DUG 20 » History » Version 3
roh, 05/07/2020 10:35 PM
| 1 | 1 | laforge | h1. DUG 20 |
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| 3 | 2 | laforge | This is the second-generation GSM Digital Unit for RBS 6xxx. It combines the baseband processing and back-haul interface of up to 12 TRX, in 1..6 logical BTSs. |
| 4 | 1 | laforge | |
| 5 | 2 | laforge | The DUG 20 is only compatible with the [[RUS]] and [[RRUS]] radio units, not with the older [[RUG]] units. |
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| 7 | 3 | roh | {{thumbnail(DUG20_01_front_complete.jpg, size=900)}} |
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| 9 | 2 | laforge | h2. Technical data |
| 10 | |||
| 11 | * 48V DC supply power |
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| 12 | * 70W maximal power consumption |
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| 13 | * Size: 8U x 31mm x 250mm |
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| 14 | * Weight: < 2kg |
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| 15 | |||
| 16 | h2. Front Haul |
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| 17 | |||
| 18 | The DUG 10 has 6 SFP slots for the interface towards the raido units, labelled RI A..F |
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| 19 | |||
| 20 | 3 | roh | {{thumbnail(DUG20_01_SFP_1_detail.jpg, size=400)}} |
| 21 | {{thumbnail(DUG20_01_SFP_2_detail.jpg, size=400)}} |
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| 23 | 2 | laforge | h2. Back-Haul interface |
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| 25 | The back-haul interface is Classic T1/E1/J1 (ISDN) based. The DUG has four T1/E1/J1 lines exposed as two RJ45 connectors ("ET A" and "ET B") |
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| 26 | 3 | roh | |
| 27 | {{thumbnail(DUG20_01_ETB_ETA_detail.jpg, size=400)}} |
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| 28 | |||
| 29 | h2. other details |
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| 30 | |||
| 31 | h3. Flash |
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| 32 | |||
| 33 | There is a CF slot on the left this device and it holds a 256mbyte CF card. |
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| 34 | |||
| 35 | {{thumbnail(DUG20_01_CF-slot_detail.jpg, size=400)}} |
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| 36 | |||
| 37 | h3. LEDs |
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| 38 | |||
| 39 | {{thumbnail(DUG20_01_LED_detail.jpg, size=400)}} |
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| 40 | |||
| 41 | h3. ESB port |
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| 42 | |||
| 43 | note that its a bit smaller than the sfp slots |
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| 44 | |||
| 45 | {{thumbnail(DUG20_01_ESB_detail.jpg, size=400)}} |
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| 46 | |||
| 47 | h3. LMT B, LMT A, EC, GPS |
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| 48 | |||
| 49 | {{thumbnail(DUG20_01_LMT_GPS_detail.jpg, size=400)}} |
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| 50 | |||
| 51 | h3. 48V DC in |
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| 52 | |||
| 53 | {{thumbnail(DUG20_01_DC_in_detail.jpg, size=400)}} |
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| 54 | |||
| 55 | h3. Connector on the Back |
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| 56 | |||
| 57 | {{thumbnail(DUG20_01_backplane_detail.jpg, size=400)}} |
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| 58 | |||
| 59 | h2. Overview Pictures |
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| 60 | |||
| 61 | {{thumbnail(DUG20_01_front_perspective.jpg, size=400)}} |
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| 62 | {{thumbnail(DUG20_01_left_perspective.jpg, size=400)}} |
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| 63 | {{thumbnail(DUG20_01_right_perspective.jpg, size=400)}} |
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| 64 | {{thumbnail(DUG20_01_back_perspective.jpg, size=400)}} |
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| 65 | {{thumbnail(DUG20_01_bottom_complete.jpg, size=400)}} |
