GarrettCom Magnum ES42 Series Installation And User Manual
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GarrettCom Magnum ES42 Series Installation And User Manual

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Corporate Headquarters
Magnum ES42 Edge Switches
GarrettCom, Inc.
47823 Westinghouse Dr.
Fremont, CA 94539
Phone (510) 438-9071
Fax (510) 438-9072
Website: http://www.GarrettCom.com
email support@garrettcom.com
Installation and User Guide
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www GarrettCom com
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$5.00 USD

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Summary of Contents for GarrettCom Magnum ES42 Series

  • Page 1 Corporate Headquarters Magnum ES42 Edge Switches GarrettCom, Inc. 47823 Westinghouse Dr. Fremont, CA 94539 Phone (510) 438-9071 Fax (510) 438-9072 Website: http://www.GarrettCom.com email support@garrettcom.com Installation and User Guide w GarrettCo m com www GarrettCom com $5.00 USD...
  • Page 2 ES42 10/100 Mb/s Edge Switch products, consult Section 5, Troubleshooting, of this User Guide. Copyright © 2005 GarrettCom, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from GarrettCom, Inc. Printed in the United States of America.
  • Page 3 ES42 Series Edge Switches Installation and User Guide (05/05) Federal Communications Commission Radio Frequency Interference Statement This equipment generates, uses and can 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.
  • Page 4 ES42 Series Edge Switches Installation and User Guide (05/05) Contacting GarrettCom, Inc Please use the mailing address, phone and fax numbers and email address listed below: GarrettCom, Inc. 47823 Westinghouse Dr. Fremont, CA 94539 Phone (510) 438-9071 Fax (510) 438-9072 Website: http://www.GarrettCom.com...

  • Page 5: Table Of Contents

    Applications for ES42 Series Edge Switches ... 28 INSTALLATION... 36 Locating the Edge Switch Unit ... 36 MC14-TRAY for Rack Mounting of ES42 Series Switches ... 38 MC14-TR+PS9 and MC14-TR+PS9X2 for Rack Mounting... 39 DIN-Rail mounting option... 41 Power Requirements, Power Supplies for ES42 Series Switches... 42 Powering the ES42H and ES42P with 12V, 24V or –48VDC power 44...
  • Page 6 Connecting Fiber Optic SC-type, "Snap-In" ... 52 3.8.4 Connecting Single-Mode Fiber Optic ... 52 3.8.5 Power Budget Calculations for ES42 Series, Fiber Media ... 53 3.8.6 Connections to NICs which support Auto-Neg RJ-45 ports... 55 OPERATION ... 56 Dual-Speed Functionality, and Switching ... 56 Auto-cross (MDIX), Auto-negotiation and Speed-sensing...
  • Page 7 APPENDIX A: WARRANTY INFORMATION... 69 Revisions Rev A 05/05: Minor updates on MDIX (Auto-cross) Rev A 02/05: Initial release of this user manual for ES42 Edge Switches GarrettCom, Inc. reserves the right to change specifications, performance characteristics and/or model offerings without notice.

