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MIUXXX/485 Installation, Operation & Diagnostics Edition: June 17, 2003
Page A-1
APPENDIX A.
CONNECTOR PIN DEFINITIONS
CONNECTOR
P2
: RS-232 Configuration Connector (DB9) MIU
DCD 1 data carrier detect from MIUXXX\485
RD 2 receive data from MIUXXX\485
TD 3 transmit data to MIUXXX\485
DTR 4 data terminal ready to MIUXXX\485
GND 5 ground
DSR 6 data set ready from MIUXXX\485
RTS 7 request to send to MIUXXX\485
CTS 8 clear to send from MIUXXX\485
RI 9 ring indication from MIUXXX\485
PGND shield protective ground
_______________________________________________________________________________
CONNECTOR
P1
: RS-485 Configuration Connector 4 Positions header with .138
spacing
Interface to 4 positions Plug-in Terminal Block
TXY 1 transmit data (+) from MIUXXX\485 module
TXZ 2 transmit data (-) from MIUXXX\485 module
RX 3 receive data (+) to MIUXXX\485 module
/RX 4 receive data (-) to MIUXXX/485 module