DUG 20 » History » Version 4
roh, 05/13/2020 07:58 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 | 4 | roh | {{>toc}} |
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11 | 2 | laforge | h2. Technical data |
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13 | * 48V DC supply power |
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14 | * 70W maximal power consumption |
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15 | * Size: 8U x 31mm x 250mm |
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16 | * Weight: < 2kg |
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18 | h2. Front Haul |
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20 | The DUG 10 has 6 SFP slots for the interface towards the raido units, labelled RI A..F |
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22 | 3 | roh | {{thumbnail(DUG20_01_SFP_1_detail.jpg, size=400)}} |
23 | {{thumbnail(DUG20_01_SFP_2_detail.jpg, size=400)}} |
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25 | 2 | laforge | h2. Back-Haul interface |
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27 | 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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28 | 3 | roh | |
29 | {{thumbnail(DUG20_01_ETB_ETA_detail.jpg, size=400)}} |
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31 | h2. other details |
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33 | h3. Flash |
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35 | There is a CF slot on the left this device and it holds a 256mbyte CF card. |
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37 | {{thumbnail(DUG20_01_CF-slot_detail.jpg, size=400)}} |
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39 | h3. LEDs |
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41 | {{thumbnail(DUG20_01_LED_detail.jpg, size=400)}} |
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43 | h3. ESB port |
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45 | note that its a bit smaller than the sfp slots |
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47 | {{thumbnail(DUG20_01_ESB_detail.jpg, size=400)}} |
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48 | |||
49 | h3. LMT B, LMT A, EC, GPS |
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51 | {{thumbnail(DUG20_01_LMT_GPS_detail.jpg, size=400)}} |
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53 | h3. 48V DC in |
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54 | |||
55 | {{thumbnail(DUG20_01_DC_in_detail.jpg, size=400)}} |
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57 | h3. Connector on the Back |
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59 | {{thumbnail(DUG20_01_backplane_detail.jpg, size=400)}} |
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60 | |||
61 | h2. Overview Pictures |
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63 | {{thumbnail(DUG20_01_front_perspective.jpg, size=400)}} |
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64 | {{thumbnail(DUG20_01_left_perspective.jpg, size=400)}} |
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65 | {{thumbnail(DUG20_01_right_perspective.jpg, size=400)}} |
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66 | {{thumbnail(DUG20_01_back_perspective.jpg, size=400)}} |
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67 | {{thumbnail(DUG20_01_bottom_complete.jpg, size=400)}} |