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Introduction 

 

1  Introduction 

Welcome to Kramer Electronics (since 1981): a world of unique, creative and 

affordable solutions to the infinite range of problems that confront the video, 

audio and presentation professional on a daily basis. In recent years, we have 

redesigned and upgraded most of our line, making the best even better! Our 

500-plus different models now appear in 8 Groups

1

, which are clearly defined 

by function. 
Congratulations on purchasing your Kramer 

Cobra MX-88

 8x8 Matrix 

Switcher

. The 

Cobra MX-88

 8x8 Matrix Switcher

 is designed for Plug and 

Play operation and is fully compatible with all versions of the Kramer 

Cobra 

series of CAT 5 transmitters/receivers. 

The Kramer 

Cobra

 series products are not compatible with Kramer non-

Cobra

 

series products. 

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 

3  Overview 

Achieving the best performance when using the 

Cobra MX-88

 8x8 Matrix 

Switcher

 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 MX-88

 

 

in a 

location free from moisture and away from excessive sunlight and dust 

                                                       

 

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3: 
Video,  Audio,  VGA/XGA  Processors;  GROUP  4:  Interfaces  and  Sync  Processors;  GROUP  5:  Twisted  Pair  Interfaces; 
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors 

Summary of Contents for Cobra MX-88

Page 1: ...Kramer Electronics Ltd USER MANUAL Model Cobra MX 88 8x8 Matrix Switcher...

Page 2: ...eset Command 3 4 4 Recall Command 3 4 5 All Off Command 3 5 CAT 5 Serial Control Command 4 5 1 RS 232 Protocol 4 5 2 RS 232 Hardware interface 4 5 3 Commands 4 5 4 Command Strings 4 5 5 Output Command...

Page 3: ...mmend 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 3 Overview Achieving the best perfo...

Page 4: ...re the input to output channel assignments Additionally these assignments may be saved as preset configurations Eight configurations may be saved for later use When an input or output channel is selec...

Page 5: ...e selected key from the current assignment Pressing an input key will illuminate the input key and all outputs assigned to this input To re assign the outputs to a new input press the input key again...

Page 6: ...xample To connect Input 1 to Output 5 the command O5 1 CR should be transmitted O 10ms Delay 5 10ms Delay 10ms Delay 1 10ms Delay CR 7 bit ASCII 8 data bits no parity 1 stop bit 9600 bps 9600 8N1 All...

Page 7: ...Commands The following Preset Command formats shall be used Px CR Report a preset x configuration Device replies with Px a b c d e f g h CR LF Parameters x Preset 0 8 If x 0 the current working confi...

Page 8: ...LF Parameters a Output 1 input selection 0 OFF b Output 2 input selection 0 OFF h Output 8 input selection 0 OFF 5 8 Status Commands The following Recall Command formats shall be used S CR Report mas...

Page 9: ...ommand will turn all outputs off immediately C CR Clear working preset Device replies with P0 0 0 0 0 0 0 0 0 CR LF 6 Address Configuration Commands The following Address Configuration Command formats...

Page 10: ...KRAMER SIMPLE CREATIVE TECHNOLOGY Address Configuration Commands 8...

Page 11: ...ON 1920x1200 receiver dependent SWITCH CONTROL Serial control port RS 232 RS 422 or RS 485 via captive screw connector BAUD RATE 9600 8 bit 1 stop bit no parity or 19 2k 8 bit 1 stop bit no parity USE...

Page 12: ...KRAMER SIMPLE CREATIVE TECHNOLOGY 10...

Page 13: ...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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