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Solutions to Common Problems 

 

13 

Table 5: Configuration Jumper Settings 

SW1  

SW2  

Configuration  Option  (all  options 

utilize 4th pair):  

JP1  

JP2   JP3   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  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 

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. 

* 

* 

* 

* 

* 

* 

* 

* 

* 

* 

* 

** FOR series units in the middle of a 

daisy  chain,  set  external  TERM 

switch  to  OFF  and  note  JP1/JP2 

changes 

1-2 

1-2 

* 

* 

* 

* 

* 

* 

* 

* 

* 

 

 

 

Содержание Cobra R1300A

Страница 1: ...Kramer Electronics Ltd USER MANUAL Models Cobra R1300A Video Audio Receiver Cobra R1300S2 Universal Receiver Cobra R1300S2M Universal Receiver ...

Страница 2: ...s to Common Problems 8 6 Technical Specifications 16 Figures Figure 1 Transmitter Connections 5 Figure 2 Cobra R1300A Video Audio Receiver Connections 5 Figure 3 Transmitter Connections 6 Figure 4 Cobra R1300S2 Universal Receiver Connections 6 Figure 5 Adjustment locations 7 Figure 6 Skew Module 15 Tables Table 1 HD15 Video Connector PINOUT 10 Table 2 Terminal Block Connection 10 Table 3 DB9 Video...

Страница 3: ...t must be Cobra R1300S2M receivers The R1300A receiver can be used as either a middle unit or an end unit The Kramer Cobra R1300A Video Audio Receiver Cobra R1300S2 Universal Receiver and Cobra R1300S2M 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...

Страница 4: ... 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 sp...

Страница 5: ...t1 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 ...

Страница 6: ... 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 trans...

Страница 7: ...ons 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...

Страница 8: ...n 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 connect...

Страница 9: ...ox 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 th...

Страница 10: ...tment 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 Problem Poor video quality Solution Have all receiver adjustments been finished Ensure EQ adjustment switches are set correct...

Страница 11: ...prevent audio and serial signals from operating correctly R1300S2 R1300S2M Receivers cannot be modified in the field Problem Green shift or green washout on multimedia signals Solution 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 ...

Страница 12: ... Gnd Gnd 11 Gnd Gnd 12 13 H Sync C Sync 14 V Sync 15 Gnd Gnd 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 R...

Страница 13: ...on Problems 11 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 ...

Страница 14: ...0A 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 ...

Страница 15: ...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 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 se...

Страница 16: ...nc 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 ...

Страница 17: ...pensation 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 ...

Страница 18: ... Hz REQUIRED SOURCE IMPEDANCE Video OUT 75 ohms Audio OUT if any 600 ohms maximum REQUIRED DESTINATION IMPEDANCE Video IN 75 ohms Audio models Audio IN if any 600 ohms minimum AUDIO CHARACTERISTICS R1300A Right Left summed 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...

Страница 19: ...17 ...

Страница 20: ...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 Caution Safety Warning Disconnect the unit from the power supply before opening servicing ...

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