BIT 215 src/simh/sim_tmxr.c BIT(DTR), /* Data Terminal Ready */ BIT 216 src/simh/sim_tmxr.c BIT(RTS), /* Request To Send */ BIT 217 src/simh/sim_tmxr.c BIT(DCD), /* Data Carrier Detect */ BIT 218 src/simh/sim_tmxr.c BIT(RNG), /* Ring Indicator */ BIT 219 src/simh/sim_tmxr.c BIT(CTS), /* Clear To Send */ BIT 220 src/simh/sim_tmxr.c BIT(DSR), /* Data Set Ready */