GarrettCom Magnum 3000 manual B4.0, Installation, This section describes

Page 55

Magnum 3000 Stackable Hubs

Installation and User Guide (07/06)

The –48VDC solution is particularly useful in the telecommunication industry, where it is common for facilities to operate on -48VDC power. Such companies include regular and wireless telephone service providers, Internet Service Providers (ISPs) and other communication companies. In addition, many high availability equipment services, such as broadcasters, publishers, newspaper operations, brokerage firms and other facilities often use a battery backup system to maintain operations in the event of a power failure. It is also frequently used for computer system backup, management and operations monitoring equipment.

The 24VDC & 125VDC solution are particularly useful in the Industrial environment, where it is common for facilities to operate on 24VDC or 125VDC power. The 125VDC solution is mainly used in power utilities, such as electrical substations, electrical generating plants, etc. The 24VDC applications are mainly in the Industrial environment, such as factory floor, HVAC equipment, military equipment, etc.

B4.0

INSTALLATION

_ GND

+

 

This section describes the

 

 

 

installation of the -48 VDC, 24VDC &

ON

125VDC power source leads to the -48

OFF

 

VDC, 24VDC & 125VDC power terminal block on the Magnum 3000 hubs. (see

figure at right).

36-70VDC

 

Figure B4.1: -48VDC Terminal Block on Magnum 3000 hubs

In this picture, the -48VDC terminal block on the Magnum 3000s is located on the rear of the unit and is equipped with three (3) screw-down lead posts. It is similar for 24VDC and 125VDC options on the Magnum 3000s. The leads are identified as negative (-), positive (+), and chassis ground (GND).

The actual connection procedure is very straightforward. Simply connect the leads to the Magnum unit, beginning with ground. Ensure that each lead is securely tightened.

Note: The GND should be hooked up first. The 3000s unit has a floating ground, so the user may elect to Ground either + or = terminal to suit the customer’s use.

Before connecting hot lines to the Terminal Block of –48VDC, 24VDC or 125VDC, always use a digital voltmeter to measure the output voltage of the power supply and determine the lead which is more “+ve potential”. The more “+ve” voltage lead from 48V or –48V supply must be connected to the post labeled “+”.

An ON-OFF manual switch is optional for DC power . This can be used in to cut off power connections and as a RESET for the Hub and / or SNMP Management Agent.

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Contents
Magnum Stackable Hubs Trademarks Magnum Stackable Hubs Installation and User GuideContacting GarrettCom, Inc GarrettCom, IncRevisions PrefaceTable of Contents Specifications Magnum 3024, MagnumIntro Simple Ntwrk Mgmt Protocol Snmp AGENTS32 Magnum Line Specifications Magnum 3024, Magnum Packaging DC Power Supply OptionsLED Indicators on Chassis Front WarrantySpecifications Bridge Port Modules BPMs Bonus Ports Specifications Repeater Port Modules RPMs Bonus PortsNetwork Management Options Etsi and NEBS-certified models, -48VDC poweredOrdering Information Magnum 3000 Stackable Hubs and ConcentratorsInspecting the Package and Product Introduction Magnum 3012 and 3024 Stackable HubsProduct Description Magnum 3000 Stackable Hubs Stacking Magnum 3000s Magnum 3024 Hub 24 RJ-45 Ports, One PM bonus port slotWww . GarrettCom . com Cable Stack3 4 5 6 7 4a, Magnum 3012 Hub, Front View Magnum 3012 Hub 12 RJ-45 Ports, One PM bonus port slotRear Bonus Slot, Port Modules PMs 5c Magnum 3012 internal layout with configured Bonus Port Included only when PM is factory installedBonus port for optional PM card BPM shown PM Ribbon cable with 16 pin connectorCBL-AUI Features and Benefits, Magnum 3024 and 3012 Hubs Wing B Wing a ApplicationsConnecting Ethernet Media Installation and OperationConnecting Twisted Pair RJ-45, Unshielded or Shielded Connecting ThinNet 10BASE2 BNC Connecting ThickNet 10BASE5 AUIConnecting Drop Cable 10BASE5 DTE Associated ports at each end of the fiber optic segment Connecting Fiber Optic SC-type, Snap-OnConnecting Single-Mode Fiber Optic SMF At regular intervals you must use the color-coded strand on’cvr Rack-mountingOptional BPM-BNC BPM-AUI BPM-TP BPM-FST Introduction Magnum Port ModulesProduct Description, Port Modules RPM-BNC, RPM-AUI, RPM-DTE RPM-FST or FSC, RPM-SMF, RPM-TPRPM-AUI RPM-BNCDirectly Magnum RPM-BNC Www . GarrettCom . com Magnum RPM-DTE RPM-DTE2 AUI Pin Assignments Pin Function3 km RPM-FST Fiber ST, Twist-lock ConnectorMagnum RPM-FST Jumper AcrossMagnum RPM-SMF RPM-FSC Fiber SC, Snap-in ConnectorRPM-SMF Single-mode Fiber Magnum RPM-FSC10 Km RPM-TP Twisted PairJumper Across Distances Supported Not usedMagnum BPM-BNC BPM-BNCBPM-FST BPM-AUIMagnum BPM-FST Segment distances up to 100m Ft., or shielded twisted pair wiringBPM-TP Environments with maximumSnmp Agents Description Introduction Simple Network Management Protocol Snmp AgentsEmbedded Snmp Agent, Model 3000-MB Standard Repeater MIB and Extensions Separate Agent Box, Model 3000-AGTWww . GarrettCom . com 3 Magnum Snmp Agent Commands Variable Type Installing the Embedded Agent Board, MB Installation, General Information3b Magnum 3024, Top View with Cover Off Remove Chassis Cover of the hubSet Group # Stack Address Magnum 3024/3012 Magnum Snmp Agent BoardSwitch # 7 and Switch # 8 are not used Address\switchAgent Configuration, Embedded Agent and Agent Box Versions Eight-Position DIP Switch Configuration TableManual IP Address Configuration Automatic Agent IP Address ConfigurationPerforming Self Diagnostics Community # Names Manager Bootp IP/NAMEBootp Bootp IP/NAME Address IP/ NameManager Manager # IP/NAME Port Community Community Community # Name S Manager11/12/93 1145 Cr Other Convenience CommandsBefore Calling for Assistance Return Material Authorization RMA Procedure When Calling for AssistanceNo Problem Found Shipping and Packaging Information Appendix a Warranty InformationB3.0 Applications for DC Powered Hubs Appendix B Internal DC Power Supply OptionB1.0 Specifications for Magnum 3000S Power Supply Internal -48VDC OptionB4.0 InstallationThis section describes B5.0 Operation Appendix C Internal DC Dual-Source Power OptionTroubleshooting C1.0 Specifications for Magnum 3000S HubsC3.0 DUAL-SOURCE OPTION, Theory of Operation C4.0 Features and Benefits of the DUAL-SOURCE DesignC5.1 UL Requirements C5.0 InstallationC7.0 Operation C6.0 Ordering InformationExample Magnum 3012-48VDC Example Magnum 3024-24VDC or Magnum 3012-125VDC
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