Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security
classification Unrestricted
Page
37 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
LV/ELV lamp supply input - 2 Way 5.08mm pitch
General Functions - 10 Way 3.5mm pitch
(see Table 13 below)
Pin
Function
1
230V Mains supply (LV) or -48V (ELV)
2
Return (Neutral for LV, 0V for ELV)
Table 12 – Lamp Supply & General Functions Connector Pinout
The individual pin functions are fully described in Table 13 below. A basic description of
the pinouts for all PSU connectors can be found on the battery cover.
Pin
Function
Description
1
RTC Out
This provides a Power feed from the PSUs internal backup
battery that can be connected to the CPU board Optional
RTC supply input on the modem power connector pin 4 to
allow the RTC backup time to be extended (almost
indefinitely due to the size of the backup battery).
2
24V Internal Supply
Output
Backed-up
Internal 24V DC power is available on this pin if required
externally to drive auxiliary equipment. This voltage is
identical to the 24V output on CPU board modem power
connector pin 1, i.e. it is backed up at 12V by the battery
during mains power loss.
3
0V
Common supply return