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Card type EM card, EM compatible card ,EM4100\4102. It is a Com port RS232 output. RS232 Data Structure (Serial ASCII). The CR/LF characters serve to bring the received screen text back to the left hand side and on the line below.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.