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

Asbjorn Hojmark - Lists lists at hojmark.org
Thu Sep 9 04:17:27 EDT 2010

On Thu, 9 Sep 2010 10:02:46 +0200, you wrote:

>> *Maximum* transmit power is 4 dBm and max receive is -1 dBm, so an
>> attenuator is certainly highly recommended for short distances.

> Yes, but it won't be transmitting max power for sure.

No... it might be transmitting with only 2, or even 0 dBm, but that's
still too much.

> All I'm saying that it will work even without attenuators. 

Yeah, you're likely to get a link. That's certainly not the same thing
as it being a recommended setup for production.

> He can always check power levels and see if there is a need for an
> attenuator. 

You are aware that the power levels can and do change?

The attenuator might be 1$, so why bother trying to run something out
of spec?


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