...you can use one modem—not eight—to control eight devices. • Code-operated switches are ideal for applications that require remote switching capabilities for file-sharing or monitoring. Use code-operated switches for: • Remote programming. Ca...

...RS-232 commands over modems on existing or special phone lines, over the TCP/IP network, or locally with terminal software. The ideal system uses out-of-band management, an alternate path over an ordinary dialup line that doesn’t interfere with n...

Shielded Ethernet Cables • Shielded Ethernet Cables • STP and S/STP • Two basic types of shielded cables are offered by Black Box and the Industry.The first group are cables with an overall shield know generically as STP. The second are constr...

...So to transmit according to CAT6 specs, the jacks, patch cables, patch panels, cross-connects, and cabling must all meet CAT6 standards. (The channel includes everything from the wallplate to the wiring closet.) The CAT6 components are tested...

...pair within a four-pair cable. TSB-67 requires that pair-to-pair NEXT be measured on all pair combinations in a cable. The worst pair-to-pair NEXT measure should not exceed the cable's specified limits. • PS-NEXT is a much more rigorous crosstalk me...

...fibre optic devices and cable to filter the strength of the fibre optic signal. Depending on the type of attenuator attached to the devices at each end of the fibre optic cable, you can diminish the strength of the light signal a variable amount, me...

Fibre optic cable construction • Fibre optic cable construction • Core • This is the physical medium that transports optical data signals from an attached light source to a receiving device. The core is a single continuous strand of glass or p...

...Optic Mode-Conditioning Cable • Fibre Optic Mode-Conditioning Cable • Use Fibre Optic Mode-Conditioning Cable for Gigabit Ethernet longer than 550 meters • You can run Gigabit Ethernet over up to 2-km-long multimode fibre optic cable. However, the t...