USER MANUAL - Kramer Electronics
Contents
1. 390m CAT 6 cable due to the manufacture method can exhibit much greater skew than standard CAT 5 5e and may require skew compensation beyond what the standard product offers Contact Kramer Electronics for assistance CAT 5 5e 6 cabling for this product must be pinned to the TIA EIA T568B wiring specification see appendix A We also highly recommend that all CAT 5 cables be pre terminated and tested Cables terminated on site or in an existing infrastructure should be tested before use to ensure compliance with the TIA ElA T568B specification Using incorrectly terminated CAT 5 cables can damage this product Achieving the best performance means e Connecting only good quality connection cables thus avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables e Avoiding interference from neighboring electrical appliances that may adversely influence signal quality and positioning your Cobra DA9 in a location free from moisture and away from excessive sunlight and dust No operator serviceable parts inside unit Use only the Kramer Electronics input power wall adapter that is provided with this unit Eventi Disconnect power and unplug unit from wall before installing or removing device or servicing unit This equipment is not intended for nor does it support distribution through an Ethernet network Do not connect these de2. WHAT WE WILL PAY FORAND WHAT WE WILLNOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the following 1 Removal or installations charges 2 Costs of initial technical adjustments set up including adjustment of user controls or programming These costs are the responsibility of the Kramer dealer from whom the product was purchased 3 Shipping charges HOW YOU CAN GET WARRANTY SERVICE 1 To obtain service on you product you must take or ship it prepaid to any authorized Kramer service center 2 Whenever warranty service is required the original dated invoice or a copy must be presented as proof of warranty coverage and should be included in any shipment of the product Please also include in any mailing a contact name company address and a description of the problem s 3 For the name of the nearest Kramer authorized service center consult your authorized dealer LIMITATION OF IMPLIED WARRANTIES All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option Kramer shall not be liable for 1 Damage to other property caused by defects in this product damages based upon inconvenience loss of use of the product loss of time commercial loss or 2 An
3. Kramer Cobra series products are not compatible with Kramer non Cobra series products 2 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Review the contents of this user manual e Use Kramer high performance high resolution cables You may also need CAT 5 cable 1 GROUP 1 Distribution Amplifiers GROUP 2 Video and Audio Switchers Matrix Switchers and Controllers GROUP 3 Video Audio VGA XGA Processors GROUP 4 Interfaces and Sync Processors GROUP 5 Twisted Pair Interfaces GROUP 6 Accessories and Rack Adapters GROUP 7 Scan Converters and Scalers and GROUP 8 Cables and Connectors 2 Download up to date Kramer user manuals from the Internet at this URL http www kramerelectronics com 3 The complete list of Kramer cables is on our Web site at http www kramerelectronics com 1 Overview 3 Overview Our Kramer Cobra series products are compatible with CAT 5 5e 6 data cabling as well as skew free CAT 5 Se cabling manufactured for video applications Note that some skew free CAT 5 is specific to a particular vendor and is not compatible with our products Ensure any skew free CAT 5 cable is non proprietary prior to purchase installation We recommend using our Kramer Cobra ultra low skew cable BC HDTP solid bulk or BCP HDTP solid plenum bulk available in lengths of 700 210m and 1300
