DUG 20¶

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.

The DUG 20 is only compatible with the RUS and RRUS radio units, not with the older RUG units.

• Table of contents
• DUG 20
  • Technical data
  • Front Haul
  • Back-Haul interface
  • other details
    • Flash
    • LEDs
    • ESB port
    • LMT B, LMT A, EC, GPS
    • 48V DC in
    • Connector on the Back
  • Overview Pictures

Technical data¶

• 48V DC supply power
• 70W maximal power consumption
• Size: 8U x 31mm x 250mm
• Weight: < 2kg

Front Haul¶

The DUG 10 has 6 SFP slots for the interface towards the radio units, labelled RI A..F

Back-Haul interface¶

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")

other details¶

Flash¶

There is a CF slot on the left this device and it holds a 256mbyte CF card.

LEDs¶

ESB port¶

note that its a bit smaller than the sfp slots

LMT B, LMT A, EC, GPS¶

48V DC in¶

Connector on the Back¶

Overview Pictures¶