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Summary of Content
Kramer Electronics, Ltd. USER MANUAL Models: Cobra R1300A, Video / Audio Receiver Cobra R1300S2, Universal Receiver Contents Contents 1 2 3 4 4.1 4.2 4.3 4.4 4.5 Introduction Getting Started Overview Setup and Installation Data Mode Configuration Making the Connections Connections on the Single-Port VGA/Audio Connections on the single-port VGA S2 Video Adjustment 1 2 2 4 4 4 5 6 7 4.5.1 4.5.2 Cable Distance Compensation Settings Skew Compensation Settings 7 7 5 6 Solutions to Common Problems Technical Specifications 8 16 Figures Figure 1: Transmitter Connections Figure 2: Cobra R1300A Video / Audio Receiver Connections Figure 3: Transmitter Connections Figure 4: Cobra R1300S2 Universal Receiver Connections Figure 5: Adjustment locations Figure 6: Skew Module 5 5 6 6 7 15 Tables Table 1: HD15 Video Connector PINOUT Table 2: Terminal Block Connection Table 3: DB9 Video Connector PINOUT Table 4: T568B CAT 5 PINOUT Table 5: Configuration Jumper Settings Table 6: Technical Specifications of the Cobra R1300A, Cobra R1300S2 10 10 11 11 13 16 i Introduction 1 Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordable solutions to the vast range of problems that confront the video, audio, presentation, and broadcasting professional on a daily basis. In recent years, we have redesigned and upgraded most of our line, making the best even better! Our 1,000-plus different models now appear in 11 groups1 that are clearly defined by function. Congratulations on purchasing your Kramer Cobra R1300A Video / Audio Receiver and/or Cobra R1300S2 Universal Receiver. The Kramer Cobra Series System extends video, audio and serial signals over ordinary Category 5 cable. This manual covers the Cobra R1300A Video / Audio Receiver and the Cobra R1300S2 Universal Receiver. These units are field configurable for various video, audio and serial options. See Appendix B for configuration settings. A versions support video and audio. S2 series feature video, stereo audio and RS-232 signals on a single CAT 5. The Kramer Cobra R1300A Video / Audio Receiver and Cobra R1300S2 Universal Receiver feature optional integrated skew compensation that can be varied in 2 ns increments to 65 ns total per color channel to cancel the effects of skew in Category cables. This feature allows you to use CAT 5e and reduced-skew CAT 6 cables to lengths up to 1300ft. For information on the respective transmitter unit, refer to the appropriate manual included with the transmitter. All models support refresh rates/resolutions up to 1920 x 1200 @ 60 Hz to 1300 feet (396m). The package includes the Cobra R1300A Video / Audio Receiver or the Cobra R1300S2 Universal Receiver, an external power supply, and this user manual2. The Kramer Cobra series products are not compatible with Kramer non-Cobra series products. 1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Products 2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com 1 Getting Started 2 Getting Started We recommend that you: Unpack the equipment carefully and save the original box and packaging materials for possible future shipment Review the contents of this user manual Use Kramer high performance high resolution cables1. You may also need CAT 5 cable2 3 Overview Our Kramer Cobra series products are compatible with CAT 5/5e/6 data cabling as well as skew free CAT 5/5e 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' (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-EIA T568B specification. Using incorrectly terminated CAT 5 cables can damage this product. Achieving the best performance means: 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) Avoiding interference from neighboring electrical appliances that may adversely influence signal quality and positioning your Cobra R1300A / R1300S2 in a location free from moisture and away from excessive sunlight and dust 1 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com 2 In addition, you may also need audio cable with RCA jacks, serial cable with DB9 connectors, and video cable with HD15 connectors 2 KRAMER: SIMPLE CREATIVE TECHNOLOGY Overview Caution – No operator-serviceable parts inside unit. Warning – Use only the Kramer Electronics input power wall adapter that is provided with this unit1. Warning – Disconnect power and unplug unit from wall before installing or removing device or servicing unit. Warning –This equipment is not intended for, nor does it support, distribution through an Ethernet network. Do not connect these devices to any sort of networking or telecommunications equipment! 