ADDERLink DV104T Manual

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Enabling and disabling all screens
This option allows you to easily send all connected screens into standby mode and 
similarly bring them all back to full operation at the click of a button. When the Disable 
all Screens command is sent, each receiver removes its video signal which causes the 
connected screen to enter power saving standby mode. 
When you disable any screens, their corresponding 
graphical representation within the System...

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This chapter contains a variety of information, including the following:
• Getting assistance - see right
• Troubleshooting
• Appendix A - Network cables for use with digital extenders
• Appendix B - Management API specification
• Safety information
• Warranty
• Radio frequency energy statements
GETTING ASSISTANCE
If you are still experiencing problems after checking the information contained within this 
guide, then we provide a number of...

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TROUBLESHOOTING
Problem:	While	attempting	a	firmware	upgrade, 	the	web	browser	reports	
that there is ‘no data’ or a similar message.
This error is caused by cached data error as a result of a previously failed upgrade at-
tempt. It is necessary to clear the browser’s cache.  
Remedy: 
Using the browser settings, clear its internal cache - or alternatively restart the browser. 
Problem: A receiver has been replaced, however, its orange...

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APPENDIX A  - Cables for use with digital extenders
Introduction
The demands of extending high resolution DVI and HDMI digital video signals are 
considerable and mean that it is not possible to use Cat5e cabling to ac\
hieve the 
maximum extension distance of 50 meters. The large video bandwidth involved means 
that to achieve the best possible performance from digital extenders, it is vital that the 
correct cabling is chosen.
There are...

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Adder recommends
We recommend the following two types of cable:
Patch Cables
Daetwyler	7702P	flex
This is stocked by Adder with the following part number VSCAT7-50. This is a 50m length 
of Daetwyler 7702P terminated with HRS TM31P RJ45 connectors.
CU	7702	4P	flex
Flexible data cable S/FTP Cat.7 AWG26
1  Inner conductor:   AWG26 bare copper wire, stranded
2  Wire: 0.99 mm Ø
3  Screen pair:  Alu PETP foil
4  Screen: Tinned braided copper
5...

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APPENDIX B - Management API	specification
Introduction
The AdderLink DV104T is monitored and managed by a web interface. This provides 
topology and status information and allows configuration of the transmitter unit plus the 
receiver units connected to it. 
The unit also has a management API via the same HTTP interface. This allows the 
status, topology and configuration to be managed from another application, via HTTP 
commands. Only the...

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Screen Enable/Disable 
Disable all screens
Disables all screens so they do not display a picture (most screens will go into standby 
mode). This is intended to blank all screens when not in use, overnight etc.
GET /cgi-bin/api?screen1=0 HTTP/1.1
Enable all screens
Enables all screens so they display a picture. This is the opposite of disable all screens and 
is used to restore the display which was previously disabled. This command will...

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Status Operation
Get status
The operation to get the status fetches all the information about the topology and status 
of the ALDV104T, its inputs, connections to ALV100R units, their status and that of the 
attached screens.
The request to get the status is:
GET /status/tree HTTP/1.1
The response is an HTTP response containing a status code followed by headers and a 
body containing a JSON encoded array of object. 
A typical example of a...

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Output type (continued)
Typical outputs are: 
{“ad”:”1”,”ln”:”hs”}, - not in use
{“ad”:”1”,”ln”:”hl”,”rx”:”ng”,”sw”:”1”,“flt”:”’},  
- connected to input 1 - all good.
{“ad”:”1”,”ln”:”hl”,”rx”:”nr”,”sw”:”1”,”flt”:”HEDS”},  
- connected to input 1 not displaying signal. No Hotplug, EDID, signal or display detected. 
Cable unplugged.
{“ad”:”1”,”ln”:”hl”,”rx”:”nr”,”sw”:”1”,”flt”:”S”},  
- connected to input 1 not displaying signal. No signal...

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WARRANTY
Adder Technology Ltd warrants that this product shall be free from defects in 
workmanship and materials for a period of two years from the date of original purchase. 
If the product should fail to operate correctly in normal use during the warranty period, 
Adder will replace or repair it free of charge. No liability can be accepted for damage due 
to misuse or circumstances outside Adder’s control. Also Adder will not be...