Siemens ST950 Handbook page 39

Front Serial
Phase Bus
(LSLS)
Parellel Phase
Bus
Status LEDs
Level 3
Pushbutton
USB Master
USB Device
RS232
Handset
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.
Security classification Unrestricted
Version 7
Last Editor manpreet.jeerh
Document Name ST950 ICM Handbook
Copyright © Siemens plc 2020. All Rights Reserved.
Front
Page
Status
Date
Document No.
Mobility is a division of Siemens Plc
Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Rear
39 of 154
Issued
January 2020
667/HE/45950/000
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