Manuale d’uso / di manutenzione del prodotto Cobra-T2 del fabbricante 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Kramer Cobra-T2 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Kramer Cobra-T2 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Kramer Cobra-T2 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Kramer Cobra-T2 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Kramer Cobra-T2, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Kramer Cobra-T2.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Kramer Cobra-T2. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Kramer Cobra-T2 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