  • Page 8: Specifications

    ES42 Series Edge Switches SPECIFICATIONS Technical Specifications Ports Performance When a port is operating at 100Mbps: Data Rate: 100Mbps When a port is operating at 10 Mbps: Data Rate: 10 Mbps Network Standards 100Mb: Ethernet IEEE 802.3u, 100BASE-TX, 100BASE-FX 10 Mb: Ethernet IEEE 802.3, 10BASE-T Auto-sensing for speed: IEEE 802.3u...
  • Page 9 ES42 Series Edge Switches Address buffer age-out time: 300 sec. Packet buffers memory: 128KB, dynamically shared on all domains Latency (not including packet time): Path Delay Value: 50 BT on all ports LLL(Link-Loss-Learn): Factory default is activated on port 1 and 2...
  • Page 10 ES42 Series Edge Switches Operating Environment ES42: 32ºF to 104ºF (0ºC to 40ºC) ES42H: -13ºF to 140ºF (-25ºC to 60ºC) Long term per agency tests (UL). -40ºF to 149ºF (-40ºC to 85ºC) Short term per IEC Type tests. ES42P: -40ºF to 167ºF (-40ºC to 75ºC) Long term per agency tests (UL).
  • Page 11 ES42 Series Edge Switches Packaging: Enclosure: Rugged sheet metal (Steel). Dimensions of the Switch unit: 3.7 in H x 3.0 in W x 1.7 in D (9.4 cm x 7.6 cm x 4.3 cm) Weight: all models: 9.5 oz. (285g);...
  • Page 12 AC POWER SUPPLY ( using an external power adapter): All models have an (8-15)VDC output with 6ft long cord and a 2.5mm center +ve jack. The external AC power supplies are temperature rated to match the Edge Switch ratings. Office Models Ratings (0 to 40°C) North America (-d) models.
  • Page 13 ES42 Series Edge Switches Installation and User Guide (05/05) International (-i) models. Input: 240vac at 50Hz with IEC 320 connector for the user supplied AC power cord. Output:12vdc, 1Amps Factory Floor Models (H) Ratings (-25 to 60°C) North America (-Hd) models. Hardened, factory floor temperature rated. Input: 6ft AC 3power cord to IEC 320 connector on the 100-240vac 47-63Hz external power adapter.
  • Page 14 ES42 Series Edge Switches Installation and User Guide (05/05) Direct DC POWER SUPPLY : built-in terminal block for +, -, ground along with 12VDC jack 12V DC internal (range 8.0 to 15V DC), 24V DC internal (range 10 to 36V DC), -48V DC internal (range 30 to 60V DC),+ , -, ground.
  • Page 15 They are shielded 8-pin female connectors for shielded (STP) and unshielded (UTP) Cat 3, 4, 5 cable. One Fiber optic port: On the ES42 Series it is 100Base-FX with a “fiber flavor” choice of multimode SC, ST, LC or MTRJ or single mode SSC, SSCL, SST or SLC connectors.
  • Page 16 ES42 Series Edge Switches Mounting options Metal mounting clips for panel mounting: included DIN-Rail mounting option: Model # DIN-RAIL MC2 (see Section 3.4) Rack-mount option: MC14-TRAY, see Depth: 6.0”, width: 17” Height: 2.25” (15cm D x 43cm W x 5.7cm H)

  • Page 17: Summary Of Models And Descriptions

    1.2 Summary of models and descriptions: Note: The ES42 model # consists of the base unit type and the power input. Insert S for sgl-mode , the fiber flavor (2ff) and the power input. H- hardened, P-premium, R- Din –Rail MC2, d- domestic, i –...
  • Page 18 Other Tray configurations with power supplies and power cabling included - See Section 3.3 DUAL-SRC-24KIT= Cable kit for 24VDC input power input jack for one ES42, any 24VDC model DIN-RAIL-MC2 = Metal DIN-Rail mounting bracket for one ES42 Series Switch, See Section 3.4...

  • Page 19: Introduction

    ES42 Series Edge Switches INTRODUCTION This section describes ES42 Series models, including appearance, features and typical applications. 2.1 Inspecting the Package and the Product Examine the shipping container for obvious damage prior to installing this product; notify the carrier immediately of any damage which you believe occurred during shipment or delivery.

