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GarrettCom 6K32 manual

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Table of contents for the manual

  • Page 1

    i www Garre t t C om c om .. www Garre t t C om c om .. Corporate Headquarters GarrettCom, Inc. 478 23 Westinghouse Dri ve Fremont, CA 94539 Phone (510) 438-9071 Fax (510) 438-9072 Website: http ://www.GarrettCom.co m email support@garrettc om.com Magnum 6K32 Managed Switch Hardware Installation and User Guide[...]

  • Page 2

    Magnum 6K32 Managed Switch Installation and User Guide (05/05) i www Garre t t C om com .. Magnum  6K32 Managed Switch Hardware Installation and User Guide Part #: 84-00138 (Rev. A) Trademarks Ethernet is a trademark of Xerox Corporation NEBS is a trademark of Telcordia Technologies UL is a registered trademark of Underwriters Laboratories Garre[...]

  • Page 3

    Magnum 6K32 Managed Switch Installation and User Guide (05/05) ii www Garre t t C om com .. Contacting GarrettCom, Inc Please use the mailing address, phone and fax numbers and email address listed below: GarrettCom, Inc. 213 Hammond Ave. Fremont, CA 94539 Phone (510) 438-9071 Fax (510) 438-9072 Website: http ://www.GarrettCom .com email support@ga[...]

  • Page 4

    Magnum 6K32 Managed Switch Installation and User Guide (05/05) iii www Garre t t C om com .. 1.1 Technical Speci fications....................................................................... 1 1.2 Ordering Information ........................................................................... 4 2.0 INTRODUCTION ..................................[...]

  • Page 5

    Magnum 6K32 Managed Switch Installation and User Guide (05/05) iv www Garre t t C om com .. 5.1 Inspecting the Package and Product ................................................... 39 5.2 6KPM Module Description ................................................................ 40 5.2.1 6KP6-RJMST “twist lock” Com bo Module ....................[...]

  • Page 6

    Magnum 6K32 Managed Switch Installation and User Guide (05/05) www Garre t t C om com .. The Magnum Line ETHERNET CONNECTIVITY PRODUCTS "DESIGNED AND M ANUFACTUR ED IN THE USA" OVERVIEW GarrettCom, Inc. offers the premium-quality Magnum  line of Ethernet LAN connectivity products with industry -sta ndard functionality and built-in fibe[...]

  • Page 7

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 1 www Garre t t C om com .. 1.0 SPECIFICATIONS 1.1 Technical Specifications Performance Filtering / Forwarding Rate: Ethernet:14,880 pps Fast Ethernet: 148,800 pps Gigabit Ethernet: 1,488,000 pps Switching Processing Ty pe: Store and Forward with IEEE 802.3x full- duplex flow -control, [...]

  • Page 8

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 2 www Garre t t C om com .. Fiber connec tor types supported: ST-type (twist-lock) SC-type (snap-in) MTRJ-ty pe Small Form Factor (SFF) LC-type Sm all Form Factor (SFF) GBIC modules LEDs: Per Port LK: Steady ON when media link is operational ACT: ON with receiver port activity FDX/ HDX:[...]

  • Page 9

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 3 www Garre t t C om com .. Alarm Contact (Optional) Alarm Contact option is offered as a special order. The alarm s can be configured through two normally closed Form-C contacts, one for loss of power and one software alarm through user se lectable software traps. Manual switches for m[...]

  • Page 10

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 4 www Garre t t C om com .. 1.2 Ordering Information Magnum Managed Switch MODEL DESCRIPTION Magnum 6K32 Magnum 6K32 Managed Switch(32 to tal ports max.) base unit provides 24 10/100 RJ-45 ports and one optional port modul e slot, which may be configured with a selection of 10/100/1000M[...]

  • Page 11

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 5 www Garre t t C om com .. 6KP8-45-2MT “6+2” module, w/six RJ-45 ports and two 2km mm MTRJ connectors 6KP8-45-2SLC “6+2” module, w/six RJ-45 ports and two 100Mb 15km sgl. mode FX LC connectors Gigabit Transceiver options 6KP5V-G4RJ “G+2” module, with one GBIC transceiver an[...]

  • Page 12

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 6 www Garre t t C om com .. 2.0 Introduction 2.1 Inspecting the Package and Product Examine the shipping container for obvious damage prior to installing this product; notify the carrier of any damage that you believe occurred during shipment or delivery. Inspect the contents of this pa[...]

