Siemens ST950 - Page 39

Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
39 of 154
Version
7
Status
Issued
Last Editor
manpreet.jeerh
Date
January 2020
Document Name
ST950 ICM Handbook
Document No.
667/HE/45950/000
Copyright © Siemens plc 2020. All Rights Reserved. Mobility is a division of Siemens Plc
Front Serial
Phase Bus
(LSLS)
Parellel Phase
Bus
Status LEDs
Level 3
Pushbutton
USB Master
USB Device
RS232
Handset
Rear Serial
Phase Bus
(LSLS)
GSPI 1
GSPI 2
GSPI Manual
Panel (future)
Cabinet SiGs (top)
Aux RS232 (bot)
USB Master
Modem pwr (top)
Modem RS232 (bot)
Ethernet
LGG module
Power Supply
LPU + HPU
Relays
Front Rear
Figure 18 – ST950 ELV CPU Card (front and rear views)
Figure 18 shows the CPU Cards interfaces on the front and rear in the orientation
when installed in the logic rack (but without cables for clarity)
The ST950 significant part positions are identified in Figure 19 below and detailed in
Table 5.