...DDC with extender or switch • But what happens if there is an extender or a switch in between? A lot of them do not support DDC at all or only with certain limitations. This may cause PCs not to boot up at all or show no video. Sometimes only a s...

...cross-point or fabric-switched topology uses 24-bit addressing to connect up to 2 (to the 24th) devices in a cross-point switched configuration. This enables many devices to communicate at the same time and does not require shared media. • Fibre C...

...patch panels, hubs, switches, or routers), you need to direct the bundles overhead, vertically, and horizontally. • Ladder Rack • A popular choice for overhead cable routing is a ladder rack. Ladder racks come in many varieties. They can run alo...

...found on most types of network equipment, including NICs, switches, routers, and media converters. Because these devices are totally backwards compatible with other Ethernet devices, all you need to do to reap energy savings is to swap out devices.

...a problem for many KVM switches, as they normally pass along mouse coordinates in a stream mode. This results in a CPU receiving data when it isn’t expecting it, and the mouse simply won’t function properly. • All ServSwitch™ products contain suppo...

...media including Public Switched Telephone Network (PSTN), Integrated Services Digital Network (ISDN), wireless, and Digital Subscriber Line (DSL). • Remote access enables remote users to dial into your LAN over the phone by using either land lines ...

...input to the output. Switching to battery operation takes up to 10 milliseconds. They only protect from power failures. • Line Interactive — They protect not only from power failure, but also from underand over-voltage. They are ideal for small t...

...to the price of a switch, this lock-out scheme raises hardware costs and limits transceiver choices. • Many vendors don’t advertise that SFP slots on their devices don’t accept standard SFPs from other vendors. This can lead to unpleasant surp...

...electrical power. • The Cause — Noise has many causes including nearby lightning, load switching, industrial equipment, and radio transmitters. It may be intermittent or chronic. • The Effect — Noise introduces errors into programs and data files.