1 For example: model number AD2512C, part number 2535-000251 3 Setup and Installation 4 Setup and Installation 4.1 Data Mode Configuration The serial signal is 3 wire TX, RX, GND and does not support full modem signals. Baud rates for the S2 series are fixed at 9600. Simplex modes are supported without jumper or other changes by simply using the TX signal only. S2 units require no configuration. 4.2 Making the Connections This section contains figures showing connections with the specific Cobra R1300A / R1300S2 series models. In general, however, the connection and setup procedure at both transmitter and receiver ends is as follows: NOTE: all units must be the same type for all supported features to function correctly. For example, a Cobra transmitter set for R/L summed audio must be connected to an R1300A / R1300S2 set for R/L summed audio. Similarly, a Cobra T2 cannot be used with an R1300A / R1300S2. Video modes may function normally, but 4th pair options will not. At the transmitter end (refer to the transmitter user guide): 1. Connect the source video to the Cobra Series transmitter video input port, which is an HD15 connector labeled SOURCE IN or VIDEO IN. 2. If desired, attach a local monitor via the local monitor port to LOCAL OUT. 3. Make your audio/serial connections via the audio connector or DB9 connector as appropriate. 4. Connect the CAT 5 cable to the transmitter. 5. Apply power on the transmitter. The LED should light and, if there is a local monitor attached, a video image should appear on the monitor’s screen. At the receiver end: 1. Connect the VIDEO OUT HD15 connector to the display unit and attach any audio (AUDIO/AUX I/O) or serial connections (RS-232) depending on the model of the Cobra CAT 5 Video System. 2. Connect the CAT 5 cable to the LINK INPUT connection. If daisy chaining units, connect the output CAT 5 cable to the LINK OUTPUT connection. 3. Apply power. The LED should light and video should appear on the display (make sure that the display is powered ON). 4. Adjust video levels and skew compensation. 5. Mount the R1300A / R1300S2 in a location that ensures the ventilation holes and fan are not blocked. 4 KRAMER: SIMPLE CREATIVE TECHNOLOGY Setup and Installation With regard to connecting the cables: We recommend mounting and connecting all cabling to the Cobra R1300A / R1300S2 components before applying power. Be sure that the CAT 5 cable you intend to use has been tested to comply with the T568B wiring specification (see Appendix A). 4.3 Connections on the Single-Port VGA/Audio The single-port units with audio support video and audio signals over CAT 5 cable. The audio signal is line-level summed Right/Left audio, and powered speakers are required. You can also use the transmitters and receivers to make video-only connections without audio. Figure 1 shows the Single-Port Cobra CAT 5 Video System with Audio Transmitter connections, and Figure 2 shows the receiver connections. Figure 1: Transmitter Connections Figure 2: Cobra R1300A Video / Audio Receiver Connections 5 Setup and Installation 4.4 Connections on the single-port VGA S2 The Single-Port Cobra CAT 5 Video System series supports RS-232, video and stereo audio signals over CAT 5 cable. Serial signals are 3 wire RS232 (Tx, Rx, ground) and fixed at 9600 baud. Full 9 pin modem signals are not supported. Note when using the Cobra 2/S2 series with a Cobra CAT 5 DA or CAT 5 matrix switch, the serial is transmit only. There are no configuration changes required to the units. The serial application in use should be changed to transmit only. Audio is full stereo, line level. One or two separate channels of mono audio may also be used. See the Figures below for cabling connections. Figure 3: Transmitter Connections Figure 4: Cobra R1300S2 Universal Receiver Connections 6 KRAMER: SIMPLE CREATIVE TECHNOLOGY Setup and Installation 4.5 Video Adjustment 4.5.1 Cable Distance Compensation Settings To get the highest quality video signals from your Cobra CAT 5 Video System, follow the instructions and diagrams below: NOTE: TURN KNOB SLOWLY DURING ADJUSMENT PROCEDURE. Turning too fast may result in missing the proper EQ setting resulting in picture loss. To Reset EQ and Skew values to 0, remove power from R1300A / R1300S2, Push and hold EQ/Skew Knob in and re-apply power. 1. Display a test pattern consisting of a black box on a white background. Press and hold briefly, and then release the EQ/Skew knob so that the R/G/B LED is flashing white. 2. Turn the EQ/Skew knob clockwise until the shadow next to the black box just disappears. The brightness in the white area should be the same as the white area above and below the black box. Continue turning the knob for best picture quality. Note, that if the EQ setting is too high or too low, you may not get an image. Adjust the EQ settings until an image appears, and then adjust for best picture quality. 