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F-2 User’s Reference Guide
Pin 8 CTS Pin 8 RLSD
Pin 9 DSR Pin 9 -RSET (EIA-530)
Pin 10 DCD Pin 10 (not used)
Pin 11 (not used) Pin 11 -TSET (EIA-530)
Pin 12 TCA Pin 12 (not used)
Pin 13 TCB Pin 13 (not used)
Pin 14 RCA Pin 14 -TD (EIA-530) STD (EIA-232)
Pin 15 RCB Pin 15 (not used)
Pin 16 -RD (EIA-530) SRD (EIA-232)
Pin 17 RSET
Pin 18 (not used)
Pin 19 -RTS (EIA-530) SRTS (EIA-232)
Pin 20 DTE Ready
Pin 21 (not used)
Pin 22 (not used)
Pin 23 Ground
Pin 24 TSET
Pin 25 (not used)
Note: Certain RS-232 modems do not properly accept signals on pins 12/24, 13/11,
14/17, and 15/9. For these applications, these pins may need to be cut.
HD-15 DB-25