Samsung NX-308 - Manual (Page 37)

R-MMC PC
(9 PIN) (9 PIN)
RXD 2 2 RXD
TXD 3 3 TXD
DTR 4 4 DTR
SGND 5 5 SGND
CTS 8
NOTE : If the CTS pin is not connected, the system cannot check the printer
(MODEM) status (power ON/OFF, paper empty, etc.)
FIGURE 7-4 SMDR & REMOTE PROGRAMMING CONNECTIONS
NX-SERIES HYBRID KEY SYSTEM INSTALLATION SECTION
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