> Subject: RE: [nsp] [NSP] T3 port adapter and back-to-back testing
> was going up and down constantly. When it was up, I could
> ping, but in the
> middle it would timeout due to line protocol down.
>
> I am trying to verify my config. I have tried setting a
> clock, tried new
> adapters and new VIP's.
You must set the cable length to a value that accurately reflects the true
length of the cable. Otherwise, the pulse voltage is too high on the
receiver, which causes coding violations, among other things.
One side must also set the clock.
./chris
>
> Thanks,
> Richie Bowick
> rb@mindspring.com
>
> -----Original Message-----
> From: Richard Golodner [mailto:RGolodner@Aetea.com]
> Sent: Tuesday, November 21, 2000 10:26 AM
> To: 'Richie'
> Subject: RE: [nsp] [NSP] T3 port adapter and back-to-back testing
>
>
> Richie, who is provididng your leased lines. I am wondering
> who told you
> that you do not have to configure clock, as you will need a
> timing source
> which is usually provided by the telco and if this is the
> case you configure
> for line...Respond if you need more info...
> Be cool, Richard Golodner
>
> -----Original Message-----
> From: Richie [mailto:rb@mindspring.com]
> Sent: Tuesday, November 21, 2000 10:19 AM
> To: cisco-nsp@puck.nether.net
> Cc: rb@mindspring.com
> Subject: [nsp] [NSP] T3 port adapter and back-to-back testing
>
>
> Can someone assist me with this? I have two 7505 routers
> with RSP4, VIP2-50
> and PA-2T3 port adapters. I am performing testing and need
> to connect the
> T3's back-to-back. I am having trouble with the config
> and/or possibly the
> adapters. I have been informed that I don't need to
> configure clock on one
> side as usually is done. I understand the concept of DCE to
> DTE cables as I
> have done this with serial connections and no problems.
>
> I am using 75ohm, 16AWG cables with the transmit going to the
> receive on the
> other router and vice versa.
>
> The questions:
> 1. Do I need special cables?
>
> 2. Do I need to set clock on one side?
>
> 3. Do I need to set clock source internal or line?
>
> If you have a sample config to use that would be great or
> want to contact me
> directly please do so.
>
> Thanks in advance,
> Richie Bowick
> rb@mindspring.com
>
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