GarrettCom DS8016, Installation And User Manual

Page 1: ...www GarrettCom com Magnum DS8016 10 100Mb Dual Speed Stackable Hubs Installation and User Guide 5 00 USD ...

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Page 3: ...and Personal Hub is a registered trademark of GarrettCom Inc Important The Magnum DS8016 10 100 Dual Speed Stackable Hubs family contains no user serviceable parts Attempted service by unauthorized personnel shall render all warranties null and void If problems are experienced with Magnum DS8016 10 100 Dual Speed Stackable Hubs consult Section 6 Troubleshooting of this User Guide Copyright 2006 Ga...

Page 4: ...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 found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference whe...

Page 5: ...cted 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 and 100Mb series both w optional port modules Personal Switches 10 100Mb 8 port dual speed Auto negotiable with fiber option Personal Hubs 100Mb or 10 100Mb 8 port with two switched ports 1 fiber built in Personal Hubs 10M...

Page 6: ...g Ethernet Media 17 3 2 1 Connecting Twisted Pair 18 3 2 2 Attaching to the MII port in the rear 18 3 2 3 100Mbps Cable Distances and PDV Calculations 18 3 2 4 Connections to NICs which support Auto Negotiation 21 3 3 Powering the Magnum DS8016 21 4 0 OPERATION 22 4 1 Dual Speed and Domain Switched Functionality 22 4 2 Auto negotiation and speed sensing 25 4 3 LED s 25 4 4 Up link Port 1X 26 5 0 T...

Page 7: ...User Guide 07 06 Rev B 03 99 Added Reverse model specifications and collision domain diameter cable distances and pdv calculations Rev A 07 98 This revision is the initial release of the DS8016 10 100 Dual Speed Stackable Hubs user manual v www GarrettCom com ...

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Page 9: ...thernet IEEE 802 3 10BASE T Auto sensing 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 10 Mb ports 14 880 pps max Processing type Store and Forward Auto learning 8K address table shared for both traffic domains Packet buffers 2MB dynamically allocated shared ...

Page 10: ... user segment port or into 1X for use as a cross over X position up link port for connection to a central hub or another cascaded hub Packaging Enclosure High strength metal Rack mounting brackets included Suitable for wiring closet shelf 19 rack or desktop mounting Dimensions 1 75 in H x 17in Wx9 in D 4 4cm x 43 2cm x 22 9cm Weight 4 0 lb 1 8 Kg Cooling method Fan cooled internal 9cfm On Off manu...

Page 11: ...the 10Mb domains Stacks up to two DS8016 A units One DS8016 B unit stack supports all ports at 100Mb or 10Mb communicating with each other The internal switch has 2Mb dynamic store and forward packet buffers and 8K node addresses Magnum DS8016 E Same as Magnum DS8016 A but all ports operate at 100Mbps only not dual speed speed Each port will auto negotiate with an attached 10 100device for 100Mbps...

Page 12: ...r Cord U S and other 115 vac locations only 1 Stacking Cable Model DS8016 A and E add on no bridge inside units only 1 Set of metal Ears for optional rack mounting 1 Installation and User Guide 1 Product Registration Card Remove the Magnum DS8016 Dual Speed Hub from the shipping container Be sure to keep the shipping container should you need to ship the unit at a later date To validate the produc...

Page 13: ... 12 10Mb Hub 100Mb Hub DS8016A Figure 2 2 a Magnum DS8016s are functionally both a 10Mb and a 100Mb hub in one As Magnum DS8016 Dual Speed units are stacked the two shared traffic domains automatically expand to support all of the ports in the stack Any combination of 10Mb and 100Mb ports up to the maximum of 48 ports 3 units in one stack can be in use at any time Some DS8016 models the Magnum DS8...

Page 14: ...below as the bottom unit can be in any stack position Figure 2 2 c Stack of DS8016 s 2 DS8016 A s and 1 DS8016 B DS8016 A units can also be used without a DS8016 B whereupon they will function as dual speed stackable hubs This could be desired if an external non auto sensing switch such as the Magnum 300ES Two Port Switch is available to interconnect the two speed domains or if only 100Mb devices ...

Page 15: ...s auto ranging for any AC power input of 115 230 vac 50 60 Hz An internal DC power supply is optional see Appendix A 2 2 2 10 100 Speed Auto sensing All sixteen RJ 45 twisted pair ports support auto sensing for speed independent of the other ports Speed sensing is performed by the DS8016 s electronics in accordance with the standards of the IEEE 802 3u auto negotiation standard If the connected de...