  • Page 13

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 7 www Garre t t C om com .. 2.2 Product Description - Magnum 6K32 Managed Switch The Magnum 6K32 Managed Switch provides high port density, with up to 32 ports in a 1U rack-mount packag e. It is used to boost the performance of large Ethernet LANs, typically serving as a “backbone” [...]

  • Page 14

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 8 www Garre t t C om com .. 2.2.1 Magnum 6K32 and 6K32R chassis The Magnum 6K32 is a 19” rack-mountab le Ethernet Switch with fixed 24 10/100 RJ-45 ports and a modular slot (8 ports max.) for configuration flexibility. The modular slot, shown on the right side below, may be configured[...]

  • Page 15

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 9 www Garre t t C om com .. 2.2.2 Eight-port SFF fiber modules (6K8-MTRJ, 6K8-MLC), 100Mb fiber Fig.2.2.2 : SFF Fiber Port Modules, 6K8-MTRJ (to the left) and 6K8-MLC or -SLC (below) In an eight-port SFF fiber port module, all of the fiber ports are of the same speed (100Mb), mode, and [...]

  • Page 16

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 10 www Garre t t C om com .. 2.2.3 Eight-Port Copper Module, 6K8-RJ45 The 6K32’s 8-port Copper port module, model 6K8- RJ45, provides eight 10/100Mb switched RJ-45 ports. The 10/100Mb switched ports normally (as a default setting) are independen tly N-way auto-negotiating for operatio[...]

  • Page 17

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 11 www Garre t t C om com .. mode fiber ST, SC or single mode SC or Long Reach SC ports. For ports numbering, ports 1,3,5,7 are copper, ports 2 and 6 are fibe r, ports 4 and 8 are not present. The four RJ-45 ports operate just like the 8-port copper module, and the two fiber ports opera[...]

  • Page 18

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 12 www Garre t t C om com .. 2.2.6 Gigabit (1000Mbps) port modules The Magnum 6K32 offered a wide option Gigabit speed with multiple choice for the modular slot. While up to two Gigabit modules (m axm.) can be configured in the modular slot. The Gigabit port option for the modular slot [...]

  • Page 19

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 13 www Garre t t C om com .. fulfills its role in support of QOS, giving packet processing priority to priority tagged packets according to the 802.1p standard. In addition to hardware support for QOS, the MNS software (R2) supports two priority que ues that can be shared across the eig[...]

  • Page 20

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 14 www Garre t t C om com .. 2.2.9 Managed Network Software (MNS-6K) for Magnum 6K32 Magnum 6K32 Managed Switches are fact ory-loaded with licensed MNS-6K software. For additional information about MNS-6K, see the Magnum MNS-6K Software User guide in pdf format, a s eparate document nor[...]

  • Page 21

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 15 www Garre t t C om com .. 2.3 Features and Benefits  Managed switching for high performan ce Ethernet LANs Magnum 6K32 Switches provide non-blocking (all ports can run at full speed at once) performance with standard Managed Ne tworks Software (MNS-6K) included. They are typically[...]

  • Page 22

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 16 www Garre t t C om com .. 2.4 Applications Magnum 6K32 Fiber Switches offer hi gh performance and a modular slot options to fulfill the choice of copper/Fibe r, 10 or100 or 1000Mb requirements. They offer the flexibility of 100Mbps fiber and coppe r ports as well as Gigabit ports in [...]

  • Page 23

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 17 www Garre t t C om com .. Full-duplex future proof fiber media can easily connect long distance subnets and provide a stable secure network to all applications. The SNMP management capability of the Magnum 6K32 Switch helps creat e a database of all the network subnets to easily mana[...]

  • Page 24

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 18 www Garre t t C om com .. advantage by fulfilling the present requirements as well as benefiting from the multiple choices of modules to support future expansion as the network evolves. The dual Gigabit port option in modular slot boosts the bandw idth for high speed to support the p[...]

  • Page 25

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 19 www Garre t t C om com .. from network faults, but also im pr oves operating up-time to simplify maintenance and save m oney and valuable time. In a critical application where secure data has been stored in a data mining storage facility, a redundant network provide a more secure sol[...]

  • Page 26

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 20 www Garre t t C om com .. 3.0 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[...]

