BLACKBOX-ACU1008A ServSwitch Brand CAT5 KVM Extenders with Serial Extension

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商品編號: BLACKBOX-ACU1008A

BLACKBOX-ACU1008A ServSwitch Brand CAT5 KVM Extenders with Serial Extension

Send two high-quality video channels plus serial to a remote site over CAT5 cable.

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★★★★商品說明★★★★

Description

ServSwitch Brand CAT5 KVM Extenders with Serial Extension, Dual-Access Kit

Quick Facts

Place your keyboard, monitor, and mouse up to 1000 feet (304.8 m) from a CPU or ServSwitch.

Use a single inexpensive CAT5 UTP cable!

Further Details

Also send serial port data up to 1000 feet (304.8 m).

Capable of 1600 x 1280 at 200 feet (60.9 m), 1280 x 1024 at 300 feet (91.4 m), or 1024 x 768 at 1000 feet (304.8 m).

Fully adjustable video equalization for the best possible video quality—even at long distances and high resolutions.

ServSwitch™ Brand CAT5 KVM Extenders make it easy to put your CPUs and ServSwitch KVM switches where you want them. Because these extenders use flexible, inexpensive CAT5 UTP cable, cabling is easy.

The extenders have intelligent keyboard and mouse emulation to prevent remote CPUs from locking up, even if your keyboard or interconnect cable is unplugged.

This kit enables you to have a local control station near your CPU or ServSwitch plus a remote station with a serial device up to 1000 feet (304.8 m) away.

Also available are a single-access kit with serial, and single- and dual-access kits with no serial extension.

What's included:
　

Local unit
　

Remote unit
　

Cable from CPU to local unit
　

Video input cable
　

Serial cable
　

9-volt power supply and power cord
　

Technical Specifications for ServSwitch Brand CAT5 KVM Extenders with Serial Extension:

Clamping Voltage — 15 volts
Compatibility — Keyboard: PC/AT, PS/2;
Video: VGA, Super VGA, XGA®;
Mouse: PS/2 mouse only (user)
Resolution (Maximum) — 1600 x 1280: 200 ft. (60.9 m);
1280 x 1024: 300 ft. (91.4 m);
1024 x 768: 1000 ft. (304.8 m)
CE Approval — Yes
Connectors — Keyboard and mouse: (2) 6-pin mini DIN F;
Video: (1) HD15;
Interconnect: (1) RJ-45;
Serial local and remote units: Also have (1) DB9 for serial extension
Power — Local units: From the PC;
Remote units: 100–240 VAC, 50–60 Hz, external, autosensing, with IEC 320 connector
Size — Local unit: 1.4"H x 8.4"W x 3.9"D (3.6 x 21.3 x 9.9 cm);
Remote unit: 1.4"H x 7.8"W x 3.9"D (3.6 x 19.8 x 9.9 cm)
Weight — 5.5 lb. (2.5 kg)

NOTE: These products are designed for CAT5 cable only. They support PS/2® and AT® keyboards and mice. For adapters, see the FA212-R2.

These products work with:
• CAT5 100-MHz Solid-Conductor Bulk Cable, 4-Pair (EYN840A, EYN860A)
• CAT5 100-MHz Solid-Conductor Cable, 4-Pair, Straight-Pinned (EYN556MS, EYN737MS)
• CAT5 Modular Plugs (25/Bag), Solid-Conductor, Unshielded (FMTP5U-SLD)
• 6-Pin Mini DIN Female to 5-Pin DIN male Keyboard Adapter (FA212-R2)
• AT→PS/2 Mouse GHOST Emulator (AC244A)
• 19“ Rackmount Kit for ServSwitch Brand CAT5 KVM Extenders (RMK19X or RMK19U-R2)
• USB to PS/2 Converter (KVUSB)

Questions? Contact our FREE Tech Support.
　

★★★★商品規格描述★★★★

Black Box Explains...CAT5: When more isn’t always better..

In data communications applications, using products that exceed required capacities is usually not a problem. For example, if a 28.8K modem is required, a 33.6K or 56K model will work just fine.

But sometimes, more isn’t better. Take KVM extenders designed to expect CAT5 and only CAT5 cable. You’d expect that Category 3 cable wouldn’t be effective with these products, and you would be right.

But you may also assume that if Category 5 cable works fine, Category 5e, Category 6, and other higher-capacity cables would work even better. Unfortunately, this isn’t the case, and here’s why:

KVM extenders from many manufacturers, including ServSwitch CAT5 KVM Extenders, are designed specifically for the Category 5 specs defined by the TIA/EIA standard. Higher-level cables, such as Category 5e, have different characteristics and specifications. Although differences—specifically twist ratios—might seem small, they can have a negative impact on these extenders, which are expecting a true Category 5 transmission.

