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Magnum DS880 Dual-Speed Stackable Hubs Installation and User Guide (05/01)
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3.0 Magnum DS880 Installation
Before installing the equipment, it is necessary to take the
following precautions:
1.) If the equipment is mounted in an enclosed or multiple rack
assembly, the environmental temperature around the equipment must be
less than or equal to 50
0
C.
2.) If the equipment is mounted in an enclosed or multiple rack
assembly, adequate air flow must be maintained for proper and safe
operation.
3.) If the equipment is mounted in an enclosed or multiple rack
system placement of the equipment must not overload or load unevenly
the rack system.
4.) If the equipment is mounted in an enclosed or multiple rack
assembly, verify the equipment’s power requirements to prevent
overloading of the building/s electrical circuits.
5.) If the equipment is mounted in an enclosed or multiple rack
assembly verify that the equipment has a reliable and uncompromised
earthing path.
6.)
If the intra-building wiring (cabling) is involved with this
product(NEBS), then it is recommended to have shielded cable and the
shield is grounded at both ends.
This chapter provides instructions for installing the Magnum DS880 hubs
3.1 Locating Magnum DS880 Dual-Speed Hubs
The location of a Magnum DS880 Dual-Speed Hub is dependent on the physical
layout of the network. Typically the hub is placed where combinations of 10Mb and 100Mb
network devices need to be connected to communicate with each other. The compact size of the
unit allows it to be conveniently placed in an office or lab area, and it can also be either shelf of
wall-mounted (see instructions in 3.1.2 below). Wall-mounting brackets are included, usable for
single units (but not for stacks). The width of two DS880 units will fit in a 19” rack when they
are side-by-side.
Locate an AC receptacle that is within six feet (2 meters) of the intended Magnum
DS880 site. The rugged metal case of the Magnum DS880 will normally protect it from
accidental damage in a lab or workplace setting. Maintain an open view of the front to visually
monitor the status LEDs. Keep an open area around the unit so that cooling can occur from the
small fan in the bottom-rear while the unit is in operation.
3.1.1 Table-Top or Shelf Mounting
The Magnum DS880 Dual-Speed Hub can be easily mounted on a table-top or any
suitable horizontal surface, and has four rubber feet to provide stability without scratching
finished surfaces. When stacked, the rubber feet also provide separation between units for the
exhaust of the rear cooling fan.