Bt Hawk Tester User Manual
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I have recently bought a BT Hawk tester. Come with a user manual. There is a whole section on the BT intranet about the Hawk.
I have recently bought a BT Hawk tester, with an intention of using the TDR function to check for damaged cables. This machine does far more than I was expecting it to, and did not come with a user manual. I can figure out quite a lot by just playing about with it, but does anyone know how to use it for real?
Particularly the TDR function? I have contacted Spirent, the manufacturers, who have advised that there is a whole section on the BT intranet about the Hawk; unfortunately, I am not a BT employee. I actually intend to use the machine on plant machinery, to find damage in wiring looms. (I realise this is off-subject, but I'm hoping the people with the knowledge will be in this forum).
I'm not sure what I can offer in return. I'm a bit of an all-rounder in knowledge and experience (jack/master etc.) but might be able to help others, somewhere! Back to top ian field 04.06.10 14:39. I don't know about the Hawk but in general terms a TDR works by sending out a signal and looking for a reflection to determine the distance to an open or short circuit. I haven't used one in many years so I can't recall which way round the trace deflections are but faults are indicated by upward or downward deviations from the horizontal trace line and the distance to the fault(s) is/are indicated according to the scale setting.
One thing to be aware of is that the TDR reads differently for different types of cable i.e. PVC, Lead Covered, Polyethylene etc and for different poundages/ cross sectional areas and the TDRs that I have used all have various compensator black boxes (equalisation networks), each to be connected according to the cable type under test so that the TDR can be used in a uniform manner otherwise the distance to a fault although indicated could be out by several hundred metres or indeed faults may be indicated at the zero feet mark!
Brian Gaius 05.06.10 5:42. I have recently bought a BT Hawk tester, with an intention of using the TDR function to check for damaged cables. This machine does far more than I was expecting it to, and did not come with a user manual. Usually no manual = 'fell off the back of a lorry'. Better than thrown from the top of a pole;-) Kraftee, can you comment on a suggestion made in u.t.b about OR engineers not being allowed to work on pole mounted DPs unless there is a second engineer present?
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- Graham.%Profoundobservation% Liam1f 05.06.10 14:44. Probably down to my own idiocy, I must admit that I never thought of that. I sincerely hope I have a legitimate unit, not a knock-off one. It was bought on Ebay from someone with nearly 1000 feedbacks at 100%, so I really hope it's okay. Brian, thanks very much for the info.
I had gleaned something similar, about the velocity setting, which I reckon I can sort out by trial and error comparison on a good bit of cable. When I know how to do it! I'm ready to be told I'm wrong, though. Don't pull any punches, I just want my investmet to work!
Thanks for all the replies, everyone. Webreader 06.06.10 10:46. Webreader wrote: On Jun 13, 4:06 pm, 'kraftee' wrote: 'Dave Wade' wrote in message news:uqednR7QJbRDInRnZ2dnUVZ7sKdnZ2d@eclipse.net.uk.
'kraftee' wrote in message news:5MidnR5Pk4BpVI7RnZ2dnUVZ7tudnZ2d@bt.com. 'webreader' wrote in message news:5e25d3df-a2c4-4990-9cd7-98615f789b35@w31g2000yqb.googlegroups.com. On Jun 5, 8:57 pm, 'Graham.'
Wrote: snip Openreach did have a database of locations where the requirments were two engineers (depended on the time of day) WSR Which very often is not supplied to any engineers being ported in(from other areas) for the day/week and it's only after meeting a local engineer you find out how much your trust is being abused. Did you do pole training? I worked/contracted at Marconi (was GPT originally I think) near Coventry and they had poles for training. Yes, at a place near Bristol but just what has that got to do with having ladders stolen and working in 2 man/ dangerous areas without being informed that you are? I thought the database was available on line.
Well, there is a system that purports to provide that information. But, I guess, like many 'one truth' systems it relies on people maintaining the data. Tony Davison 14.06.10 3:44.