Operations and Maintenance Manual

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JANUS
®
Multi-Protocol Reader Ver. 2: Appendix
Confidential UM 360463-202: A12 (Draft) Page 268 of 291
© Kapsch TrafficCom Canada Inc. 2013
These drawings and specifications contain confidential and proprietary information and are the property of Kapsch TrafficCom Canada Inc. and are issued in strict
confidence and will be kept confidential and used solely for the purpose intended and for no other purpose and shall not be transmitted, reproduced, copied, and/or
used as the basis for manufacture or sale of apparatus unless otherwise agreed to in writing by Kapsch TrafficCom Canada Inc.
FILE: MPR2_OPERATIONS_AND_MAINTENANCE-MANUAL_REV A12.DOCX 05/08/2014 11:24
Kapsch TrafficCom
LPM RS-232 COM Port pin out
Connector Type
Data Terminal Equipment (DTE) pin assignment, DB9
Lightning Suppression
Recommended on pins 2, 3, 7, 8.
Pin
Number
Signal
Description
Diagram
1
DCD
Data Carrier Detect
2
TXD
Transmit data output
3
RXD
Receive data input
4
DTR
Data Terminal Ready
5
SGND
Signal ground
6
DSR
Data Set Ready
7
RTS
Ready to Send
8
CTS
Clear To Send
9
CGND
Chassis ground