  • Page 27

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 21 www Garre t t C om com .. individually selected and configured per- port. See Section 2.4 for a description of the PMs. The various media types supported along with the corresponding IEEE 802.3 and 802.3u standard s and connector types are as follows: IEEE Standard Media Type Max. Di[...]

  • Page 28

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 22 www Garre t t C om com .. 3.2.3 Connecting Single-Mode Fiber Optic When using single-mode fiber cable, be sure to use single-mode fiber port connectors. Single-mode fiber cable has a sm aller diam eter than multi-mode fiber cable (9/125 microns for single-mode, 50/125 or 62.5/125 mic[...]

  • Page 29

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 23 www Garre t t C om com .. Media IEEE Standard Connector Twisted Pair (CAT 5E) 1000BASE-T RJ-45 NOTE : It is recommended that high quality CAT. 5E cables (which work for both 100 Mb and 1000Mb) be used whenever possible in order to provide flexibility in a mixed-speed network. The fol[...]

  • Page 30

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 24 www Garre t t C om com .. Fig 3.3.1 Mountings for Magnum 6K32 units rack-mounted in a frame assemblies in rack-mounting frames where the rack-mount equipm ent is typically accessed in operation from both sides. The bracket mounting holes in the side s of the Magnum 6K32 permits it to[...]

  • Page 31

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 25 www Garre t t C om com .. D D C C B BA D D C C BB A A D D C C BB A A Standard Flush Mount Bracket Mid-Range Mount or Rear Mount With each bracket type, there are three differe nt mounting options is shown in Fig. 3.3.2 . The case of the Magnum 6K32 has mounting hol es prepared for ea[...]

  • Page 32

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 26 www Garre t t C om com .. Form C Normally Closed (NC) contacts to w hich the user can attach two sets of status monitoring wires at the green terminal block. When this option is pr esent, the terminal block for Alarm Contacts is part of the Power Input panel in the Magnum 6K32 case. [...]

  • Page 33

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 27 www Garre t t C om com .. Caution- Avoid Static Dischar g e : The po rt modules (like most electronic equipment) are sensit i ve to static discharge . Use proper ESD measures when handling port modul es. Step 1. Make sure the 6KPM Card package has all necess ary accessories to instal[...]

  • Page 34

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 28 www Garre t t C om com .. Fig 3.5.1b: Pulling out the top coved from the chassis base Caution: Be caref ul not to di sturb the power supply. Looking down into the Magnum 6K32 unit, notice that there are individual PM installation spaces and female latch (white) connectors provided on[...]

  • Page 35

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 29 www Garre t t C om com .. (#256 flat head ) which hold the PM Face pl ate card slot securely. These six screws shown in the picture below are used to secu re a PM face plate in position, but unscrew only four of the screws as shown in Fig. belo w. These screws are also used to secure[...]

  • Page 36

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 30 www Garre t t C om com .. Step 3. The figure here illustrates the basic layout of an individual PM card. 6KPM card fits into the space provided on the main board over the grand-daughter Bd. and the male latched cream color connector( as shown in above fig. with arrow mark). Fig 3.5.2[...]

  • Page 37

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 31 www Garre t t C om com .. NOTE: . When leaving 6KPM slots empty, always use a face plate (Magnum 6K8- BLNK) to cover the slot opening in th e fr ont panel. Th is will maintain proper cooling air flow, safety, and operation as requir ed by FCC, CE, and other regulations. Step 6. Now s[...]

  • Page 38

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 32 www Garre t t C om com .. Step 2. Remove retaining screws placed on top for the 6KPM and Face Plate On the top of the daughter module there are six retaining screws for each 6KPM card. Thes e screws are used to secure a 6KP M card in position (see Figure 3.5.3a). Remove the three sta[...]

  • Page 39

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 33 www Garre t t C om com .. 3.6 Connecting the Console Terminal to Magnum 6K32 (Management) Use a DB-9 “null modem” cable to connect the Magnum6K32 Console Port (the RS-232 port on the 6K32 Switch) to the your PC, so that your PC becomes the 6K32’s Console Terminal. Note: The DB-[...]

  • Page 40

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 34 www Garre t t C om com .. The above provided information enables a m anaged station( a PC or Console terminal) to connect directly to the switch using a straight through cable. Note : For using Console port to configure the managed switch, a serial (Null- modem ) female to female cab[...]

  • Page 41

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 35 www Garre t t C om com .. Address Learning All Magnum 6K32 units have address tabl e capacities of 4K node addresses suitable for use in larger networks. They are self-learning, so as nodes are added, removed or moved from one segment to anot her, the 6K32 Sw itch automatically keeps[...]