Page 16: ... has the LEDs and all the connecting ports and power feeds are in the back This is convenient for rack mounting where cabling is accessed from the rear of the rack while the operating status LEDs are monitored from the front Typically such arrangements are found in telco rack installations The Magnum DS8016 R is dual speed and has a bridge module inside The bridge module interconnects 10 Mbps and ...

Page 17: ...cate that a DS8016 is a B bridge inside model The BR LED will be off if the unit is a Model DS8016 A or E The DS8016 B models cannot be stacked together as their internal bridges would not be able to function properly when more than one is present Note that two DS8016 B units may be cascaded to operate together however Use DS8016 B models non stacked or with only 1 Model DS8016 B in a DS8016 stack...

Page 18: ...e for use in large networks Addresses are self 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 DS8016 B s and DS8016 R s bridge module is implemented as a daughter board DS8016 units have an LED on the front labeled BR that will be ON when the module is installed internally Power up a...

Page 19: ... 802 3u providing interoperability with other products An internal switch connects the 10 and 100Mb domains on Model DS8016 B Model DS8016 BAND DS8016 R has an internal switch for filtering forwarding traffic between the 10 and 100Mb domains allowing all connected devices to communicate to each other High performance switching provides full bandwidth in each domain unaffected by local traffic on t...

Page 20: ... Nodes that are capable of 100Mb speed can be moved to any DS8016 dual speed port and will automatically operate at the higher speed The dual speed ports on the DS8016 B can be used for adding 100Mb users or for accommodating existing high performance users The 100Mb traffic does not use the bandwidth of the 10Mb domain so overall performance of the network is improved Figure 2 7 2 DS8016 B adds a...

Page 21: ...etworks hop counts PDVs cable types cable distances etc and can be treated as one 100Mb repeater Both traffic domains function within the same physical DS8016 hub or stack of hubs 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 X UPLINK LK RX PORT 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PWR BR COL 10 COL 100 Magnum DS8016 Stackable Hub 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 X UPLINK LK RX PORT 100 1 2 3...

Page 22: ...ackable Hub Server 100 100 100 10 Mb Hub 10 1 2 3 4 5 6 7 8 9 10 11 12 10 10 10 100 Print Server 100 100 100 100 100 100 10 100 GARRETT Magnum DS8016 R connects 10Mbps and 100Mbps domain with front LEDs display In a Telecommunication co the user expects a very reliable and high availability system which provide them the ability to join their existing 10Mbps network with fast ethernet The Magnum DS...

Page 23: ...y in a Restricted Access Location dedicated equipment room service closet and the like in accordance with the National Electrical code Installation This chapter provides instructions for installing the Magnum DS8016 hubs 3 1 Locating Magnum DS8016 Dual Speed Hubs The location of a Magnum DS8016 Dual Speed Hub is dependent on the physical layout of the network Typically the hub is placed where comb...

Page 24: ...3 brackets and ETSI brackets are also available optional for Rack mounting of Magnum 8000 units The 23 brackets are more popular in the Telco industry where they are a standard for Central Office Rack mounting purposes The 23 brackets are mainly used for larger equipment assemblies in rack mounting frames and are frequently accessed in operation from both sides Magnum 3000 Stackable Hub GARRETT Ma...

Page 25: ...protection and supply wiring Appropriate consideration of equipment nameplate ratings should be used when addressing this concern E Reliable Earthing Reliable earthing of rack mounted equipment should be maintained Particular attention should be given to supply connections other than direct connections to the branch circuit e g use of power strips 3 2 Connecting Ethernet Media The Magnum DS8016 Du...

Page 26: ...r these interoperability of user selected MII transceivers that may be attached to a DS8016 s MII port cannot be assured Use of the MII port is not normally recommended accordingly 3 2 3 100Mbps Collision Domain Diameter Cable Distances and PDV Calculations The 100Mbps Collision Domain Diameter is the length of the longest path between any two devices in a single collision domain A collision domai...

Page 27: ...devices DTEs which have the longest round trip time PDV sum of cabling delays sum of repeater delays DTE pair delay safety margin PDV is the Path Delay Value of the worst case path For the network to adhere to IEEE standard this value must be less than 512 BT The safety margin is specified in BT and may be a value between 0 and 5 This margin can be used to accommodate unexpected delays such as ext...

Page 28: ...r repeater cable segments The following is an example of how to calculate the maximum allowable cascade cable segment length An illustration of this example is shown in Figure 3 2 3b where the hub to user cable lengths are up to 75 meters for Cat 5 twisted pair The variable X the maximum hub to hub cable delay is calculated as follows PDV X 100 80 80 80 83 83 2 BT 512 BT 512 X 508 BT X 4 BT Twiste...

