MSA AHS-1022, Руководство по эксплуатации

Страница: 10 / 42

9
Version 0.1.1
Operating manual
2 DESCRIPTION AND OPERATION OF THE SYSTEM COMPONENTS
2.1 Control switchboard of antenna heating system
CSAHS is a painted metal cabinet. Figure 2 describes a general view of CSAHS
with an integrated repeater.
Figure 2 – CSAHS with an integrated repeater
CSAHS is mounted on the wall through the mounting holes (Figure 2, position 9).
Three LED light indicators (Figure 2, position 1) are located on the front panel
displaying CSAHS operation status (on/off), main and standby power. Once the power is
supplied, corresponding power LED is lighting up (green), when there is no power – LED
is not lighting. «ON» LED is lighting (green) together with one of the power LEDs.
Repeater is installed into CSAHS front panel (Figure 2, position 2). Use a key to
open the cabinet (Figure 2, position 3). Nameplates of the System (Figure 2, position 7)
and CSAHS (Figure 2, position 8) are attached to the side panel.
Cable glands SKINTOP MS-M 25x1.5 ensure main and standby power
connection to CSAHS (Figure 2, position 4). Use cable glands to connect KP: SKINTOP
MS-M
16x1.5 (Figure 2, position 5) for CAN bus connection, and
SKINTOP MS-M 25x1.5 (Figure 2, position 6) to connect AHU power supply.
2.2 Antenna heating unit
AHU is an RF transparent thermal insulating dome with TH and temperature
sensors installed inside it. Figure 3 describes a general view of AHU (for example,
AHU-1).