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xandor
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RSSI LED SIGNAL STRENGHT

Thu Mar 23, 2006 6:54 pm

HI Mikrotik,
You have consider to add into your RB boards RSSI Led signal strenght?
This would very help your customers in the first phase of installation. Normally all good Rf products have on board signal led strenght meter.
Can you add this support on RB532?

Thanks in advance

Regards
Xandor
 
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dbostrom
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Fri Mar 24, 2006 3:44 am

LEDs are great, even better in some ways than beepers.

I guess I shouldn't suggest it without showing an example, but I imagine one could combine a script and the single user controllable LED to do some kind of visual RSSI indication. 1/2 hertz, 1 hertz, 2 hertz, etc. It should even be possible to do a primitive sort of auto-ranging for such an arrangement.
 
xandor
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Fri Mar 24, 2006 8:27 am

HI,
But with a simple scritp inside to routeros is possible commands led 's present on RB532 as signal strenght meter?
If you have idea how please let me know.

Regards
Xandor
 
DirectWireless
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Tue Mar 28, 2006 10:07 pm

I have an idea!

How about this - I found out you can "blink" the LED for less than 1 second, specifically, 250ms, which makes it essentially turn on and off immediately. Now, using a defined delay time (less signal, more delay, more signal, less delay), you could do something like:

No signal:
/sys scheduler set 0 on-event="/blink duration=100ms" interval=1s

-95 to -90
/sys scheduler set 0 on-event="/blink duration=250ms" interval=1s

-90 to -85
/sys scheduler set 0 on-event="/blink duration=400ms" interval=1s

-85 to -80
/sys scheduler set 0 on-event="/blink duration=500ms" interval=1s

-80 to -75
/sys scheduler set 0 on-event="/blink duration=750ms" interval=1s

-75 or less:
/sys scheduler set 0 on-event="/blink duration=1s" interval=1s

A simple IF cluster should take care of that. Harder to do would be to see the LED on the outside of a Rootenna - but maybe using a little plastic window or one of those clear plastic "bars" that are used on consumer electronics to show an LED on the front of a case. But man would that simplify installations!
 
xandor
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Wed Mar 29, 2006 10:23 am

HI,
My question is .. you have test if these scripts works? And what is output used from scripts on RB532?

Regards
 
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dbostrom
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Thu Mar 30, 2006 5:33 pm

HI,
My question is .. you have test if these scripts works? And what is output used from scripts on RB532?

Regards
You'd need to add some glue to make DirectWireless' example work, but scripting in general works excellently. Take a look at the documentation for scripting. Developing scripts is actually quite satisfying, kind of like making little machines with Tinkertoys but the results can be extremely useful.

I do kind of wish MT supported vanilla bash scripting. Same deal as some other MT cli things-- we have to relearn everything... my brain is old and brittle... snap...
 
franco
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Thu Mar 30, 2006 8:55 pm

Is the script for WRAP Board, too?
 
DirectWireless
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Thu Mar 30, 2006 10:32 pm

I don't believe the Blinking works on WRAP boards. I don't think there's anything you can signal or blink on a WRAP board to make it show signal via LED unless the serial port can be accessed via scripting, and then you could wire up a circuit to one of the lines (DTR/DSR/CTS/etc). If the DTR line goes up and down when you turn the serial console on and off, maybe there's something there, but nothing I would recommend doing.

I suppose you could dump packets via pingflood and scheduler to the ethernet port, and watch the rate that the light flashes, but that would probably be useless seeing that you can't aim something from outdoors from the indoors. Not to mention horribly inconsistent if the user computer has a virus!
 
OrCAD
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Thu Mar 30, 2006 10:59 pm

I think is wonderful redirect signal strenght to RS232 then attach a simple circuit with IC3915 10 or more led driver.

OrCAD
 
John Olson
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Re: RSSI LED SIGNAL STRENGHT

Fri May 25, 2007 7:19 pm

Mikrotik had a driver for a front panel LCD screen at one time, you could just look at the RSSI, Athough I just got finished climbing a 200 ft tower for a pt to pt and the LEDs on the tranzeo radios sure were nice. if anyone comes up with an LED RSSI bank for routerboards, send me an e-mail - john@webhiway.com