[AMPS] Relays hanging up

[2@vc.net (measures)]

>
>> I was working at a telephonecompany once.
>> We had a rubberhammer that was used to 
>> hit the relayracks with when we got too many
>> complains about crosscoupled phonelines.
>> 
>> When we did that we could hear virtuallu hundreds
>> of relays clickking off held by residual magnetism.
>
>Mechanical non-mercury wetted relays in a telephone switching 
>system?
>
>What a system. No wonder the materials in the relay magnetic 
>parts were poor!
>
?  ''poor''?  All relay armatures contain iron.  Hello.  If the spring 
isn't strong enough, it can hang up.  
>........

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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