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Magnum DS880 Dual-Speed Stackable Hubs Installation and User Guide (05/01)
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(1.1 Technical Specifications, continued)
48VDC Power Supply (Optional
)
Power Input Voltage : 36 to 72 VDC (auto ranging)
Terminal Block in rear: “-, GND, +”
Power Consumption: 20 watts max.
Network Cable Connectors - for the eight RJ-45 shielded female ports per hub
100Mb: Category 5 UTP/STP
10Mb: Category 3, 4, 5 UTP (Note: speed-sensing does not sense cable type)
Stacking Cable - stacking may be up to four DS880 hubs, or 32 ports
A stacking cable with 50-pin “SCSI” male connectors, shielded, 9 inches (23 cm)
long, is included with each Magnum DS880-A Dual-Speed add-on unit.
Switch, Manual
UP-LINK : MDI-X thumb-operated slide switch, converts RJ-45 port #8 from a
regular (=position) user segment port to a crossover (X position) up-link port for
On/Off connection to a central hub or another cascaded hub. The up-link port #8
is auto-sensing for speed, and the up-link works the same at 10Mb or 100Mb.
Packaging
Enclosure: High strength metal. Metal mounting brackets included.
Suitable for wiring closet shelf, wall or desktop mounting.
Dimensions: 9.75 in D x 8.5 in. W x 1.4 in. H ( 25cm x 22cm x 3.5cm)
Weight: 2.5 lb. ( 1.15 Kg)
Cooling method: Fan cooled, internal @ 9 cfm
LED Indicators
PWR : Steady On when power applied
BR : Bridge Module Indicator, On when 10/100 bridge module is installed
(Model DS880-B), Off when no bridge module is inside (DS880-A)
COL : Collision LEDs, one each for 100Mb and 10Mb speed domains
ACT : Common packet activity indicator, one for each traffic domain
100 (per port): Steady On when speed is 100Mbps , Off when speed is 10Mb,
flashing when auto-negotiating or when not connected (no LINK)
LK (per port): Steady On when twisted-pair link is operational
RX (per port): Activity, flashing when port is receiving data
Agency Approvals
UL Listed (UL 1950), cUL, CE
Emissions: meets FCC Part 15, Class A
Optional: NEBS L3 Certified
Warranty
Three years, return to factory Made in USA