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User Manual for JMR Electronics Lightning XQ PCIe to Thunderbolt 2 Rackmount 8-Bay RAID Enclosure Click to enlarge the picture
Contents of the user manual for the JMR Electronics Lightning XQ PCIe to
- Product category: Expansion Chassis JMR Electronics
- Brand: JMR Electronics
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for JMR Electronics Expansion Chassis
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User manual for the JMR Electronics Lightning XQ PCIe to contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any JMR Electronics product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official JMR Electronics user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a JMR Electronics product will considerably shorten its lifespan!
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Product description The 4 RU rackmount Lightning XQ PCIe to Thunderbolt 2 Rackmount 8-Bay RAID Enclosure from JMR Electronics is equipped with four Thunderbolt 2 ports, four PCIe slots, eight SAS/SATA 2.5" drive bays that are connected to the internal 6 Gb ATTO SAS hardware RAID controller, and a 4 RU rackmount form factor. If the 2.5" drive bays are populated with SSDs, it is possible to achieve data transfer speeds of up to 1,200 MB/s. The four Thunderbolt 2 ports also allow for the daisy chaining of other compatible peripherals.
While this enclosure uses four Thunderbolt 2 ports to connect to your host system, each of which provides bi-directional transfer speeds of up to 20 Gb/s, it also features four full-height and full-length PCIe slots, with one occupied by the RAID controller, for a total of three available PCIe slots. Each slot operates mechanically at x16 and electrically at x4. The advantage of this enclosure having PCIe slots is that it will allow PCIe cards to be utilized with systems that do not have any available PCIe slots, such as the 2013 Mac Pro. Common applications of PCIe expansion cards include SAS/SATA and Fibre channel host bus adapters and RAID controllers, video capture cards, audio interface cards, 10GbE network cards, GPUs, RED Rocket-X cards, and more.
The four PCIe slots are also powered using two independent Thunderbolt 2 bridge circuits, each of which runs at 20 Gb/s. One Thunderbolt 2 bridge circuit powers two of the PCIe slots, while the other Thunderbolt 2 bridge circuit powers the other two. When connecting to a Mac Pro, users will need to use two of the Lightning XQ's Thunderbolt 2 ports and two Thunderbolt 2 cables, each of which will connect to one of the Mac Pro's Thunderbolt 2 ports, with two total ports being used.
So that your bandwidth may be maximized, please ensure that each Thunderbolt 2 cable is connected to a separate Thunderbolt 2 bridge circuit on your Mac Pro. The 2013 Mac Pro comes equipped with six Thunderbolt 2 ports that are powered by three Thunderbolt 2 bridge circuits, or two ports per circuit. If multiple peripherals are connected to one circuit, then the bandwidth will be shared. Also, please bear in mind that each grouping of two PCIe slots on the Lightning XQ share one Thunderbolt 2 circuit. If only one card is installed on a dedicated circuit, it will receive the full 20 Gb/s of bandwidth of that circuit, but if a second card is installed, the bandwidth will be shared, with each card receiving 10 Gb/s. Likewise, if only one card is installed on each dedicated circuit, they will both receive the full 20 Gb/s bandwidth of each circuit. Additionally, if only one Thunderbolt 2 cable is used to connect this system to your Mac Pro, then only two of the four PCIe slots will be available. The Lightning XQ may also be installed on systems with two Thunderbolt 2 ports that share a bridge circuit, such as the MacBook Pro, but please bear in mind that the bandwidth will be shared accordingly, with a max speed of 5 Gb/s if all four PCIe slots are in use.
The JMR Lightning PCIe to Thunderbolt 2 8-Bay RAID Enclosure allows Thunderbolt 2 bandwidth to be used to help enhance operating performance for demanding applications. It is powered using an internal 460W power supply. It utilizes a 4 RU rackmount form factor, turning it into a sled device that docks in a provided bracket that installs into rack equipment, using only the front vertical rail, and then slides into the docking bracket. Included with this RAID enclosure is a power cord and a docking bracket. Common Applications - SAS/SATA host bus adapters and RAID controller cards
- Fibre channel host bus adapters and RAID controller cards
- 10GbE network adapter cards
- Graphical Processing Units (GPUs), RED Rocket-X cards
In the Box JMR Electronics Lightning XQ PCIe to Thunderbolt 2 Rackmount 8-Bay RAID Enclosure Docking Bracket Power Cord Limited 1-Year Warranty Table of Contents
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Technical parametersJMR Electronics LTNG-XQ-8-RM Specs | | | Expansion Slots | 4 x PCIe x16 (x4 mode) | | Ports | 4 x Mini DisplayPort Thunderbolt 2 | | | | Internal Drive Bays | 8 x 2.5" | | Compatible Drive Interface | SAS-2, SATA (Unspecified Version) | | | | Power Source Type | 460 W Internal PSU | | | | Form Factor | Rackmount | | Dimensions | 7.0 x 11.0 x 16.0" / 17.8 x 27.9 x 40.6 cm | | Weight | 22 lb / 10 kg |
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