  • Page 20: Product Description

    Magnum ES42 Series Switches are designed as an Ethernet edge solution in heavy-duty industrial, military and un-controlled temperature applications, as well as an economical solution for the growing requirements of managed networks. ES42, a six port versatile family of compact Edge switches, loaded with factory configurable fiber options and AC/DC power input options with Alarm terminal block and innovative packaging is ready to serve the needs of edge-of-the network applications.
  • Page 21 1 and 2 to qualify for any redundant and self-healing managed network structures. The Link-Loss-Feature in ES42 allows the Edge switches to flush the internal address buffers in milliseconds to permit a quick change in LAN packets flow, and...
  • Page 22 The Magnum ES42 regular-package units are for office and indoor wiring closet environments. These are the economical base units in the ES42 Switch family. An external AC power supply for either North America (-d, 115vac 60Hz) or international (-I, 230vac, 50Hz) is included.
  • Page 23 AC power supply. A ventilated 40°C. Storage temperature rating is - 40°to 85°C. Metal clips are included for secure panel Fig 2.2b,c (ES42-1ff) with four10/100 RJ-45 and one & two 100Mb Fiber(ES42-2ff ) www GarrettCom com Installation and User Guide (05/05)
  • Page 24 ES42 Series Edge Switches Installation and User Guide (05/05) mounting and optional DIN-Rail mounting. The regular model ES42 also has a rack- mount option via an MC-TRAY. The regular model, ES42, includes Link-Loss-Learn, MDIX ports and the full range of fiber port options. The regular ES42 model does not have options for Alarm and DC power.
  • Page 25 ES42 Series Edge Switches heavy duty industrial jobs. In addition to a Hardened AC power option and jack, terminals for internal DC power choices at 8 to15V, 24V or -48V DC are included. The ambient temperature rating of –25 to 60C is for industrial use. No internal air flow is required for cooling, so it resists dust, dirt, moisture, smoke and insects.
  • Page 26 ES42 Series Edge Switches AC or internal DC power are available. Ambient operating temperature is –25°C to + 60°C depending on the power source used. Storage temperature rating is –25°C to + 85°C. labeled Magnum ES42P Premium-rated units are for temperature un- controlled applications (-40 to 75°C), typically located outdoors.
  • Page 27 44 for details. The front side of the unit has four/five twisted-pair 10/100Mb switch ports and one/two 100Mb fiber port. All the RJ-45 ports of the ES42 Series Edge switches support www GarrettCom com Installation and User Guide (05/05)
  • Page 28 (MDIX) operation under auto-negotiation mode. The ES42 series provides switching among four 10/100 auto-negotiating copper ports and two 100Mb fiber ports which may be SC, ST, MTRJ or LC multi-mode or single-mode. The ES42’s breadth of fiber options and well as temperature options provide many networking options and solutions in a very small footprint.

  • Page 29: Frame Buffering And Latency

    There is a power (PWR) LED to indicate that the unit is turned ON. The fiber ports on the ES42 Edge switches are multi-mode or single-mode with an SC, ST or small form factor connector (MTRJ multi mode or LC single-mode).
  • Page 30 When the port buffer fills up, dropped packets result.) This dynamic buffer allocation provides the capability for the maximum resources of the Magnum ES42 Series unit to be applied to all www GarrettCom com...
  • Page 31 Since the traffic on an operating network is constantly varying in packet density per port and in aggregate density, the Magnum ES42 Series Edge Switches are constantly adapting internally to provide maximum network performance with the least dropped packets.

  • Page 32: Features And Benefits

    The latency (the time the frame spends in the Switch before it is sent along or forwarded to its destination) of the ES42 Series Edge Switches varies with the port-speed types. The length of the frame is a variable as it is with all store-and-forward switches. For 10 Mb-to-10 Mb, 10 Mb-to-100Mb or 100Mb-to-10 Mb forwarding, the latency is 15 microseconds plus the packet time of 10 Mb.
  • Page 33 10/100 domains without affecting operations. Two sets of LEDs for viewing status from any angle. Each ES42 Series Edge Switch is equipped with two sets (front and side) of LEDs to provide status information when viewed at almost any angle or mounting arrangement whether rack (MC14- Tray) or Din-Rail mounted.
  • Page 34 Efficient Compact design, for all purpose convenient mounting Featuring a compact steel case with an external AC and internal DC power supply, Magnum ES42 Series of Edge Switches can be installed in small spaces in cabinets, on table tops, in racks, walls or DIN-Rail mounted and in trays such as the Magnum MC14-TRAY.

