User Manual

RBS 2107
ESB
TG synchronisation is the technology used to expand one RBS 2107 cabinet
with another RBS cabinet in the same cell. The ESB is the cable between
the DXUs.
Number of units: 0 – 1
Gas Collecting Kit
The batteries can be fitted with a gas evaporating kit, which removes gases
from the cabinet.
Number of units: 0 – 1
OXU
The following Optional Expansion Unit (OXU) positions are available:
• Two spaces in the DXU/dTRU subrack 1 × 5 TE and 1 × 12 TE (× 5.08 mm)
• Two 19-inch OXU positions are available below the DXU/dTRU subrack
RUs that are often located in the OXU slots include the DXX and the TMA-CM.
The 19-inch position below the DXU/dTRU subrack is used for transmission
equipment.
Smoke Detector
The smoke detector detects smoke inside the cabinet. When smoke enters the
detector an alarm is activated.
Number of units: 0 – 1
TMA-CM
The Tower Mounted Amplifier-Control Module (TMA-CM) is used to provide
a ddTMA with 15 V DC power through the bias injectors. It also identifies
ddTMA faults and forwards this information to the alarm module in the RBS. If
a TMA-CM is used, then it is located in the DXU/dTRU subrack. If a second
TMA-CM is used, then it is located in the 5 TE (× 5.08 mm) OXU position.
Number of units: 0 – 2
16 (28)
E
N/LZT 720 0491 Uen R2A