  • Page 42

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 36 www Garre t t C om com .. The Managed Magnum 6K32 Fast Ethernet copper ports can be set for either fixed 100Mb speed or N-way auto-nego tiation per the IEEE802.3u standard. The selection is made via 6K-MNS software. The factory default setting is for auto- negotiation. At 100Mb-fixed[...]

  • Page 43

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 37 www Garre t t C om com .. that they are in is power ed up. These are exceptions to th e “negotiate at LINK – enabled” rule above, but ma y be occasionally encou ntered. The auto-negotiation logic will attempt to operate in descending order and will normally arrive at the highes[...]

  • Page 44

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 38 www Garre t t C om com .. 4.6 Power Budget Calculations for Magnum 6K32 PM’s with Fiber Media Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget. To calculate th e power budget of different fiber media installations using Magnum prod[...]

  • Page 45

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 39 www Garre t t C om com .. GBIC- LXSC25 1000Mb Single- mod e 25 1550 9/125 -4.0 -21 15 37.5 17.5 43 GBIC- ZXSC4 0 1000Mb Single- mod e 40 1550 9/125 -4.0 -21 15 60 17.5 70 GBIC- ZXSC7 0 1000Mb Single- mod e 70 1550 9/125 -3.0 -23 18 90 20.5 102 * Not e: The use of either multi-mode or[...]

  • Page 46

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 40 www Garre t t C om com .. 5.2 6KPM Module Description An important feature of the Magnum 6K32 is the use of one Port Modules for flexible mixed-media connec tivity to RJ-45 and fiber media in the modular slot. Since the Magnum 6K32 Switches have dual-speed capability for copper ports[...]

  • Page 47

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 41 www Garre t t C om com .. 6KP4-RJ10MST, 4 Port@ 10Mb ST Fiber Port 2 6 T LK RX ACT F/H TX RX LK ACT F/H TX RX LK ACT F/H TX RX LK ACT F/H 1 5 3 2 1 FULL/HALF 1 ACTIVITY LINK 2 3 10/100 LED indicates the speed, if the LED is ON 100Mbps if it is OFF 10Mbps. 5.2.1a 6KP6-RJ10ST, 4@10/100[...]

  • Page 48

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 42 www Garre t t C om com .. 6KP4-RJ10MST, 4 Port@ 10Mb ST Fiber Port 2 6 T LK RX ACT F/H TX RX LK ACT F/H TX RX LK ACT F/H TX RX LK ACT F/H 1 5 3 2 1 FULL/HALF 1 ACTIVITY LINK 2 3 5.2.1c 6KP4-FLSTFX, 2@10Mb and 2@100Mb multi-mode FX-ST “twist lock” Module The Magnum 6KP4- FLSTFX is[...]

  • Page 49

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 43 www Garre t t C om com .. FDX / HDX and 10/100 operation, and th e same face-plate lettering. While the functionality of these two modul es is essentially the same, the 6KP6- RJMSC is equipped with an SC-type "snap- in" connector instead of an ST-type. 5.2.3 6KP6-RJSSC 4@ 1[...]

  • Page 50

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 44 www Garre t t C om com .. supporting the 100m distance and Fiber supporting single-mode fiber cable lengths of as much as 40+ Km (see Power Budget, Section 4.5) Each port has an Activity (ACT) LED indicating packets being received, a Link (LK) LED indicating proper connectivity with [...]

  • Page 51

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 45 www Garre t t C om com .. 5.2.5 6KP8-MTRJ, 8 @100Mb multi-mode FX , MTRJ Small-Form-factor Magnum 6KP8-MTRJ is a multi-mode fiber optic 8-port module equipped with a small-form-factor MTRJ-type connector. It looks almost like an RJ-45 port, but it is black in color. The MT-RJ’s sma[...]

  • Page 52

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 46 www Garre t t C om com .. indicating port activity (ACT), Li nk (LK), and FDX or HDX operation 5.2.6 6KP8-45MT, 4@ 10/100Mbps RJ-45 and 4@100Mb multi-mode FX , MTRJ Small-Form-Factor The Magnum 6KP8-45MT Module is a com bo module with copper and fiber (Small Form Factor) MTRJ type po[...]

