WE 500B & 500T Detail

WE 500B: Early single line w/ 425A net, with 311A Equalizer
WE500T: Early single line w/ 425A net, no equalizer, but terminal block for handset leads

©2002 paulf.  All rights reserved.
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WE 311A Equalizer  (WE500B)                                     Terminal Strip (WE500T)
 
WE 311A Equalizer   WE 500T Terminal Strip
 

 
WE 425A Network (WE500B & T)
 
WE 425A Network
 

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©2002 paulf.  All rights reserved.