- or dual sided color card printers. Options range from wired and wireless network connectivity, smart card and magnetic stripe encoding, to lamination for higher security and card durability. There is a Zebra card printer to meet all your business needs: from payment cards to driver's licenses, membership cards to employee identification badges, gift cards to ski pass IDs, and much more.


Contactless Smart Card technology is ideally suited for access control, time and attendance, membership/loyalty programs, logical (PC) access, storage of biometric templates, parking, ePurse, and many other applications requiring secure and reliable read/write cards.

LED Signs

Designed specifically for up-close viewing and the clearest high-definition messages.

LED Screens

Outdoor LED displays are rugged, IP65 rated solutions that deliver high-resolution images with unequalled brightness and contrast levels. Available in various pixel pitches, they generate the perfect picture at all times, even in direct sunlight. As outdoor LED displays are exposed to the most severe weather conditions, it’s important that their image quality stays constant over time. We believe that IP rating is just one of the building blocks in determining whether a LED display is suitable for outdoor use or not. That’s why we developed our own test program – ‘typhoon testing’. In this test not only the impact of water and dust (the basis for IP rating) is tested but also the impact of UV rays, varying temperatures and vibrations is taken into account. The Typhoon test is your quality label for reliable outdoor LED technology.

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