serial communication module

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  6ES7963-1AA10-0AA0 SIEMENS Exclusive SIMATIC S7-400 RS232 Interface Module Original Brand New

  6ES7963-1AA10-0AA0

  $471.90 On backorder

  Factory lead time 2–3 weeks

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  6ES7441-1AA05-0AE0 SIEMENS Exclusive SIMATIC S7-400 CP 441-1 Coupling Module Original Brand New

  6ES7441-1AA05-0AE0

  $1,467.44 On backorder

  Factory lead time 2–3 weeks

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