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Author Topic: SC1200A and XTB-IIR  (Read 2943 times)

Brian H

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SC1200A and XTB-IIR
« on: March 20, 2011, 10:52:51 AM »

If anyone is using the SC1200A Security Console and has an XTB-IIR Repeater Coupler.
If you notice after a minute or so some of your Security Lights stop responding and the XTB-IIR stops sending signals.
The SC1200A sends so many messages on the power line in a minute. It exceeded the default Command Storm Threshold.
I reset Option 7 High Command Threshold 60/min On.
http://jvde.us/xtb/XTB-IIR_modeoptions.htm
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JeffVolp

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Re: SC1200A and XTB-IIR
« Reply #1 on: March 20, 2011, 11:24:57 AM »


The XTB-IIR shuts down its transmitter when there is excess X10 traffic on the powerline.   That is usually caused by a stuck transmitter, such as setting something heavy down on a Palmpad.

The default will pass a burst of about 120 commands, or 20 per minute continuous.  Selecting the high threshold will pass a burst of about 400 commands, or 60 per minute continuous.  Note that many X10 operations require two commands - one to select the device, and a second to tell it what to do.

Here the default works fine even though there is a long macro that initializes everyting to a defined state when recovering from a power outage.  However, devices that virtually saturate the powerline with commands, such as the burglar alarm interface, will eventually reach even the high shutdown threshold.  The repeater configuration should be used for devices like that so they will continue to operate the subset of devices they can reach barefoot when the XTB-IIR eventually goes into command storm shutdown.

Jeff
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X-10 automation since the BSR days

phongluu

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Re: SC1200A and XTB-IIR
« Reply #2 on: April 23, 2011, 02:39:26 AM »

Hmmm...
This is interesting.
As I notice today with my test while trying to have the SC12A trigger the powerflash that connects directly to the Arm LED: it didnt do a thing until I filtered the SC12A Powersupply, or remove the PS off the power.
I'm gonna look into this. Thanks Brian H. As I also have XTB-IIR

P.L
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