Reference Manual Part 1

RBS 2106
RBS
cabinet
TM
Transmission
equipment
DXU
(DXX)
Lightning
Protection
and
RF filter
P012580A
Figure 10 Recommended TM Installation
The maximum dimensions for the TM are shown in the table below.
Table 7 Maximum Dimensions
Panel Width 485 mm
Height 445 mm
Depth behind Mounting Rails 267 mm (6 HE)
Depth behind Mounting Rails 280 mm
Space in Front of Mounting Rails
(1)
65 mm
(1) For cables and connectors.
Note: The TM space is based on the 19 in. standard, housing equipment.
The TM power distribution is shown in the table below.
Table 8 Power Distribution for the TM Space
Power Distribution DC
2 x 250 W at +24 V DC
Power Distribution AC
2 x 200 W at -48 V AC
Note: The maximum power distribution allowed in the TM space is 300 W.
The available airflow for cooling is 25 g/s (corresponding to approximately
80 – 85 m
3
/h) at a pressure drop of 60 Pa.
Transmission Adapter
The transmission adapter converts 75
coax to 120 twisted pair.
22 (36)
E
N/LZT 720 0222 Uen R6A