GarrettCom Magnum DS 880 Installation And User Manual Download Page 1

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www GarrettCom com

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GarrettCom, Inc.

47823 Westinghouse Dr.
Fremont, CA 94539-7437
Phone (510) 438-9071
Fax (510) 438-9072
Website: http://www.GarrettCom.com

email [email protected]

Magnum DS 880

10 / 100 Dual-Speed

Stackable Hubs

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Installation and User Guide

$5.00 USD

Summary of Contents for Magnum DS 880

Page 1: ...www GarrettCom com Magnum DS 880 10 100 Dual Speed Stackable Hubs I n s t a l a Installation and User Guide 5 00 USD...

Page 2: ...re trademarks and Personal Hub is a registered trademark of GarrettCom Inc Important The Magnum DS880 10 100 Dual Speed Stackable Hubs family contains no user serviceable parts Attempted service by un...

Page 3: ...n radiate frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and...

Page 4: ...ber ports can be connected in strings Mixed Media Fiber Hub 16 port Stackable 10 100 auto sensing Dual Speed 8 port and 16 port Stackables 10 100 auto sensing Stackable Hubs SNMP Optional 10Mb series...

Page 5: ...t Auto Negotiation 17 3 3 Powering the Magnum DS880 18 4 0 OPERATION 18 4 1 Dual Speed Functionality 18 4 1 1 Software Transparency 20 4 2 Port Speed settings for 10 100 and 10 100Mbps Mode only 20 4...

Page 6: ...g for speed IEEE 802 3u Packet Processing Between Domains internal 10 100 switch or bridge Filtering and Forwarding Rate from 100Mb ports 148 800 pps max Filtering and Forwarding Rate from 10Mb ports...

Page 7: ...ub 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 shel...

Page 8: ...ing cable internal auto ranging power supply cooling fan and metal brackets for shelf or wall mounting Magnum DS880 B Same as Magnum DS880 A but includes an internal switch module that bridges the two...

Page 9: ...ower Cord U S and other 115 vac locations only 1 Stacking Cable Model DS880 A add on no bridge inside units only 1 Set of metal clips and screws for wall mounting 1 Installation and User Guide 1 Produ...

Page 10: ...CT PWR LK RX BR UPLINK 1 2 3 4 5 6 7 8 GARRETT PWR 1 2 3 4 5 6 7 8 Magnum 8000E Stackable Hub 9 10 11 12 Figure 2 2 1 Magnum DS880 is functionally both a 10Mb and a 100Mb hub in one As Magnum DS880 Du...

Page 11: ...K RX BR 100 UPLINK 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 COL ACT 100 10 PWR LK RX BR 100 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 COL ACT 100 10 PWR LK RX BR 100 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 COL 100 10 RX ACT PWR...

Page 12: ...g information The AC power cord connector a universal recessed male IEC type is in the left rear of the chassis The internal power supply is auto ranging for any AC power input of 115 230 vac 50 60 Hz...

Page 13: ...eir internal bridges would not be able to function properly when more than one is present Note that two DS880 B units may be cascaded to operate together however Use DS880 B models un stacked or with...

Page 14: ...learning so that filtering forwarding of 10Mb and of 100Mb packets is maintained correctly even when users move their connection or change speed or power down The DS880 B s bridge module is implement...

Page 15: ...rformance switching provides full bandwidth in each domain unaffected by local traffic on the other domain One DS880 B per stack supports switching for all ports Stackable for flexible expansion Magnu...

Page 16: ...evices Example 2 Where there are existing 10Mb hubs and users they can easily be cascaded into any port of the DS880 B This allows simple plug and play addition of 100Mb ports to an existing 10Mb netw...

Page 17: ...ordingly Separately the 100Mb traffic domain obeys all of the rules of 100Mb Fast Ethernet shared networks hop counts PDVs cable types cable distances etc and can be treated as one 100Mb repeater Both...

Page 18: ...stalling 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 wh...

Page 19: ...cabling is 100 meters 328 ft Media IEEE Standard Connector Twisted Pair CAT 3 10BASE T RJ 45 Twisted Pair CAT 5 100BASE TX RJ 45 NOTE It is recommended that high quality CAT 5 cables which work for bo...

Page 20: ...E Std 802 3u 1995 actual delays may be less for a particular cable Contact your cable supplier for exact cable specifications Each Fast Ethernet device component also has an associated BT delay which...

Page 21: ...2 X 486 BT X 512 486 BT X 28 BT Twisted Pair cable length TL 28 BT 1 112 m BT TL 25 meters 25 m maximum total length for Category 5 inter repeater segment 1 2 3 4 5 6 7 8 COL ACT PWR LK RX BR UPLINK 1...

Page 22: ...ue to the relatively shorter bit time 80 BT actually measured for front port to port delay of the 100Mbps domain of the Magnum DS880 vs the industry standard delay of 92 BT for Class II repeaters The...

Page 23: ...rivers on the user device if the NIC has been communicating with a protocol other than 100BASE TX such as 10BASE T When 100Mb operation is agreed and in use the 100Mb LINK ACT LED is illuminated stead...

Page 24: ...ade based on the destination address contained in each packet If the destination address is on the same domain from which the packet originated then it is filtered and not forwarded to the other domai...

Page 25: ...and when a new node address will be added to the internal Address Table When a new node address packet comes into a port for the first time then the new source address is learned at the same time tha...

Page 26: ...10 100Mbps or 10 100Mbps auto sense The unit has been set at 10 100Mbps at the time of shipping The Switch SW3 represents port 1 to 4 and the switch SW2 port 5 to 8 as shown in the Fig 4 2 above The s...

Page 27: ...LED ON when a bridge module is present in the unit model DS880 B OFF when no bridge module is present model DS880 A COL Two collision LED s one for each traffic domain 10 and 100Mb Blinks intermitten...

Page 28: ...ection of the applicable chapter of this manual Also check to make sure that the various components of the network are interoperable 2 Check the cables and connectors to ensure that they have been pro...

Page 29: ...ng personal computers workstations terminals and printers plus the various network media types being used 4 A record of changes that have been made to your network configuration prior to the occurrenc...

Page 30: ...it in Styrofoam popcorn type packing material This material may cause electro static shock damage to the unit 2 Clearly mark the Return Material Authorization RMA number on the outside of the shipping...

Page 31: ...power supply internally nor will it blow the fuse in the internal power supply A A GND GND CHASSIS FUSE SUPPLY HUB POWER SWITCH The power switch included on premium priced NEBS certified units only i...

Page 32: ...the 48V or 48V power supply should be connected to the post leveled and then the rest Ensure that each lead is securely tightened 36 70VDC _ GND ON OFF On the premium priced NEBS compliant Magnum DS88...

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