Belden presents two new SPIDER variants from its Hirschmann brand
9/20/2012
Low-cost switches for demanding applications
Neckartenzlingen, Germany - September 18, 2012 - Belden Inc., a global leader in signal transmission solutions for mission-critical applications has added two new unmanaged Gigabit Ethernet switches to the SPIDER family as part of its Hirschmann brand in the EMEA region. The SPIDER II Giga EEC Pro, available with either five twisted pair ports (10/100/1000 Mbit/s) or two additional SFP slots for fiber optic transceivers (1000 BASE-SX/LX), supports Quality of Service compliant with IEEE 802.1D. This allows prioritization of data packages and means that the switch can be used for PROFINET applications in the mechanical engineering sector for example.
The SPIDER II Giga EEC Jumbo is also available in two different 5-port versions, with or without SFP slots. Because both versions can handle Jumbo Frames with up to 9014 bytes of user data, they are particularly suitable for video applications. All switch versions conform to relevant industry standards for shock and vibration resistance as well as electromagnetic compatibility (EMC), and are built to comply with cUL508 safety requirements. Further features include 12/24V power supply, IP30 protection rating, fanless cooling, and an extended temperature range of -40 ºC to +70 ºC.
The switches can be cascaded as often as required, permitting implementation of locally structured networks with short transmission paths to the terminating equipment The twisted pair ports have RJ45 sockets, and support autocrossing, autonegotiation and autopolarity. The fiber optic transceivers can bridge distances of up to 0.5 km (multi-mode) or 120 km (single-mode), and support autonegotiation and full-duplex mode.
The switches are designed for mounting on DIN rails and can be rapidly set up for operation using the plug & play principle. Thanks to their compact 35 x 154 x 121 mm housing (width x height x depth), they can be easily installed in distribution boxes. LEDs on the front panel indicate the device and network status.
With these two new devices, Belden is adding variants boasting new features to the SPIDER family of Full Gigabit switches in the Hirschmann product range. "Support for Quality of Service and Jumbo Frames means that inexpensive unmanaged devices can now be used in applications that were previously exclusively the domain of managed switches," says product manager Jürgen Schmid. "The Gigabit technology also ensures that these switches are a future-proof investment."
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"Holy smoke, look there," gasped Monty Scruggs, as a company of rebel cavalry came tearing over the hill in front, to the assistance of their comrades. "That's about it," answered Shorty disdainfully. "That's the way with all cavalry, dad-burn 'em. They're like a passel o' fice pups. They're all yelp and bark, and howl and showin' o' teeth. They're jest goin' to tear you to pieces. But when you pick up a stone or a club, or git ready to give 'em a good kick they're gone, the devil knows where. They're only an aggravation. You never kin do nothin' with 'em, and they kin do nothin' with you. I never kin understand why God Almighty wasted his time in makin' cavalry of any kind, Yank or rebel. All our own cavalry's good for is to steal whisky and chickens from honest soldiers of the infantry. The infantry's the only thing. It's like the big dog that comes up without any special remarks, and sets his teeth in the other dog. The thing only ends when one dog or the other is badly whipped and somethin's bin accomplished." "Mmm." Reuben started out of the half-waking state into which he had fallen. It was late in the afternoon, the sunlight had gone, and a wintry twilight crept up the wall. Maude the dairy-woman was looking in at the door. It was about a month subsequent to this, that one morning, as Turner was making the anvil ring with the ponderous strokes of his hammer, two retainers from the castle entered the shed, and delivered an order from De Boteler for his immediate attendance. Wat laid the hammer on the anvil, and, passing the back of his right hand across his forehead, to clear away the large drops that stood there, looked with a kind of smile at the men as he said, HoME泷泽萝拉四部和集下载
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