The Acc/Dcc Hardware (Vb220); Cooling System; Acc Power Supply - BridgeTech VB20 User Manual

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4.6 The ACC/DCC Hardware (VB220)

In the cases where redundant power supplies are not required the ACC and DCC
chassis options are suitable.
Each ACC or DCC unit consists of a 1RU chassis with 3 option slots. The unit can be
equipped with either a 100-240V AC power supply (ACC) or a -48V DC power supply
(DCC). The unit is forced air ventilated, the air flow going from left to right as seen
from the connector side of the unit. The maximum power consumption of the chassis
with optional modules is 50W. By default all connectors and the power plug are located
at the front of the unit. However the rack ears of the chassis may be moved to provide
for rear mounting of the unit. The rack ears are designed to support the weight of the
unit.
Figure 3: The ACC Unit with probe boards installed – Direction of Air Flow

4.6.1 Cooling System

The chassis is equipped with three fans that suck in air from the left-hand side of the
chassis as seen in figure 3. The air exits on the right-hand side.

4.6.2 ACC Power Supply

The ACC unit is equipped with a 100-240V AC / 50W power supply.
PROBE USERS' MANUAL VERSION 5.0
2014 © BRIDGE Technologies Co AS - Bentsebrugata 20 - N-0476 Oslo, Norway - tel: +47 22 38 51 00 -
www.bridgetech.tv
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