Siemens GSM-R Cab Radio » History » Version 4
laforge, 01/23/2023 06:37 PM
| 1 | 3 | laforge | {{>toc}} |
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| 2 | 1 | laforge | |
| 3 | 3 | laforge | h1. Siemens GSM-R CAB Radio |
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| 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. |
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| 7 | {{thumbnail(20230123_184656.jpg)}} |
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| 8 | {{thumbnail(20230123_184637.jpg)}} |
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| 11 | h2. Sub-Rack Hardware |
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| 13 | {{thumbnail(20230123_184513.jpg)}} |
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| 16 | h3. Backplane |
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| 18 | At the back of the sub-rack there's a custom back-plane to interconnect the various modules |
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| 20 | {{thumbnail(20230123_183101.jpg)}} |
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| 21 | {{thumbnail(20230123_182917.jpg)}} |
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| 23 | h3. High Voltage Power Supply Module |
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| 25 | This is a fully encapsulated, passive cooled, DC/DC converter with |
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| 26 | * Input voltage 65..150V |
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| 27 | * Two output voltage rails of 12V / 4A |
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| 29 | 4 | laforge | {{thumbnail(20230123_183623.jpg)}} |
| 30 | 3 | laforge | |
| 31 | 4 | laforge | |
| 32 | 3 | laforge | h3. 12V -> 5V DC/DC converter Module |
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| 34 | This is a circuit board that generates a 5V rail from 12V |
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| 36 | 4 | laforge | {{thumbnail(20230123_183545.jpg)}} |
| 37 | {{thumbnail(20230123_183508.jpg)}} |
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| 38 | 3 | laforge | |
| 39 | 4 | laforge | |
| 40 | 3 | laforge | h3. GSM Modem Module |
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| 42 | This is a module implementing the actual GSM-R modem. It consts of two circuit boards: One digital and one analog/RF. |
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| 44 | 4 | laforge | {{thumbnail(20230123_184407.jpg)}} |
| 45 | {{thumbnail(20230123_184419.jpg)}} |
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| 46 | {{thumbnail(20230123_184432.jpg)}} |
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| 47 | {{thumbnail(20230123_184452.jpg)}} |
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| 48 | |||
| 49 | 3 | laforge | h4. Digital Board |
| 50 | 4 | laforge | |
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| 52 | 3 | laforge | |
| 53 | h4. RF Board |
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| 55 | |||
| 56 | h3. PC/104 embedded PC Module |
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| 58 | This is a carrier board hosting a PC/104 embedded x86 Mainboard. |
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| 59 | |||
| 60 | h4. Carrier |
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| 61 | |||
| 62 | h4. PC/104 x86 SBC |
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| 64 | |||
| 65 | h3. I/O board |
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| 66 | |||
| 67 | This is a board that brings signals from the backplane and frontplane and brings them to connectors towards the main connector panel. |
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| 70 | h2. Handset Hardware |
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| 74 | 1 | laforge | h2. Connector pinout |
| 75 | 2 | laforge | |
| 76 | h3. EXT RADIO (DB-15 female) |
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| 77 | |||
| 78 | h3. SER I/O (DB-25 male) |
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| 79 | |||
| 80 | h3. HMI 1 (DB-25 female) |
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| 81 | |||
| 82 | h3. HMI 2 (DB-25 female) |
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| 83 | |||
| 84 | h3. MVB OUT (DB-9 female) |
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| 85 | |||
| 86 | h3. MVB IN (DB-9 female) |
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| 87 | |||
| 88 | h3. ANT (N) |
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| 89 | |||
| 90 | This a standdard 50-ohms N-type conector to connect to the GSM-R antenna. |
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| 92 | 1 | laforge | h3. PMU (DB-9 male) |
| 93 | 2 | laforge | |
| 94 | 3 | laforge | This connector is forwarded internally to the DB-9 connector on the front of the embedded PC. Probably serial console. |
| 95 | 2 | laforge | |
| 96 | h3. TRAIN POWER AND I/O (circular connector) |
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| 97 | 1 | laforge | |
| 98 | |_.Pin (ext)|_.Internal Connector|_.Internal Connector Pin|_.Wire color|_.Purpose| |
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| 99 | |H|PL6|1|rose|| |
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| 100 | |K|PL6|2|white|| |
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| 101 | |M|PL6|3|green|| |
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| 102 | |P|PL6|4|purple|| |
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| 103 | |S|PL6|5|blue|| |
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| 104 | |J|PL6|6|black|| |
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| 105 | |L|PL6|7|red|| |
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| 106 | |N|PL6|8|yellow|| |
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| 107 | |R|PL6|9|orange|| |
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| 108 | |B|PL6|10|green|| |
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| 109 | |T|PL7|1|white|| |
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| 110 | |d|PL7|2|green|| |
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| 111 | |F|PL7|4|blue|| |
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| 112 | |A|PL7|5|red|| |
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| 113 | |U|PL7|6|rose|| |
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| 114 | |e|PL7|7|blue|| |
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| 115 | |G|PL7|9|grey|| |
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| 116 | |C|PL7|10|yellow|| |
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| 117 | |V|PL8|1|white|| |
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| 118 | |D|PL8|3|purple|| |
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| 119 | |W|PL8|4|red|| |
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| 120 | |E|PL8|6|orange|| |
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| 121 | |c|PL9|1|orange|| |
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| 122 | |Z|PL9|2|rose|| |
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| 123 | |X|PL9|3|green|| |
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| 124 | |b|PL9|4|grey|| |
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| 125 | |a|PL9|5|red|| |
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| 126 | |Y|PL9|6|yellow|| |
