Recent content by cymon

Threaded rack stuff is probably just going to be 10/32 threaded. See if you can get some 10/32 bolts, then just have a small piece of wood bolted into the rack. Do that on both sides, then attach a 1x2 or something between them. The idea is just to get a strip of wood bolted on, then you can...

You can't just switch HDMI to Firewire. You need an interface that can convert HDMI (which is a video-specific thing) to something the computer can actually work with. There are cards that do this cheaply, but the fact that you have a laptop (which can't take PCI/PCI-E) makes this somewhat...

There are devices (baluns) to run Firewire over standard UTP (unshielded twisted pair) cabling - such as Cat6 network cables. It sounds like the repeaters you are using are just like four port hubs which aren't really that stable, especially once you start to daisy-chain them. There are a lot...

Running any copper cabling between buildings is a terrible idea since you *will* have issues with potential differences - even without considering lighting. Fiber is the preferred option since it is non conductive. Microwave links are an option however the unlicensed spectrums aren't getting...

schell is dead on about this from a simple RF propagation perspective. The 2.4GHz ISM band was specifically allocated since the water molecule is highly effective at absorbing RF energy at that particular frequency. It's an interesting exercise to be forced to question the typical assumptions...

Type the IP address in the log into a web browser. Should work fine unless a vhost is involved.

Of course two connectors failed - line and neutral. Kirchoff's current law. Without seeing the inside of the plug, it's pointless to speculate on what the root cause is, because simply looking at the cable eliminates the possibility that it was shoddy assembly that burned it up. Alternatively...

I just punch down the copper uplink ports as the last couple ports on the patch panel. However, I've only had the chance to use cheaper switches that are *exactly* 24 ports. What you could try is mounting a surface mount box inside the rack, then adding four keystone jacks inside there.

Assuming that it either uses no flow control, or XON/XOFF (software), all you need is: BayTech pin 2 to Digi pin 4 (GND to GND) BayTech pin 4 to Digi pin 3 (Baytech transmit to Digi receive) BayTech pin 5 to Digi pin 6 (Baytech receive from Digi transmit) I don't think the BayTech uses...

Balun - it's an abbreviation for 'Balanced/unbalanced', which makes sense, since VGA/composite video/consumer audio are all unbalanced, and the transformer adapts them to catX-pair based cables (twisted-pair does balanced transmission *very* well due to the very even common-mode noise coupling)...

If this is a custom build - it's almost certainly going to be windows. I'm a radio engineer myself - which means that I build PC's that do audio playout/recording/encoding 24/7 in mission critical environments. Production has its own can of worms that gets opened, but a lot of this stuff is...

Right - Linux and FreeBSD kernels support SMP. However, that only applies to user-mode programs, like Firefox, Apache Web Server, and MATLAB. Packet routing (and therefore, filtering) are performed in the kernel-space of an operating system. This is the part of a (monolithic) operating system...

It is - and things that run in the userland can take advantage of that. However, pf, ipfw, and other firewall packages run in kernel mode - they have to, since the kernel provides IP routing services. I'm not aware of any general purpose operating systems that support multithreaded kernel-mode...

The poster specifically stated that the network infrastructure was part of the same plant as the RF equipment. If they are sharing any wiring infrastructure, RF plant grounding practices should be followed. They would be wise to follow Motorola's practices simply because Motorola knows what...

Actually, no, you are talking out of your ass. First off, the facility is not just a regular datacenter - it's an RF plant which just so happens to carry antennas that have a low-impedance path right into the back of the transmitter - which I'm willing to bet is linked in with those switches...