3. Press and hold briefly, and then release the EQ/Skew knob until the R/G/B LED is solid green. Figure 5: Adjustment locations 4.5.2 Skew Compensation Settings The R1300A / R1300S2 receiver is available with an optional skew compensation module to adjust for signal timing differences due to differing pair lengths within the CAT 5 cable. Using the delay signals, skew may be compensated from 2 to 65 nanoseconds in 2 nanosecond increments on each individual color pair. If skew compensation is required, but the skew comp module is not installed, call for technical assistance. 7 Solutions to Common Problems 1. To adjust individual colors, press and hold briefly, and then release the EQ/Skew knob until the desired color LED is flashing for the R/G/B LED. The LED color corresponds to the color channel being adjusted. 2. Using the image utility, turn knob to add/subtract delay timing until a single vertically aligned line of red, green, blue is obtained. 3. When complete, press and hold briefly, and then release the EQ/Skew knob until the R/G/B LED is solid green. Not all colors will have the same delay settings. 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. Problem: Solution: Problem: Solution: Problem: Solution: 8 No video signal at the transmitter local port or at the receiver. Check that both units are powered. Ensure EQ adjustment is set correctly — turn knob slowly. • 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, etc) are compatible with input signal. Poor video quality. Have all receiver adjustments been finished? Ensure EQ adjustment switches are set correctly Check all cable connections The video signal’s refresh rate may be set too high. Reset to a lower refresh rate in your monitor-configuration menu There may be a delay skew issue. See Section on Skew Poor audio quality. Powered speakers are required. Make sure speaker power is ON Check input source levels from 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 Serial//audio units support full stereo line level. KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems Problem: Solution: Problem: Solution: Problem: Solution: Serial communication doesn’t work correctly. Are the serial devices connected properly? Are the serial parameters correct for source/destination devices? Are the serial cables terminated correctly? If a null-modem cable is used, it must be placed at the receiver end. When using RS-232 transmitters or receivers in daisy chains, CAT 5 switches or CAT 5 distribution amps, the serial signal is a unidirectionally broadcast mode only. In this mode, all other Cobra CAT 5 Video System devices must be the simplex serial type. The last device in a transmitter-to receiver or daisy chain configuration must be terminated. The R1300A can be used as either a “middle unit” or an “end unit”; the termination switch is located on the front of the unit. “Green shift” or “green washout” on multimedia signals. The standard video/serial model is designed to function with DC coupled signals in which the black level is referenced to 0 volts. Nearly all VGA cards function this way. Some media servers, however, provide AC coupled signals and can cause a green color shift in the video. This is a result of the sync clamping on the red and blue channels of the video/serial model. For five-component (RGB/H&V) AC coupled video, the Cobra CAT 5 transmitter has been designed with full DC restoration capability. This problem is easily solved via a simple switch setting in the Cobra Transmitter. Refer to the Cobra Transmitter user manual. Notes on Daisy Chaining: When daisy chaining, the maximum cable distance is not increased beyond the rated distance of the receiver used. For example, the maximum distance from a transmitter to the last R1300S2 Receiver in a daisy-chain is 1300 feet. . If a unit in the middle of the chain loses power or is disconnected from the chain, all units after this will lose signals. All serial communication in a daisy chain is one way simplex. 9 Solutions to Common Problems Appendix A Cabling Pinouts Table 1: HD15 Video Connector PINOUT Pin RGBHV (VGA) RGBS RGsB 1 Red + Red + Red + 2 Green+ Green+ Green+ 3 Blue+ Blue+ Blue+ 4 — — — 5 Gnd Gnd Gnd 6 Red- Red- Red- 7 Green- Green- Green- 8 Blue- Blue- Blue- 9 — — — 10 Gnd Gnd — 11 Gnd Gnd — 12 — — — 13 H Sync C Sync — 14 V Sync — — 15 Gnd Gnd — Composite SVHS (Y/C) C+ YUV C+ V+ Y+ Y+ U+ C- C- V- Y- YU- Table 2: Terminal Block Connection PIN Audio Audio* Simplex Serial S/PDIF Audio Composite Video Pin 1 Left Channel Right Channel Tx Signal + Signal + Pin 2 Ground Ground ground Signal - Signal - Pin 3 Right Channel Left Channel - - - Pin 4 - Shell - - Note: Typically Channel 1 is left audio and Channel 2 is right audio. * series RECEIVER units use Channel 1 for Right audio and channel 2 for left audio. * series TRANSMITTER units use Channel 2 for Right audio and channel 1 for left audio. 