  • Page 35: Applications For Es42 Series Edge Switches

    Available in three “hardiness” models (Yellow - “office/wiring closet”, Orange – “Hardened”, Red- “Premium rated (outdoor)”), and hundreds of port-type combinations, Magnum ES42 Series Edge Switches fit very well in almost any environment to enable users to scale their networks quickly and cost effectively. The edge-of-the-network...
  • Page 36 Ports 1 and 2 enable easy expansion for the on-going demand of Ethernet networks. The 10/100Mbps auto-negotiating MDIX copper ports and the breadth of 100Mbps fiber ports enable easy interfacing with existing cable plant and equipment. Models of ES42 Edge Switches are available for even the most extreme temperatures. The ES42’s rugged case provides extra support in the harshest industrial environments.
  • Page 37 ES42 Series Edge Switches Example1. Supermarket application for ES42 Magnum ES42 Premium Edge Switch ver 2 In this example, the Mining function to store all the transaction with an ongoing demand to expand the network. www GarrettCom com Insta llation and User Guide (05/05)
  • Page 38 The easily deployable through Din-rail option and the dual power source of flexibility along with flavor of fiber option for distance, the ES42 easily meets all the requirements of supermarket. The plug-n-play ES42 not only provides a reliable solution but also reduces operational costs significantly.
  • Page 39 Built with high- grade components, efficient cooling techniques and having no openings for dirt to enter, the ES42 Series Edge Switches provide the very effective solution for this need. The CS14H offers additional and affordable fiber connectivity to the ES42H where needed.
  • Page 40 ES42 Series Edge Switches iMa c www GarrettCom com Installation and User Guide (05/05) iMa c iMa c ES42H in a Industrial application iMac...
  • Page 41 ES42 Series Edge Switches Installation and User Guide (05/05) Example 3: ES42P: In this example, the Magnum ES42P premium Edge Switches are deployed to serve as a secure corporate or transportation surveillance system. CCTV cameras may be spread out over many miles in temperature un-controlled locations and with pan, tilt and zoom (PTZ) controlled through an Ethernet copper port .The premium...
  • Page 42 ES42 Series Edge Switches i Mac CCTV Camera CCTV Camera i Mac CCTV Camera CCTV Camera CCTV Camera CCTV Camera ES42p in a Outdoor application The ideally suited ES42P with its diversified features, premium rated approvals and cost- effective solution, make an ideal choice in outdoor environments.

  • Page 43: Installation

    ES42 Series Edge Switches INSTALLATION This section describes the installation of the Magnum ES42 Series Edge Switches, including location, mountings, power supply options and media connection. 3.1 Locating the Edge Switch Unit All the ES42 Series Switches operate in transparent half-and full-duplex mode. The...
  • Page 44 ES42 Series Edge Switches Installation and User Guide (05/05) The compact and lightweight design of the Magnum ES42 Series allows it to be easily installed in almost any location. A Velcro strip may be used for mounting the unit on a vertical surface such as a wall or cabinet, or for securing the unit on a table-top or shelf.

  • Page 45: Mc14-Tray For Rack Mounting Of Es42 Series Switches

    ES42 Series Edge Switches Installation and User Guide (05/05) 3.2 MC14-TRAY for Rack Mounting of ES42 Series Switches For 19” rack-mounting of Magnum ES42 series Edge Switches, a rack-mount tray is available, the MC14-TRAY. The Edge Switches are mounted with...

  • Page 46: Mc14-Tr+Ps9 And Mc14-Tr+Ps9X2 For Rack Mounting

    In a typical installation, the MC14-TRAY, 19” rack-mount tray will hold a few (three to eight) ES42 Series Edge Switches, with their power supplies plugged into power strips (not included) in the rear area of the tray. Metal mounting screws in the bottom-front hold the Edge Switches firmly in place.
  • Page 47 AC power supply in the rear area of the tray. (AC PS units that come with the office models of the Edge Switch’s are not used). Because of the thicker size, only eight ES42 units can fit in one MC14- TRAY.

  • Page 48: Din-Rail Mounting Option

    MC unit. The rail clip is spring-loaded with a pull-up latch at the top for easy “snap-on” attachment and removal. The Magnum ES42 models with “HR” have 24VDC power, and have the DIN- Rail-MC2 bracket included and assembled with the MC unit at the factory.

  • Page 49: Power Requirements, Power Supplies For Es42 Series Switches

    Installation and User Guide (05/05) 3.5 Power Requirements, Power Supply Types for ES42 Series Switches Magnum ES42 Series Switches are power-efficient and can work with an external AC power supply. Magnum ES42 Series require a nominal 12VDC input version. The extended temperature (H and P) versions are used for heavy duty industrial applications.
  • Page 50 ES42 Series Edge Switches Installation and User Guide (05/05) withstand higher temperature environments, and provide the DC power choices to the user to deploy in uncontrolled temperature environments. The Direct DC (Internal) 12V DC (8 – 15V DC) has a built-in terminal block for +, -, ground.

