LAN and Telecom Cabling

Cat5 568B cable wrong... but right. Huh?

Explain this and I'll send you some Christmas cookies... I have a OEM cat5 cable. On the side it says "EIA-568B". You a...

5 comments posted 21yrs

posted by rh128592

5 comments posted 21yrs posted by rh128592

Cross Battery and Verizon?

Hey ppl, Does anyone know what is "cross battery"? We put in a NBX 2 months ago running fine. Now, we are getting stati...

5 comments posted 21yrs

posted by nospamperkowski1

5 comments posted 21yrs posted by nospamperkowski1

Help finding building code guidlines for Network and Telephone wiring.

Can anyone point me in the right direction? I need to find, hopefully online, guidelines or building codes regarding ne...

5 comments posted 21yrs

posted by rrkircher

5 comments posted 21yrs posted by rrkircher

Fiasco

Well, the SBC tech showed up today and got a bunch of new phone lines turned up at the MPOE in our new bldg, but it was...

5 comments posted 21yrs

posted by NOSPAM

5 comments posted 21yrs posted by NOSPAM

best suppliers for telecom/networking wiring and adapters

I used to be able to get just about everything that I needed 10 years ago from Graybar, Anixter, and Datacom Warehouse....

4 comments posted 21yrs

posted by zn

4 comments posted 21yrs posted by zn

straight-through T-adapter with 3 jacks for RS422

I'm looking for a T-adapter wired straight-through with RJ11 6conductors that has 3 jacks going into the one plug. I'm...

4 comments posted 21yrs

posted by zn

4 comments posted 21yrs posted by zn

Article on Balanced Line

Although this simple and informative article applies to audio, the principle is the same for datacom and telecom. http:...

0 comments posted 21yrs

posted by NOSPAM

0 comments posted 21yrs posted by NOSPAM

Recommendation for Cable Tester with Trace and Tone Generator?

Hi, I need to get a UTP cable tester with trace and tone generator capability. The trace/tone generator must be able to...

8 comments posted 21yrs

posted by mark

8 comments posted 21yrs posted by mark

Crossover cable, not working (Kind of)

Hi, I've recently made a crossover cable(30m) to connect between 2 laptops. I can't get it to work. I have an IBM think...

14 comments posted 21yrs

posted by walshr

14 comments posted 21yrs posted by walshr

Equipment Rack Loading

What does 569-A say about recommended or required loading capacities of racks? 600lbs? 750? Nothing? How about composit...

1 comments posted 21yrs

posted by ppearce1

1 comments posted 21yrs posted by ppearce1

Cable ends: how important is standard?

I note that if you don't follow the 568A/B standard and just connect the pins according to matching colors, straight th...

33 comments posted 21yrs

posted by me

33 comments posted 21yrs posted by me

Shallow Walls

I'm advising on the rewire of a condo in DC that's undergoing involuntary renovation, after an upstairs waterline blew...

13 comments posted 21yrs

posted by wb8foz

13 comments posted 21yrs posted by wb8foz

VoIP is the future, make millions from it

Want to personally capitalize on a technology that hasn't yet hit the masses? It's VoIP-Voice over Internet Protocol. B...

0 comments posted 21yrs

posted by b_mcclain81

0 comments posted 21yrs posted by b_mcclain81

Telephone wireing advice please.

I have to run 20 lines from a phone closet on the first floor to a closet on the second floor. Unfortunately these clos...

8 comments posted 21yrs

posted by rrkircher

8 comments posted 21yrs posted by rrkircher

How to Plug a big hole?

We have a hole between floors that must be about 3 inch by 16 inch, that allows the 100 pair telephone cables to pass b...

10 comments posted 21yrs

posted by NOSPAM

10 comments posted 21yrs posted by NOSPAM