Instruction/ maintenance manual of the product Cobra-T2 Kramer
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Kramer Ele ctronics, Ltd. USER MANUAL Model: Cobra T2 Video / RS-232 Transmitter.
Contents i Contents 1 Introduction 1 2 Getting Started 1 3 Overview 2 4 Setup and Installatio n 3 4.1 Making the Connections 3 4.2 Connections on the Single-Port VGA/RS-232 4 5 Solutions to Co mmon Pr.
Introduction 1 1 Introduction Wel com e t o K ram er Ele ct ron ics (s in ce 1 981) : a w orl d o f u ni que , c re ativ e and aff or dabl e s olu ti ons to th e inf init e rang e of pr obl ems th at c onf ron t th e v ide o, au dio an d p res ent ati on prof es sion a l on a da i ly ba s i s .
KRAMER: SIMPLE CREATIVE TECHNOLOGY Overview 2 3 Overvie w Our Kramer Cobra ser ies products are c ompatible with C AT 5/5e/6 data cabling as well as ske w free CAT 5 /5e cabling manufactured for video applications. Note that so me skew free CAT 5 is specific to a particular vendor and is not co mpatible with our pro ducts.
Setup and Installation 3 4 Setup and Insta llation Data Mode Co nfiguration The Kr ame r C ob ra T 2 Video / RS- 232 Transmitter s are con figured in full modem bidirectional serial mod es. If you are using the d aisy chain receivers or a CAT 5 matrix switch or CAT 5 distribution amp, t his mode must be changed to uni-directio nal broad cast.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Setup and Installation 4 At the receiver end (refer to the receiver user manual): 1. Connect the VIDEO O UTP UT HD15 connector to the display unit, and attach any audio ( AUX I/O) and/or serial connections (R S-232) depending on the model of the Co b ra CAT 5 Video System.
Solutions to Common Problems 5 5 Solutions to Co mmon P roblems In most cases, nearly ever y issue with the C ob ra T 2 CAT 5 Video S ystem can be resolved b y checking the CAT 5 termination and making sure that it’s pinned to the TI A/EIA 568B wiring specif ication.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems 6 Problem: Serial communication doesn’t work correctly. Solution: Are the serial devices connected properly? Are the serial parameters.
Solutions to Common Problems 7 A ppendix A Cabling Pin outs Table 1: HD15 Video Connector PINOUT Pi n RG BHV ( VG A) RG BS RG s B Co mpo si te SV HS (Y /C ) YU V 1 Re d + Re d + Re d + C+ V+ 2 G re en.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems 8 A ppendix A Cabling Pin outs Table 3: DB9 Female Serial connector Pi n Fu ll Dup le x 3 w ire ( S2) Si m pl ex 1 DC D 2 RX RX 3 TX TX .
Solutions to Common Problems 9 A ppendix B Setting Syn c Signal Outpu t Termi nation In some cases, it may be necessar y to disable the 75-oh m termination o f the video outputs on the Cobra CAT 5 Video System units. T his can be done b y opening the case o f each unit and installing ju mpers on the circ uit board.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems 10 A ppendix C DC Rest ore to fix G reen Shift of A C Coupled Signals The standard Co bra product is desig ned to function with DC coupled signal s with the black level refere nced to 0 volts.
Solutions to Common Problems 11 A ppendix D Cobra T2 Co nfiguration Sett ings Note: Cobra tr ansmitters are typicall y pre-configured at time of order and will have factor y configuration indicated i n the part nu mber label on the underside of the unit.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems 12 Table 5: Cobra T2 Configuration Jumper Settings Co nfi g ur a ti o n O pt ion ( al l op tio n s u til iz e 4 th pa ir, ex cep t s p e.
Solutions to Common Problems 13 A ppendix E Serial Daug hterboard (SDB ) Settin gs The single-port serial tr ansmitters and single-port and d ual daisy chainable serial receivers contain a n internal serial dau ghterboard (SDB) that can be configured for vario us serial modes.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems 14 A ppendix E Serial Daug hterboard (SDB ) Settin gs, cont The single-port serial tr ansmitters and single-port and d ual daisy chainable serial receivers contain a n internal serial dau ghterboard (SDB) that can be configured for vario us serial modes.
Solutions to Common Problems 15 A ppendix F Rackmoun ting Units The Rackmount Kits i nclude brackets for mounting a single t ransmitter, single receiver, or a single dual dais ychainable receiver. Figu re 5 sho ws the 1-Unit Rackmount B racket , which can be used to mount a single unit on a wall.
KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems 16 A ppendix G Setting Sy nc Mode The Cobra T2 has the capability for fixed a nd agile sync. The d efault sync mode setting is for agile sync which re plicates the source s ync polarit y signals.
Technical Specifications 17 6 Technical Spec ifications Table 7: Technical Specifications 1 of the Cobra T2 CA BLE RE Q UI RED: Ca tegor y 5, 5e , 6 shi elde d or un shi eld ed tw ist ed p ai r CO M P.
KRAMER: SIMPLE CREATIVE TECHNOLOGY 18.
Kramer Electron ics, Ltd. Web site: www.kramerelectronics.co m E-mail: info@kramerel.com P/N: 2900-650006 REV 3 For the latest in formation on ou r products and a list o f Kramer distributors, visi t our Web site: www.kra merelectr onics.com, where updates to this user manua l may be foun d.
An important point after buying a device Kramer Cobra-T2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Kramer Cobra-T2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Kramer Cobra-T2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Kramer Cobra-T2 you will learn all the available features of the product, as well as information on its operation. The information that you get Kramer Cobra-T2 will certainly help you make a decision on the purchase.
If you already are a holder of Kramer Cobra-T2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Kramer Cobra-T2.
However, one of the most important roles played by the user manual is to help in solving problems with Kramer Cobra-T2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Kramer Cobra-T2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
