Symbol LL 500 Guía Rápida página 8

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5. If you are using dual-port RS-232C, or downloading
parameters through the AUX port of the LL 500, you have
a cable which has an 8-pin modular connector at one end,
and a 25-pin d-type connector at the other. The 8-pin end
gets plugged into the LL 500 AUX port. In the LL 500
Product Reference Guide you'll find some tables defining
the pin-outs for the various RS-232C cables.
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