Page 29: ...ax User Segment Lengths m Max Inter Repeater Cascade Length m Notes 1 1 100 0 n a All ports TX 2 2 100 0 5 0 All ports TX 2 2 92 0 20 0 All ports TX 3 3 60 0 1 0 All ports TX Instructions for connecting the Magnum DS8016 Dual Speed Hubs to the various Fast Ethernet media are given in the following sections 3 2 4 Connections to NICs which support Auto Negotiation The Magnum DS8016 Dual Speed Hub wi...

Page 30: ... and Fast Ethernet 100Mb s domains It joins the two network domains for unified operation and filters forwards packets in both directions to maximize bandwidth utilization and performance Magnum DS8016s are hardware plug and play devices There is no software set up to be done at installation or for maintenance The functions of the DS8016s are described in this manual Each time a packet is received...

Page 31: ...able Filter 10 Mb In table Not in table None Forward 10 Mb In table In table None Filter 100 Mb Not in table Not in table Add source to table Forward 100 Mb Not in table In table Add source to table Filter 100 Mb In table Not in table None Forward 100 Mb In table In table None Filter Table 4 1 DS8016 B Domain Switched Hub Functionality 2 Address Learning Address Table Maintenance The Magnum DS8016...

Page 32: ...keeps the local traffic on each side contained preventing unnecessary packets and bad packets from traveling to the other domain and using up bandwidth needlessly there This results in more available network bandwidth on both sides and a throughput increase on for all users on both domains 4 Software Transparency The Magnum DS8016 A Dual Speed Hubs the DS8016 E 100Mb only Hubs and the DS8016 B Dua...

Page 33: ...o negotiated for 100Mb operation and is processing packets at 100Mb s When it is OFF it is at 10Mb s If a DS8016 port is connected to a non negotiating device it will default to 10Mb speed Since Magnum DS8016s are hubs they always operate in the shared or half duplex mode on all ports General information Auto negotiation per port for dual speed hubs occurs when the devices at both ends of the cabl...

Page 34: ...is receiving data 4 4 Up link Port 1X Magnum DS8016s each have one Up link port port 1X which can be used when port 1 is not connected The Up link port allows repeater to repeater connections without a special cross over cable It works the same for 10Mb or 100Mb connections Use port 1 or ports 2 thru 16 for straight through twisted pair cabling from the DS8016 port to a user device or the 1X port ...

Page 35: ...tion 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 properly connected and the cables wires have not been crimped or in some way impaired during installation About 90 of network downtime can be attributed to wiring and connector problems 3 Make sure that an...

Page 36: ...ing 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 occurrence of the problem Any changes to system administration procedures should all be noted in this record 5 3 Return Material Authorization RMA Procedure All returns for repair must be accompanied by a Ret...

Page 37: ...unit 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 container 3 GarrettCom is not responsible for your return shipping charges 4 Ship the package to GarrettCom Inc 47823 Westinghouse Dr Fremont CA 94539 7437 Attn Customer Service APPENDIX A WARRANTY...

Page 38: ...its 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 is used for powering the hub on and off when it is placed into or taken out of service B3 0 APPLICATIONS Magnum DS8016 Dual Speed Hubs are easily installed in a variety of applications where 48 VDC ...

Page 39: ...that each lead is securely tightened 36 70VDC _ GND ON OFF On the premium priced NEBS compliant Magnum DS8016 48V models an ON OFF switch is included located in the rear at the power input This can be used in conjunction with power connections and as a RESET for the hub s electronics B4 1 UL Requirements 1 Minimum 14 AWG cable for connection to a Centralized DC power source 2 Fastening torque of t...

Page 40: ...ON The hub models with the internal 48VDC Dual Source power supply are designed for installations where a battery plant is the power source and where two separate power sources are utilized in order to increase operational uptime and to simplify maintenance The functionality of the Magnum DS8016 48VDC Dual Source Option hubs are identical to the standard AC powered models All Port Module SNMP and ...

Page 41: ...e supply circuit when connected to a 48 V centralized dc source C5 0 INSTALLATION This section describes the proper connection of the 48VDC dual source leads to the 48VDC power terminal block on the Magnum DS8016 hub shown in Figure C4 0 The 48VDC terminal block on the Magnum DS8016 is located on the right rear of the unit and is equipped with five 5 screw down lead posts The primary terminals are...

Page 42: ... User Guide 07 06 34 www GarrettCom com Operation of the Dual Source Magnum DS8016 48VDC hub models is identical to that of the standard models Please refer to the applicable sections of the Installation and User Guide for more information on the basic hubs ...