10 KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems Appendix A Cabling Pinouts Table 3: DB9 Video Connector PINOUT Pin Full Duplex 3 wire (SA/SAP) Simplex 1 DCD 2 RX RX 3 TX TX TX 4 DTR 5 Ground Ground Ground 6 DSR 7 RTS 8 CTS 9 RI Table 4: T568B CAT 5 PINOUT 11 Solutions to Common Problems Appendix B Configuration Settings Note: the Cobra R1300A Video and the Audio Receiver Cobra R1300S2 Universal Receiver are typically pre-configured at time of order and will have factory configuration indicated on the bottom of the unit. The factory configuration may be changed or checked by using the following jumper location diagram as well as Table 5 for jumper settings. 12 KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems Table 5: Configuration Jumper Settings Configuration Option (all options utilize 4th pair): SW1 JP1 JP2 JP3 SW2 JP4 1 2 3 4 5 1 2 RGBHV Computer Video (see note below on daisy chaining) With Left/Right Line Level Audio 1-2 1-2 1-2 1-2 OFF ON ON OFF OFF OFF OFF With SDPIF Digital Audio 1-2 1-2 1-2 1-2 OFF ON OFF OFF OFF OFF ON With Simplex Serial (receive only) 1-2 1-2 1-2 1-2 ON OFF OFF OFF OFF ON OFF With Composite Video 1-2 1-2 1-2 1-2 OFF ON OFF OFF OFF OFF ON With RS 232 serial series (requires separate daughterboard installed)** Also set External TERM switch to OFF. 2-3 2-3 2-3 2-3 OFF OFF OFF OFF OFF OFF OFF Composite, S-Video, Component Video (see note below on daisy chaining) With Left/Right Line Level Audio 1-2 1-2 1-2 1-2 OFF With SDPIF Digital Audio 1-2 1-2 1-2 1-2 With Simplex Serial (receive only) 1-2 1-2 1-2 1-2 With Composite Video 1-2 1-2 1-2 With RS 232 serial series (requires separate daughterboard installed)** Also set External TERM switch to OFF. 2-3 2-3 2-3 ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF ON ON OFF OFF OFF OFF ON OFF 1-2 OFF ON OFF OFF OFF OFF ON 2-3 OFF OFF OFF OFF OFF OFF OFF Dual Port Daisy Chain units * For END OF LINE Units, use configuration above, but set the external TERM switch to ON. * * * * * * * * * * * *Middle daisy chain units, use configuration above, but set the external TERM switch to OFF. * * * * * * * * * * * 13 Solutions to Common Problems Appendix D Setting Sync Mode The Cobra R1300A / R1300S2 has the capability for fixed and agile sync. The default sync mode setting is for agile sync which replicates the source sync polarity signals. However some displays require a fixed sync polarity that is not possible to change at the video source. The following details jumper settings to change the sync polarity of the horizontal and vertical sync signals (note that jumpers JP6 and JP7 have no affect in agile mode): 14 KRAMER: SIMPLE CREATIVE TECHNOLOGY Solutions to Common Problems Appendix E Skew Module The Cobra R1300A / R1300S2 receivers have an optional skew compensation module that can be installed or removed. To install the skew compensation module: 1. Remove top cover. 2. Remove the 3 jumpers from J16 pins 1-2, 4-5, 7-8. 3. Insert the Skew assembly onto the PCB using 11 pin headers J16 and J17. 4. The correct orientation of the skew board is to place the side with the logo into header J17. 5. Reassemble unit. Removal is the opposite of the above. Ensure 3 jumpers are installed in locations shown in Figure 6: Figure 6: Skew Module 15 Technical Specifications 6 Technical Specifications 1 Table 6: Technical Specifications of the Cobra R1300A, Cobra R1300S2 CABLE REQUIRED: COMPLIANCE: VIDEO SUPPORT: Category 5, 5e, 6 shielded or unshielded twisted pair CE; FCC Class A, IC Class/class A all supported VESA modes to WUXGA (1920x1200), RGBHV, RGB, Composite (NTSC, PAL, SECAM), S-Video, Component Video, widescreen modes, HDTV modes including 1080p, 1080i, 720p At 1300 ft. or less: a maximum of 1920x1200 to 60 Hz RESOLUTION AND REFRESH RATE: REQUIRED SOURCE IMPEDANCE: Video OUT: 75 ohms; Audio OUT (if any): 600 ohms maximum REQUIRED DESTINATION Video IN: 75 ohms; IMPEDANCE: Audio models: Audio IN (if any): 600 ohms minimum R1300A: Right/Left summed AUDIO CHARACTERISTICS: R1300S2: Full Stereo Line Level 600 Ohm Unbalanced SERIAL CHARACTERISTICS: 3 wire, fixed baud rate of 9600 CONNECTORS: (1) 4 pin terminal block, (2) RJ-45, (1) HD15 F; (1) DB9M (model dependent) TEMPERATURE 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 ENCLOSURE: Steel POWER: +5 VDC @ 260 mA max Consumption: 6 watts maximum SIZE: 1.2" H x 4.1" W x 5.5" D (3.0 x 10.4 x 14.0 cm) WEIGHT: 1.0 lb. (0.45 kg) 1 Specifications are subject to change without notice 16 KRAMER: SIMPLE CREATIVE TECHNOLOGY 17 For the latest information on 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 Kramer Electronics, Ltd. Web site: www.kramerelectronics.com E-mail: [email protected] P/N: 2900-650004 REV 4