4. the source device Make sure the audio source is not overdriven or underdriven Audio is summed left and right for A versions If using a single channel both audio inputs must be connected at the transmitter end for full audio gain Audio is line level SA serial audio units support full stereo line level A high frequency noise may be heard if the CAT 5 cable from the transmitter is disconnected or the transmitter is not powered up This is normal and will disappear once a complete link connection is made Problem Serial communication doesn t work correctly Solution Are the serial devices connected properly Are the serial parameters correct for source destination devices When using RS 232 transmitters or receivers in daisy chains CAT 5 switches or Cobra DAY or Multi output transmitters the serial signal is a unidirectionally broadcast mode only KRAMER SIMPLE CREATIVE TECHNOLOGY Technical Specifications Appendix A Cabling Pinouts 12345678 1 Table 1 TS68B CAT 5 PINOUT T568B CATS5 Specification Color Orange White 2 Orange 2 Green White 3 Blue 1 Blue White 1 Green 3 Brown White 4 Brown 4 a Cabling must be the same on both ends Use for Cat5 58 6 87654321 6 Technical Specifications Table 2 Technical Specifications of the Cobra DA9 CABLE REQUIRED Between transmitter and receiver s Category 5 shielded or unshielded twisted pair STP or UTP
5. Kramer Electronics Ltd USER MANUAL Model Cobra DA9 1 9 CAT 5 Distributor Contents Contents 1 Introduction 2 Getting Started 3 Overview 4 Setup and Installation 4 1 Making the Connections 5 Solutions to Common Problems 6 Technical Specifications Figures Figure 1 Transmitter to Receiver Connections Tables Table 1 T568B CAT 5 PINOUT Table 2 Technical Specifications of the Cobra DA9 Nh Yuna ma Nn Introduction 1 Introduction Welcome to Kramer Electronics since 1981 a world of unique creative and affordable solutions to the infinite range of problems that confront the video audio and presentation professional on a daily basis In recent years we have redesigned and upgraded most of our line making the best even better Our 500 plus different models now appear in 8 Groups which are clearly defined by function Congratulations on purchasing your Kramer Cobra DA9 9 CAT 5 Distributor The Kramer Cobra Series System extends video signals over ordinary CAT 5e cable All models use a transmitter to receiver setup This manual covers the Cobra DA9 17 9 CAT 5 Distributor A Kramer Cobra transmitter unit as well as Kramer Cobra receiver units are required for operation Contact technical support for help The package includes the Cobra DA9 9 CAT 5 Distributor a ground wire an external power supply 100 250 VAC 50 60 Hz autosensing with cord and this user manual The
6. VIDEO COMPATIBILITY RGBHV RGsB composite NTSC PAL component HDTV Y C YUV s video AUDIO COMPATIBILITY Line level combined L and R stereo or SPDIF digital transmitter receiver dependent SERIAL COMPATIBILITY Uni directional RS 232 simplex DC to 115k baud COMPLIANCE CE FCC Class A IC Class A VIDEO SUPPORT Transparent to users transmitter receiver dependent RESOLUTION AND REFRESH RATE 1920 x 1200 60 Hz receiver dependent TRANSMISSION Transparent to users automatic no delay MAXIMUM DISTANCE Total end to end from source device to farthest destination device over good CAT 5 cable assuming source outputs signal at normal strength receiver dependent Up to 1300 ft 396m all resolutions CONNECTORS 1 RJ 45 input 9 RJ 45 output 1 rear mounted power inlet max number of 9D tiers 3 TOLERANCE Operating 32 to 104 F 0 to 40 C Storage 4 to 140 F 20 to 60 C HUMIDITY TOLERANCE Up to 80 noncondensing OPERATING STORAGE TEMP 0 to 40 C 20 to 60 C ENCLOSURE Steel powder coated Galvanneal for corrosion protection POWER From utility power mains outlet to power inlet through detachable external power supply Input 100 to 250 VAC 50 or 60 Hz autosensing Output 5V regulated 3 lt 1 75A Consumption 12 watts maximum SIZE 1 75 H x 8 1 W x 6 5 D 4 45 x 21 x 16 5 cm WEIGHT 2 2 Ib 1 0 kg 1 Specifications are subjec
7. n our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Safety Warning Disconnect the unit from the power supply before opening servicing Caution 9007 O 2 QU a Institute of Quality amp Control Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 650001 REV 3