  • Page 51: Powering The Es42H And Es42P With 12V, 24V Or -48Vdc Power

    ES42 Series Edge Switches Installation and User Guide (05/05) 3.6 Powering the ES42H and ES42P (DC internal) with 12V, 24V or –48VDC power input Each Magnum ES42H/ES42P-Series is equipped with an internal DC power supply, and has built-in screw terminals for secure attachment of the power input leads.
  • Page 52 ES42 Series Edge Switches Installation and User Guide (05/05) Note: The ES42H or P models with 24VDC support the Dual Source 24V input option. An external Dual-SRC-24KIT (SHOWN AT RIGHT…and sold separately, or a customer- supplied equivalent) can be used to input 24VDC power to the ES4H or P unit via the jack.
  • Page 53 ES42 Series Edge Switches 3.6 continued, DC Power Terminals: “+”, “-”, gnd GND: Terminal for “earth” or ground wire connection to the ES42H chassis Input Voltage: 12VDC Alarm Contact Terminal 12VDC (8-15VDC) (12V) (8-15VDC) Input 0.8 amp.(12V DC) 0.4 amp max.(24V DC) 0.2 amp max.(-48V DC)

  • Page 54: Es42H And P Series, 12Vdc, 24Vdc And -48Vdc Installation

    ES42 Series Edge Switches Installation and User Guide (05/05) 3.7 ES42H and P Series, DC-powered, 12VDC, 24VDC and -48VDC Installation This section describes the proper connection of the -48VDC leads (or 24VDC, 12VDC leads) to the DC power terminal block on the Magnum ES42H Edge Switch (as shown in the Figure).

  • Page 55: Connecting Ethernet Media

    When power is applied, the green PWR LED will illuminate. 3.8 Connecting Ethernet Media The Magnum ES42-Series Edge Switches can be connected to two media types i.e. fiber and copper (RJ-45) types, runt at 100BASE-TX, 10BASE-T and 100BASE-FX only. CAT 5 cables should be used when making 100BASE-TX connections. When the...
  • Page 56 NOTE : It is recommended that high quality CAT. 5 cables (which work for both 10 Mbps and 100Mbps) be used whenever possible in order to provide flexibility in a mixed-speed network, since ES42-series switch ports are auto-sensing for either 10 and 100Mbps. Note that the auto-cross function does not operate, if the port is fixed or not supporting auto-negotiation.

  • Page 57: Connecting Twisted Pair

    For Port # 1 or 1SW, if the LINK LED is not illuminated, move the switch which has a cross-over or up-link for linking to another hub or Switch.

  • Page 58: Connecting Fiber Optic St-Type, "Twist-Lock

    ES42 Series Edge Switches 3.8.2 Connecting Fiber Optic ST-type, “twist-lock” The following procedure applies to installations using ST-type fiber connectors. This procedure applies to ports using multi-mode ST fiber connectors. Before connecting the fiber optic cable, remove the protective dust caps from the tips of the fiber connectors.

  • Page 59: Connecting Fiber Optic Sc-Type, "Snap-In

    ES42 Series Edge Switches 3.8.3 Connecting Fiber Optic SC-type, "Snap-In" The following procedure applies to installations using SC-type fiber connectors, i.e., using multi-mode SC and SC single-mode. While connecting fiber media to SC connectors, simply snap on the two square male connectors into the SC female jacks of the Fiber connector until it clicks and secures.

  • Page 60: Power Budget Calculations For Es42 Series, Fiber Media

    ES42 Series Edge Switches 3.8.5 Power Budget Calculations for ES42 Series, Fiber Media Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget. To calculate the power budget of different fiber media installations using Magnum products, the following equations should be used:...
  • Page 61 ES42 Series Edge Switches Fiber Speed, Std. km Wavel Port Mode Std. Module (hdx) ES42- 100Mb Multi- mode (0.4) MST, MSC 100Mb Single- ES42-SSC mode (0.4) 100Mb Multi- ES42- mode (0.4) MTRJ Single- 100Mb Long Reach mode (0.4) ES42-LC 100Mb...

  • Page 62: Connections To Nics Which Support Auto-Neg Rj-45 Ports

    Pulse (FLP) coding for the 100BASE-TX signaling system. When connecting a NIC to the ES42-Series, it may be necessary to reload the NIC drivers on the user device if the NIC has been communicating with a protocol other than 100BASE-TX (such as 10BASE-T).

