2.2 Ventilation
Eachframeemploysan internalfanassemblyproviding horizontalcross ventilationto
maintainacool,internal, airtemperature. Framesmaythereforebemounteddirectlyontop
ofeachother,orotherequipment,withouttheneedforvertical separation.Careshould
howeverbetaken when mountingframesdirectlyaboveotherequipmenttoensurethat
theyarenotsubjectedtoexcessiveheatfromthatequipment,andthatcoolingventsin
equipment directlyaboveorbelowthemarenotobstructed.
It isthereforeessentialduringtheinstallationprocess toobservethefollowing points:
•Do notobstruct the ventsontheunittoallowcoolingtotakeplace,allowatleast
40mm freespaceoneachsideoftheframe
•Ensurethat boththe fansand ventshaveaccess totheambienttemperature
roomair
•Do notobstructcooling ventsinequipment directlyaboveorbelowtheframe.
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axis
Axishorizontalcross ventilation
2.3 Powersupplies
Axisframesarefittedwithasingle, auto-sensing,powersupplyunitandwilloperatefrom
mainsvoltagesbetween 100and230Vac,withfrequenciesof 47 to63Hz. ThesePSU’s
automaticallyadapttothe suppliedmains(line)input voltage,thereforeno useradjustment
ofthePSUisrequired
Themains(line)inputtoeachAxisunitshouldbe connectedviathe IECconnectorfittedon
therearoftheframeat the lefthandside. Foradditionalsafety,theIECconnectorisfitted
withan integrated fuseholder.
SLAVEBUS
VID REF LEVEL CONTROL
1
2
0
8
3
4
5
6
7
9
A
B
C
D
E
F
1
2
0
8
3
4
5
6
7
9
A
B
C
D
E
F
SLAVEBUS
VID REF LEVEL CONTROL
1
2
0
8
3
4
5
6
7
9
A
B
C
D
E
F
1
2
0
8
3
4
5
6
7
9
A
B
C
D
E
F