Impulse 7106 - Manual (Page 15)

© Sealevel Systems, Inc. - 13 - ULTRA 530.LPCI User Manual
RS-422/485/530 Pin Assignments (DB25 Male)
Signal Name Pin # Mode
GND Ground 7
RDB RX+ Receive Positive 16 Input
RDA RX- Receive Negative 3 Input
CTSB CTS+ Clear To Send Positive 13 Input
CTSA CTS- Clear To Send Negative 5 Input
DSRB DSR+ Data Set Ready Positive 22 Input
DSRA DSR- Data Set Ready Negative 6 Input
DCDB DCD+ Data Carrier Detect Positive 10 Input
DCDA DCD Data Carrier Detect Negative 8 Input
TDB TX+ Transmit Positive 14 Output
TDA TX- Transmit Negative 2 Output
RTSB RTS+ Request To Send Positive 19 Output
RTSA RTS- Request To Send Negative 4 Output
DTRB DTR+ Data Terminal. Ready Positive 23 Output
DTRA DTR- Data Terminal Ready Negative 20 Output
TXCB TXC+ Transmit Clock Positive 12 Input
TXCA TXC- Transmit Clock Negative 15 Input
RXCB RXC+ Receive Clock Positive 9 Input
RXCA RXC- Receive Clock Negative 17 Input
TSETB TSET+ Terminal Timing Positive 11 Output
TSETA TSET- Terminal Timing Negative 24 Output
Note: These assignments meet the EIA/TIA/ANSI-530 DTE specification
with the exception of Ring Indicator, which is not specified. It has been
included here for compatibility with systems requiring Ring Indicator.