8. t to change without notice LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOWLONGISTHE WARRANTY Labor and parts are warranted for three years from the date of the first customer purchase WHOISPROTECTED Only the first purchase customer may enforce this warranty WHAT IS COVERED AND WHAT IS NOT COVERED Except as below this warranty covers all defects in material or workmanship in this product The following are not covered by the warranty 1 Any product which is not distributed by Kramer or which is not purchased from an authorized Kramer dealer If you are uncertain as to whether a dealer is authorized please contact Kramer at one of the agents listed in the Web site www kramerelectronics com Any product on which the serial number has been defaced modified orremoved 3 Damage deterioration or malfunction resulting from i Accident misuse abuse neglect fire water lightning or other acts of nature ii Product modification or failure to follow instructions supplied with the product iii Repair or attempted repair by anyone not authorized by Kramer iv Any shipment of the product claims must be presented to the carrier v Removalor installation of the product vi Any other cause which does not relate to a product defect vii Cartons equipment enclosures cables or accessories used in conjunction with the product
9. to use has been tested to comply with the T568B wiring specification see Appendix A I I Earth Ci I IE Ground ji ji OUTPUTS O Power 5VDC UTPIN UTP Loop 1 2 3 4 5 6 7 8 2 0 O l ri iol m To 2nd 1x9 or a Receiver i Receiver Transmitter Figure 1 Transmitter to Receiver Connections Solutions to Common Problems 5 Solutions to Common Problems In most cases nearly every issue with the Cobra series can be resolved by checking the CAT 5 termination and making sure that it s pinned to the TIA EIA 568B wiring specification However there may be other problems that cause the system to not perform as it is designed Below are solutions to the most common installation errors Reference the appropriate user manual for the transmitter and receiver in use for issues specific to these units Problem No video signal at the transmitter local port or at the receiver Solution Check that both units are powered Ensure receiver EQ adjustment is set correctly Make sure the CAT 5 cable is terminated correctly per the TIA EIA 568B wiring specification Is the display device powered on and functioning Check to ensure display settings resolution refresh rate and so on are compatible with input signal Problem Poor audio quality Solution Powered speakers are required Make sure speaker power is ON Check input source levels from
10. vices to any sort of networking or telecommunications equipment 1 For example model number AD2512C part number 2535 000251 2 KRAMER SIMPLE CREATIVE TECHNOLOGY Setup and Installation 4 4 1 1 Setup and Installation The Cobra DA9 utilizes industry standard CAT 5 cabling to connect a Cobra transmitter and receivers Additional Cobra DA9 distribution amplifiers may be cascaded via the UTP Loop output or any other output if necessary Making the Connections Figure 1 shows how to connect the Cobra DA9 distribution amplifier Connect the RJ 45 cable from a Cobra transmitter unit or other Cobra DAS distribution amplifier into the port labeled UTP IN 2 Connect RJ 45 cables from Cobra receiver units into the ports labeled OUTPUTS The port labeled UTP Loop may be used to cascade to other Cobra DAY distribution amplifiers or can be used with a Cobra receiver Connect the power supply to the unit Connect the supplied ground cable to the rear gold thumbscrew and the other end to a suitable earth ground The grounding is required in instances where LCD monitors are used that do not provide a ground via the DC power adapter Failure to connect the ground cable may result in loss of video signals With regard to connecting the cables e We recommend mounting and connecting all cabling to the Cobra DA9 Video RS 232 Transmitter components before applying power e Be sure that the CAT 5 cable you intend
11. y other damages whether incidental consequential or otherwise Some countries may not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from place to place NOTE All products returned to Kramer for service must have prior approval This may be obtained from your dealer This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15 Radio frequency devices Subpart B Unintentional radiators CAUTION B gt Servicing the machines can only be done by an authorized Kramer technician Any user who makes changes or modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the equipment B gt Use the supplied DC power supply to feed power to the machine amp Please use recommended interconnection cables to connect the machine to other components 6 KRAMER SIMPLE CREATIVE TECHNOLOGY For the latest information o
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