20
MI992
User’s Manual
2.5.1
COM1 & COM2 RS-232/422/485 Ports (CN1)
COM1:
COM2:
1
6
5
9
1
6
5
9
Pin
Assigment
Pin
Assigment
1
DCD, Data carrier detect
6
DSR, Data set ready
2
RXD, Receive data
7
RTS, Request to send
3
TXD, Transmit data
8
CTS, Clear to send
4
DTR, Data terminal ready 9
RI, Ring indicator
5
Ground
Pin
Assignment
RS-232
RS-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
Summary of Contents for MI992
Page 15: ...General Information MI992 User s Manual 7 1 1 6 Block Diagram...
Page 18: ...10 MI992 User s Manual 1 8 Dimensions...
Page 22: ...14 MI992 User s Manual 2 3 Jumper Connector Locations on MI992...
Page 40: ...32 MI992 User s Manual This page is intentionally left blank...
Page 82: ...74 MI992 User s Manual This page is intentionally left blank...