So with ServSwitch CAT5 KVM Extenders, you can think big with CAT5—just don’t think bigger.

Black Box Explains...Category 5, 5e, and 6 copper wiring standards..

The news on bandwidth
The need for increased bandwidth never ceases—the more you have, the more you need. Applications keep getting more complex, and files keep getting bulkier. It won’t be long before you need to increase the speed of your network.

Don’t worry. Black Box experts are ready 24 hours a day to answer your questions. When you click on “Talk to a Tech,” you’ll be talking to a trained expert in seconds. If you need help installing a network, or adding an additional drop, contact us.

Because unshielded twisted-pair UTP cable is by far the most common networking cable, let’s take a brief look at where UTP is headed.

The limits of Category 5
Category 5 (CAT5) cabling is good, solid cable for 100-Mbps LANs. The Category 5 standard has been around since 1991, so it’s well established. You’ll find existing Category 5 installations everywhere. What can Category 5 cable do, and what can’t it do?

If you still have a lot of 10-Mbps equipment, CAT5 cabling will serve your needs. It also handles 100-Mbps Fast Ethernet transmissions very well.

But if you’re running up against the performance limits of a 100-Mbps network, you’ll probably want to upgrade at least parts of your system fairly soon to Category 5e (CAT5e) or higher.

Category 5e: the improved Category 5
Category 5e, also known as Enhanced Category 5, or CAT5e, was ratified in 1999. It’s an incremental improvement designed to enable cabling to support full-duplex Fast Ethernet operation and Gigabit Ethernet.

The main differences between CAT5 and CAT5e can be found in the specifications. The performance requirements have been raised slightly in the new standard.

CAT5e has stricter specifications for Power Sum Equal-Level Far-End Crosstalk (PS-ELFEXT), Near-End Crosstalk (NEXT), Attenuation, and Return Loss (RL) than those for CAT5. Like CAT5, CAT5e is a 100-MHz standard, but it has the capacity to handle bandwidth superior to that of CAT5. With these improvements, you can expect problem-free, full-duplex, 4-pair Ethernet transmissions over your CAT5e UTP.

Category 6
The next level in the cabling hierarchy is Category 6 (CAT6) (ANSI/TIA/EIA-568-B.2-1), which was ratified by the TIA/EIA in June 2002. CAT6 provides higher performance than CAT5e and features more stringent specifications for crosstalk and system noise.

The quality of the data transmission depends upon the performance of all the components of the channel. 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 individually, and they are also tested together for performance. In addition, the standard calls for generic system performance so that CAT6 components from any vendor can be used in the channel.

CAT6 channel transmission requirements should result in a Power-Sum Attenuation-to-Crosstalk Ratio (PS-ACR) that’s greater than or equal to zero at 200 MHz.

In addition, all CAT6 components must be backward compatible with CAT5e, CAT5, and CAT3. If different category components are used with CAT6 components, then the channel will achieve the transmission performance of the lower category. For instance, if CAT6 cable is used with CAT5e jacks, the channel will perform at a CAT5e level.

Industry standards
The advantage of sticking to the industry standards is the knowledge that your cabling will be compatible with standards applications. But the standards are always being improved upon, and it takes time to ratify a new standard. Often, as with CAT6, the final standard may be different from the proposed standard. For the latest information, contact our FREE Tech Support.

Twisted-Pair Cable Specifications Comparison
Frequency — CAT5, CAT5e: 100 MHz;
CAT6: 250 MHz;
CAT7 (Proposed): 600 MHz
Attenuation (min. at 100 MHz) — CAT5, CAT5e: 22 dB;
CAT6: 19.8 dB;
CAT7 (Proposed): 20.8 dB
Characteristic Impedance — All: 100 ohms ± 15%
NEXT (min. at 100 MHz) — CAT5: 32.3 dB;
CAT5e: 35.3 dB;
CAT6: 44.3 dB;
CAT7 (Proposed): 62.1 dB
PS-NEXT (min. at 100 MHz) — CAT5: no specification;
CAT5e: 32.3 dB;
CAT6: 42.3 dB;
CAT7 (Proposed): 59.1 dB
ELFEXT (min. at 100 MHz) — CAT5: no specification;
CAT5e: 23.8 dB;
CAT6: 27.8 dB;
CAT7 (Proposed): not yet specified
PS-ELFEXT (min. at 100 MHz) — CAT5: no specification;
CAT5e: 20.8 dB;
CAT6: 24.8 dB;
CAT7 (Proposed): not yet specified
Return Loss (min. at 100 MHz) — CAT5: 16 dB;
CAT5e: 20.1 dB;
CAT6: 20.1 dB;
CAT7 (Proposed): 14.1 dB
Delay Skew (max. per 100 m) — CAT5: no specification;
CAT5e: 45 ns:
CAT6: 45 ns;
CAT7 (Proposed): 20 ns