Volume 3, Issue 1

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Why bad connections can happen to good installers

Jan. 1, 1995
Although manufacturers of connection devices continue to develop better products, the task of terminating communication cables is still challenging. In some cases, however, an...
Cabling Installation

Guidelines for running UTP or STP cable

Jan. 1, 1995
When installing an unshielded or shielded twisted-pair cabling system in any environment, some general installation practices must be observed concerning placement of cable and...
Testing

Locating breaks in fiber-optic networks

Jan. 1, 1995
When a problem arises in a fiber-optic network, the source can usually be traced to human intervention. If your network goes down because of a break in a fiber cable or a defect...
Home

Converting USOC to 10Base-T wiring

Jan. 1, 1995
A customer`s existing cabling plant for data communications is commonly wired using RS-232 data cabling with RJ-12 six-conductor wallplates and the Uniform Service Ordering Code...
Cabling Installation

TIA standards, testing Category 5, T568A versus T568B

Jan. 1, 1995
Q: I am a telecommunications manager with the military, and we are planning the installation of a new building distribution system for our headquarters building. We plan to install...

More content from Volume 3, Issue 1

Cabling Installation

Updates and Clarifications

Jan. 1, 1995
Today, users not only need connectivity testing but also performance testing to ensure that a link will support high-bandwidth applications. To allow contractors to test links...
Th Cim61978 15
Home

Optimizing Category 5 IDC terminations

Jan. 1, 1995
To meet Category 5 requirements for terminating an unshielded twisted- pair cable insulation displacement connection, installers must follow the guidelines in the Electronic Industries...
Th Cim61980 7
Home

Try velcro for cable ties

Jan. 1, 1995
Standard nylon cable ties that are stock items with most telephone companies and cable contractors can be cinched snugly to cable bundles without damaging the cables; however,...
RJ45 UTP & Shielded

Bit rate and frequency in data communications

Jan. 1, 1995
There has been endless confusion about what defines the speed in high-speed networks. Here we will explain the difference between megahertz and megabits, as well as define the...
Cabling Standards

Is it a link or a channel or both?

Jan. 1, 1995
A link includes the cabling elements--cable and termination hardware--of the horizontal and backbone subsystems up to, but not including, the equipment cords. Transmission testing...
Cabling Installation

T568A versus T568B

Jan. 1, 1995
Q: I read with great interest Richard Csontos`s letter asking about T568A versus T568B and your response in the November 1994 issue. Historically, our company has used T568B.