Search results for query: *

UL and CSA are underwriting/testing groups here in North America. They test everything from toasters to cable. In the US we must adhere to " The Code", which also called the National Electrical Code. It is published by the National Fire Protection Association (NFPA) The NEC is...

I use "Sherlock". Application loads from a floppy. You need their "box" to interface the date to the "sniffer" PC. Works great, does just about any RS232 protocol, speed etc. I think the last box i bought was about $1300. pfry Wyoming

Like the other reply said: It saves you an antenna, feedline, etc. True you can run without a duplexer, but make sure you have adequate antenna seperation. 50km radius coverage with handhelds will be tough with one centrally located repeater. I have 3 repeaters at my plant. They are all 800mhz...

Like robertjo said , It depends on the PBX. One of the most commonly used small PBXs are the ones sold by Panasonic. They are used all over the world. They can be equipped with analog(plain old loop start dial tone with ringer voltage) or Panasonic's proprietary digital phone lines. Just about...

You might look at using Belden DataTuff Cat5. It's armored/shielded and cost about $650 per thousand ft. You may be able to run it in your cable tray. I use it at my facility in the process areas for phone/data. Your distance(110m) is at the theoretical limit of ethernet over utp but I've pushed...