  • Page 53

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 47 www Garre t t C om com .. (or half-duplex when off). 5.2.8 6KP8-45LC, Combo 4@ 100Mbps multi-mode -LC small-form factor and 4@ 10/100 Mbps RJ-45 Connector The Magnum 6KP8- 45LC Module is a combo module with a combination of copper and Fiber (Small Form Factor) LC type ports. The smal[...]

  • Page 54

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 48 www Garre t t C om com .. 4 3 2 4 6 LK 2 ACT F/H ACT F/H 6KP8V - 6KP8 -45-2MT 6 Port @ 10/10Mb p s and 2 port @100Mb Multi - Mode Fiber port 1 3 5 10/10 L 1 F/H AC 4 FULL/HALF 1 ACTIVITY LINK 2 3 10/100 10/100 F/H special twisted pair crossover cable wh en connecting to a hub or anot[...]

  • Page 55

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 49 www Garre t t C om com .. FX , LC Small-Form-Factor The Magnum 6KP8-45SLC eight port M odule is a combo module with copper and fiber (Small Form Factor) LC type fiber ports. The small size of LC connectors give an advantage of placing more ports on one module. The 6KP8-45- 2SLC is eq[...]

  • Page 56

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 50 www Garre t t C om com .. 5.2.11a GBIC-LX SC Gigabit fiber (1000Mb), multi-mode SC Connector The Magnum GBIC-LXSC is a single-mode Gigabit fiber connector equipped with SC type connectors and can be easily sn apped in and out. The Gigabit fiber ports are most popular as server-to-swi[...]

  • Page 57

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 51 www Garre t t C om com .. suggestions listed below prior to contacting your supplier. However, if you are unsure of the procedures described in this section or if the Magnum 6K32 Switch is not performing as expected, do not attempt to repair the un it; instead contact your supplier f[...]

  • Page 58

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 52 www Garre t t C om com .. preferred) d. Any particular application, envi ronment, power spike that, when used, appears to create the problem; 2. An accurate list of GarrettCom produc t model(s) involved, with serial number(s). Include the date(s) that you purchased the products from [...]

  • Page 59

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 53 www Garre t t C om com .. result in a customer (user) charge. 6.4 Shipping and Packaging Information Should y ou need to ship the unit b ack to GarrettCom, please follow these instructions: 1. Package the unit carefully. It is r ecommended that you use the original container if avail[...]

  • Page 60

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 54 www Garre t t C om com .. DC Power Connector: 3 terminals: “ - “, “GND”, “+” Input Voltage: 36 - 70 VDC Power Consumption: Same as for AC models (see Section 1.1) Power Supply (Internal 24 VDC Option) Industrial Applications DC Power Connector: 3 terminals: “ - “, “[...]

  • Page 61

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 55 www Garre t t C om com .. failure. It is also frequently used for computer system backup, management and operations monitoring equipment. The 24VDC and 125VDC solution are par ticularly useful in the Industrial environment, where it is common facilities to operate on 24VDC or 125VDC [...]

  • Page 62

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 56 www Garre t t C om com .. Operation of Magnum 6K32 Switches w ith the optional -48VDC, 24VDC and 125VDC power supply is identical to that of the standard AC-powered models. B6.0 ORDERING INFORMATION To order the optional -48VDC power supply factory installed, add a suffix of “- -48[...]

  • Page 63

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 57 www Garre t t C om com .. APPENDIX C: Internal DC Dual-Source Power Option C1.0 SPECIFICATIONS - FOR MAGNUM 6K32 FIBER SWITCH Power Supply (Internal, -48VDC Du al-Source, model # Dual-Src-48V) DC Power Connector: First Source: “A+”, “A -“ , 2nd Source “B - “, “B+” GND[...]

  • Page 64

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 58 www Garre t t C om com .. C4.0 FEATURES AND BENEFITS OF THE DUAL-SOURCE DESIGN a) The Switch unit can receive power from either input, “A” or “B”. The hub will normally draw its power from the DC source with the highest voltage at a given tim e. b) The Switch unit will not al[...]

  • Page 65

    Magnum 6K32 Managed Switch Installation and User Guide (02/05) 59 www Garre t t C om com .. C5.1 UL Requi r ements The following must be adhered to in or der to conform to UL requirements: 1. Minimum 18 AWG cable for connection to a Centralized DC power source. 2. Minimum 14 AWG cable for conn ection to earthing wiring. 3. Use only with Listed 10 A[...]