Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader Ver. 2: Operating Instructions
Confidential UM 360463-202 Revision: A12 (Draft) Page 36 of 291
© Kapsch TrafficCom Canada Inc. 2014
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
Power Supply Module (PSM)
Function
Provides DC power to
the modules in the
Reader rack.
Allows each side (primary
or secondary) to be
powered on and off via a
power switch .
Units per Redundant
Reader
One secondary PSM
on the secondary side
One primary PSM on
the primary side
The secondary and
primary PSMs are not
interchangeable since
they are mirror images
of each other. The
secondary PSM is
keyed to insert in the
leftmost rack slot and
the primary PSM is
keyed to insert in the
rightmost rack slot.
Normal State
A +15V STATUS LED
illuminates green to
indicate that 15V DC is
being supplied to the
Reader.
A +5V STATUS LED
illuminates green to
indicate that 5V DC is
being supplied to the
Reader.
Connections
A power cable plugs
into a socket  to
supply 120VAC to the
PSMs. Each PSM is
equipped with a
replaceable 10A fuse
.




