Operations and Maintenance Manual

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JANUS
®
Multi-Protocol Reader 2.4 Appendix
Confidential UM 360467-110 Revision: B Page 224 of 247
© Kapsch TrafficCom Canada Inc. 2021
All information contained herein is proprietary to, and may only be used with express, written permission from, Kapsch TrafficCom Canada Inc.
FILE: UM 360467-110 REV B3 MPR 2.4 CLEAN.DOCX 03/02/2021 1:01
Kapsch TrafficCom
SPM terminal block connections
Connector Type
Terminal block
Lightning Suppression
Recommended for all signal wires.
Terminal Number
Signal
Description
Diagram
1
CGND
chassis ground, shield
2
R-
Sync Rx (RS-422 -)
3
R+
Sync Rx (RS-422 +)
4
T+
Sync Tx (RS-422 +)
5
T-
Sync Tx (RS-422 -)
6
CGND
chassis ground, shield
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