Posts Tagged port

Some OS X DHCP Esoterica

Because I develop Software Defined Radio (SDR) software, I have occasion to connect, and disconnect, various network devices to my wired network in order to test them all day long. Most of the SDRs are designed to configure using DHCP, or can be convinced to do so. That saves some fooling around, and is a good thing. However, my network is extensive, devices are always being moved around, WiFi devices arriving and leaving, and so once the SDRs are assigned an IP, I have to go hunt them down. It was annoying that they’re always showing up somewhere different.

However, my Mac Pro had an unused second ethernet port sitting. right. there. Hmmm. So…
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Review: 4 Port 250 Mhz VGA Splitter

splitter I purchased this VGA Splitterto drive multiple monitors from the VGA output of a 16-channel security DVR. It’s a small, flat black box with all connections on the rear, nothing on the front but a single red LED indicating it is powered up.

At this point, I’ve set it up with two monitors on outputs one and two, each on a 100 foot standard VGA cable. Fidelity is good; no hum or other interference is visible, and the resulting display is very sharp. However, my application is not as demanding in terms of sharpness as normal computer output is; I’m only using 640×400 resolution. Other reviews agree that output is sharp for computer use, and the claim in the marketing materials is that it is good up to 1920 horizontally. Odds are excellent that it will provide a sharp display in your application, but again, I can’t vouch for that, only for what I have seen.
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