[c-nsp] Cisco 7609, LR Transceiver for Short Distance Connection

[Keegan Holley]

I asked a transport guy (I couldn't even pretend to be one) and he said that
the answer depends on the equipment.  Each device/card should have an
overload rating and a damage rating.  Exceeding the former will cause damage
and/or degradation over time and exceeding the latter will cause more
immediate problems.  I would purchase the attenuators, they are literally 1
dollar.  However, if your in a pinch you can measure the signal levels at
the far end and just make sure that they are not hazardous to your
equipment.


On Wed, Sep 8, 2010 at 5:32 PM, Felix Nkansah <felixnkansah at gmail.com>wrote:

> Hi,
>
> I have Long-Reach STM4 transceivers (can go up to 80km) in a Cisco 7600
> router that is to connect to a transmission device that is just 10m away.
>
> I also have Long-Reach tenGig X2 transceivers for connection to other
> devices that are also just a few meters away.
>
> I am told that using the LR for short distance connections would cause
> problems, but we don't have time to order new transceivers.
>
> Is there a way to set the transceiver interface on the 7600 to adjust to
> the
> short distance? such as changing the transmission power or something?
>
> Your suggestions please. Thanks.
>
> Felix
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