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KRAMER:  SIMPLE CREATIVE TECHNOLOGY

 

Technical Specifications 

 

10 

6  Technical Specifications 

Table 6: Technical Specifications

1

 of the Cobra R500A, Cobra R500-2 

CABLE REQUIRED: 

Category 5, 5e, 6 shielded or unshielded twisted pair 

COMPLIANCE: 

CE; FCC Class A, IC Class/class A 

VIDEO SUPPORT:   

To UXGA (1600x1200 @ 60Hz), RGBHV, RGB, Composite, s-Video, 

Component Video modes 

MAXIMUM RESOLUTION AND 

REFRESH RATE: 

At 500 ft. (152 m) or less, 1600 x 1200 at 70Hz 

REQUIRED SOURCE IMPEDANCE:  Video OUT: 75 ohms; 

Audio OUT (if any): 600 ohms maximum 

REQUIRED DESTINATION 

IMPEDANCE: 

Video IN: 75 ohms; 
Audio IN (if any): 600 ohms minimum 

AUDIO CHARACTERISTICS: 

Channels:  Right/Left summed;  
Line Level 600 Ohm Unbalanced 

SERIAL CHARACTERISTICS: 

Protocol: Asynchronous; transparent to data format; 
transparent to data rates up to 19.2 kbps duplex; 
data rates to 115 kbps simplex 
3 wire Tx, Rx, Gnd 

CONNECTORS: 

(1) 3.5-mm, (1) RJ-45, (1) HD15 F 

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: 1.3 watts maximum 

SIZE: 

0.88" H x 3.12" W x 3.75" D (2.2 x 7.9 x 9.5 cm) 

WEIGHT: 

0.56 lb. (0.26 kg) 

 

                                                       

 

1 Specifications are subject to change without notice 

Summary of Contents for Cobra R500-2

Page 1: ...Kramer Electronics Ltd USER MANUAL Models Cobra R500A Video Audio receiver Cobra R500 2 Video RS 232 receiver...

Page 2: ...hnical Specifications 10 Figures Figure 1 Transmitter Connections 4 Figure 2 Cobra R500A Video Audio receiver Connections 4 Figure 3 Transmitter Connections 5 Figure 4 Cobra R500 2 Video RS 232 receiv...

Page 3: ...2 Video RS 232 receiver an external power supply and this user manual2 The Kramer Cobra series products are not compatible with Kramer non Cobra series products 2 Getting Started We recommend that you...

Page 4: ...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...

Page 5: ...nections via the 1 8 3 5mm audio connector or DB9 serial connector transmitter model dependent 4 Connect the CAT 5 cable to the transmitter 5 Apply power on the transmitter The LED should light and if...

Page 6: ...t video and audio signals over CAT 5 cable The audio signal is line level audio and powered speakers are required Figure 1 shows the Kramer Cobra transmitter with Audio Transmitter connections and Fig...

Page 7: ...ND serial Figure 3 shows the Kramer Cobra transmitter with serial Transmitter connections and Figure 4 shows the Cobra R500 2 Video RS 232 receiver See Appendix A for cable pinouts of the Cobra R500 2...

Page 8: ...parts inside the Cobra R500A Cobra R500 2 All adjustments are performed externally Table 1 Cobra R500A Cobra R500 2 Configuration Settings SW Configuration Settings SW position 1 2 3 Signal Setting L...

Page 9: ...wer 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 audi...

Page 10: ...Table 3 HD15 Video Connector PINOUT Pin RGBHV VGA RGBS RGsB Composite SVHS Y C YUV 1 Red Red Red C V 2 Green Green Green C Y Y 3 Blue Blue Blue U 4 5 Gnd Gnd Gnd 6 Red Red Red C V 7 Green Green Green...

Page 11: ...5 mm Audio Serial Connection model dependent Pin Signal Tip Serial Tx DB9 pin3 Left Audio Ring Serial Rx DB9 pin2 Right Audio Sleeve Serial GND DB9 pin5 GND Note The stereo audio input at the transmit...

Page 12: ...hms maximum REQUIRED DESTINATION IMPEDANCE Video IN 75 ohms Audio IN if any 600 ohms minimum AUDIO CHARACTERISTICS Channels Right Left summed Line Level 600 Ohm Unbalanced SERIAL CHARACTERISTICS Proto...

Page 13: ...11...

Page 14: ...or 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 commen...

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