Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification Unrestricted Page 75 of 92
Version 3 Status Issued
Last Editor Alan Doyle Date 05-Oct-2017
Document Name Stratos Outstation General and ICM Handbook Document No. 667/HB/52250/000
Copyright © Siemens plc 2014. All Rights Reserved. Mobility and Logistics is a division of Siemens Plc
Figure 21 – CPU Removal
7.3.2 Replacing the PSU Board
The PSU board is not considered to be a field replaceable part as the unit needs to be
fully disassembled to replace it. If the PSU board is thought to be faulty, return the
complete unit for repair.
7.3.3 Replacing the 48-16 I/O Board
To remove the I/O board follow the following procedure:
1. Remove the RJ45 cable(s).
2. Remove the four nuts and spring washers shown in Figure 22 below.
3. Pull the board vertically off the mounting studs.
4. Replace the board using the reverse procedure ensuring that each I/O board
address is set correctly and that the correct wiring loom is plugged back into the
correct position on the correct board.
5. Reconnect the RJ45 cable(s) ensuring that they are plugged into the correct
connector (IN & OUT).
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