User Manual

218
User Manual
Ports
The TRSN version (suitable to all types of remote units) is available with
• 12 supply outputs
• 24 supply outputs
It can supply 1 A per port.
The TRS version (suitable to single and dual band TFAN remote units and to
TFAM20) is available with 24 supply outputs. It can supply 0.5 A per port.
Power supply
Both the TRS and the TRSN subracks can be feeded either by 115 Vac mains
or by 230 Vac mains (50/60Hz). The proper
feeding voltage has to be selected through a
voltage selector which is placed on the back
panel, near the mains connector .
Thanks to the active distribution system
(please refer to the electrical scheme in fig.
5.45a), a -48 Vdc power supply be conveyed
to the remote units connected to the output
ports.
TRS
TRSN
Fig. 5.42. Picture
of 12- output
TRSN subrack.
Voltage
selecto
r
Ground screw
Mains
connector and
Fig. 5.43. Picture of the rear side of the TRS/TRSN subrack feeded by 115Vac-230Vac mains (a).
Mains connector, fuse, voltage selector and ground screw on the TRS/TRSN rear panel(b).
(a)
(b)