  • Page 63: Operation

    “communicate” with 100Mbps users as well as other 10 Mbps users through the switch. Similarly, the 100Mbps traffic obeys the rules of 100Mbps Ethernet, and can communicate with 10 Mb and 100Mb users. Magnum ES42 Series units are plug-and-play www GarrettCom com...
  • Page 64 Packets needed for maintaining the operation of the network (such as occasional multi-cast packets) are forwarded to all ports. The Magnum ES42 Series Edge Switches operate in the store-and-forward switching mode, which eliminates bad packets and enables peak performance to be achieved when there is heavy traffic on the network.

  • Page 65: Auto-Cross (Mdix), Auto-Negotiation And Speed-Sensing

    ES42 Series Edge Switches nodes are added or removed or moved from one segment to another, the ES42- Series switch automatically keeps up with node locations. An address-aging algorithm causes least-used addresses to fall out in favor of new frequently-used addresses. To reset the address buffer, cycle power down-and-up.
  • Page 66 ES42 Series Edge Switches Installation and User Guide (05/05) at the other end of the cable should similarly advertise / respond. Both sides will agree to the speed and mode to be used per the IEEE 802.3u standard. Depending upon the devices connected, this will result in agreement to operate at either 10 Mbps or 100Mbps speed, and full- or half-duplex mode.

  • Page 67: Dual Leds, Front-Panel And Side-Panel (Magnum Es42 Series)

    NOTE: The port#1 and 2 is being assigned for copper or fiber port for different models. On all copper 10/100 ports model (e.g ES42-d), the LEDs 10 or 100 denotes for copper port only. For the model 4copper +2 fiber or 5copper +1fiber,(e.g ES42H- ff-Hd) the F or H denotes for fiber port only.
  • Page 68 The NC Alarm Contact is held close when there is power on the main board inside of the ES42. This provides a “Hardware operated Alarm” because the NC contacts will open when internal power is lost, either from an external power down condition or by the failure of the power supply inside of the Magnum ES42 Switch.

  • Page 69: Troubleshooting

    All Magnum Ethernet products are designed to provide reliability and consistently high performance in all network environments. The installation of Magnum ES42 Series 10/100 Mb/s Switches is a straightforward procedure (see INSTALLATION, Section 3.0); the operation is also straightforward and is discussed in Section 4.

  • Page 70: Before Calling For Assistance

    ES42 Series Edge Switches procedures described in this section or if the Magnum ES42 Series 10/100 Mb/s Switch is not performing as expected, do not attempt to repair the unit; instead contact your supplier for assistance or contact GarrettCom Customer Support.
  • Page 71 Make sure that an AC power cord is properly attached to each Magnum ES42-Series unit. Be certain that the AC power cord is plugged into a functioning and appropriate electrical outlet. Use the PWR LEDs to verify each unit is receiving power.

  • Page 72: When Calling For Assistance

    If the problem continues after completing Step 5 above, contact your supplier of the Magnum ES42 Series 10/100 Mb/s Switch unit or if unknown, contact GarrettCom, Inc by fax, phone or email - (support@garrettcom.com) for assistance.

  • Page 73: Return Material Authorization (Rma) Procedure

    ES42 Series Edge Switches An accurate list of GarrettCom product model(s)involved, with serial number(s). Include the date(s) that you purchased the products from your supplier. It is useful to include other network equipment models and related hardware, including Convenient computers, workstations, terminals and printers; plus, the various network media types being used, along with diagram of network setup.
  • Page 74 Date of installation Failure symptoms, including a full description of the problem. GarrettCom will carefully test and evaluate all returned products, will repair products that are under warranty at no charge, and will return the warranty-repaired units to the sender...
  • Page 75 (user) charge. 5.4 Shipping and Packaging Information Should you need to ship the unit back to GarrettCom, please follow these instructions: 1. Package the unit carefully. It is recommended that you use the original container if available. Units should be wrapped in a "bubble-wrap" plastic sheet...
  • Page 76 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.
  • Page 77 GarrettCom, Inc. warrants its products to be free from defects in materials and workmanship for a period of three (3) years from the date of shipment by GarrettCom. During this warranty period, GarrettCom will repair or, at its option, replace components in the products that prove to be defective at no charge other than shipping and handling, provided that the product is returned pre-paid to GarrettCom.

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