Project

General

Profile

Siemens GSM-R Cab Radio » History » Version 9

laforge, 01/23/2023 06:48 PM

1 3 laforge
{{>toc}}
2 1 laforge
3 3 laforge
h1. Siemens GSM-R CAB Radio
4
5
Osmocom has been provided with two ancient Siemens GSM CAB Radio devices, i.e. the kind of MS installed fixed into a train engine.
6
7
{{thumbnail(20230123_184656.jpg)}}
8
{{thumbnail(20230123_184637.jpg)}}
9
10
11
h2. Sub-Rack Hardware
12
13
{{thumbnail(20230123_184513.jpg)}}
14
15
16
h3. Backplane
17
18
At the back of the sub-rack there's a custom back-plane to interconnect the various modules
19
20
{{thumbnail(20230123_183101.jpg)}}
21
{{thumbnail(20230123_182917.jpg)}}
22
23
h3. High Voltage Power Supply Module
24
25
This is a fully encapsulated, passive cooled, DC/DC converter with
26
* Input voltage 65..150V
27
* Two output voltage rails of 12V / 4A
28
29 4 laforge
{{thumbnail(20230123_183623.jpg)}}
30 3 laforge
31 4 laforge
32 3 laforge
h3. 12V -> 5V DC/DC converter Module
33
34
This is a circuit board that generates a 5V rail from 12V
35
36 4 laforge
{{thumbnail(20230123_183545.jpg)}}
37
{{thumbnail(20230123_183508.jpg)}}
38 3 laforge
39
h3. GSM Modem Module
40
41
This is a module implementing the actual GSM-R modem. It consts of two circuit boards: One digital and one analog/RF.
42
43 4 laforge
{{thumbnail(20230123_184407.jpg)}}
44
{{thumbnail(20230123_184419.jpg)}}
45
{{thumbnail(20230123_184432.jpg)}}
46
{{thumbnail(20230123_184452.jpg)}}
47
48 3 laforge
h4. Digital Board
49 1 laforge
50 5 laforge
{{thumbnail(20230123_184241.jpg)}}
51
{{thumbnail(20230123_184021.jpg)}}
52
{{thumbnail(20230123_184031.jpg)}}
53
{{thumbnail(20230123_184051.jpg)}}
54
{{thumbnail(20230123_184105.jpg)}}
55 3 laforge
56
h4. RF Board
57
58 6 laforge
{{thumbnail(20230123_184153.jpg)}}
59
{{thumbnail(20230123_184143.jpg)}}
60
{{thumbnail(20230123_184116.jpg)}}
61
{{thumbnail(20230123_184003.jpg)}}
62
{{thumbnail(20230123_183952.jpg)}}
63
{{thumbnail(20230123_183940.jpg)}}
64
65 3 laforge
h3. PC/104 embedded PC Module
66
67 1 laforge
This is a carrier board hosting a PC/104 embedded x86 Mainboard.
68
69 7 laforge
{{thumbnail(20230123_183800.jpg)}}
70
71 1 laforge
h4. Carrier
72
73 7 laforge
{{thumbnail(20230123_183641.jpg)}}
74
{{thumbnail(20230123_183815.jpg)}}
75
76 1 laforge
h4. PC/104 x86 SBC
77
78 7 laforge
{{thumbnail(20230123_183714.jpg)}}
79
{{thumbnail(20230123_183728.jpg)}}
80
{{thumbnail(20230123_183747.jpg)}}
81 3 laforge
82
h3. I/O board
83
84
This is a board that brings signals from the backplane and frontplane and brings them to connectors towards the main connector panel.
85
86 8 laforge
{{thumbnail(20230123_183235.jpg)}}
87
{{thumbnail(20230123_183213.jpg)}}
88
{{thumbnail(20230123_183139.jpg)}}
89
{{thumbnail(20230123_183123.jpg)}}
90
91 9 laforge
h3. Audio PA + Relay board
92
93
This board appears to contain an audio Power Amplifier
94
95
{{thumbnail(20230123_183434.jpg)}}
96
{{thumbnail(20230123_183356.jpg)}}
97
{{thumbnail(20230123_183327.jpg)}}
98
{{thumbnail(20230123_183316.jpg)}}
99
{{thumbnail(20230123_183303.jpg)}}
100 3 laforge
101
h2. Handset Hardware
102
103
104
105 1 laforge
h2. Connector pinout
106 2 laforge
107
h3. EXT RADIO (DB-15 female)
108
109
h3. SER I/O (DB-25 male)
110
111
h3. HMI 1 (DB-25 female)
112
113
h3. HMI 2 (DB-25 female)
114
115
h3. MVB OUT (DB-9 female)
116
117
h3. MVB IN (DB-9 female)
118
119
h3. ANT (N)
120
121
This  a standdard 50-ohms N-type conector to connect to the GSM-R antenna.
122
123 1 laforge
h3. PMU (DB-9 male)
124 2 laforge
125 3 laforge
This connector is forwarded internally to the DB-9 connector on the front of the embedded PC. Probably serial console.
126 2 laforge
127
h3. TRAIN POWER AND I/O (circular connector)
128 1 laforge
129
|_.Pin (ext)|_.Internal Connector|_.Internal Connector Pin|_.Wire color|_.Purpose|
130
|H|PL6|1|rose||
131
|K|PL6|2|white||
132
|M|PL6|3|green||
133
|P|PL6|4|purple||
134
|S|PL6|5|blue||
135
|J|PL6|6|black||
136
|L|PL6|7|red||
137
|N|PL6|8|yellow||
138
|R|PL6|9|orange||
139
|B|PL6|10|green||
140
|T|PL7|1|white||
141
|d|PL7|2|green||
142
|F|PL7|4|blue||
143
|A|PL7|5|red||
144
|U|PL7|6|rose||
145
|e|PL7|7|blue||
146
|G|PL7|9|grey||
147
|C|PL7|10|yellow||
148
|V|PL8|1|white||
149
|D|PL8|3|purple||
150
|W|PL8|4|red||
151
|E|PL8|6|orange||
152
|c|PL9|1|orange||
153
|Z|PL9|2|rose||
154
|X|PL9|3|green||
155
|b|PL9|4|grey||
156
|a|PL9|5|red||
157
|Y|PL9|6|yellow||
Add picture from clipboard (Maximum size: 48.8 MB)