DIS DDS 5900 - Max. Number of Units to be Connected; CU 5905 - DC 5980 P, One Chain; CU 905 - DC 5980 P, Two Chains; CU 5905 - DC 5980 P - JB 6104, One

4.4 Max. number of units to be connected
Thefollowingtablesshowsthemaximumnumberof
units, which can be connected to a CU 5905 Central
Unit or to an EX 6010 Extension Unit or a PS 6000
.
PowerSupply 
In the tables the ‘Feeding Cable’ is defined as the
cable betweenthe CU 5905 (orEX 6010 / PS6000)
andthefirstDC5980Pandthe‘InterconnectingCable
isdefinedasthecableconnectingtwoDC5980P.
4.4.1 CU 5905 – DC 5980P, one chain
The following table showsthemaximumnumberof
units, which can be connected to a CU 5905 Central
Unitwhenusingonlyone
ofthetwo‘Chain’outputs.
Thetablealsoshowsthenumberofunits,whichcan
be connected to each ‘Chain’ output on an EX 6010
ExtensionUnit or to the‘Chain’ outputof aPS 6000
PowerSupply.
Lengthof
FeedingCable

Lengthofinter
connecting
Cable
Total
cable
length
Max.number
ofDC5980P
usingone
outputonly
10m 1m 63m 54
30m 1m 77m 48
50m 1m 91m 42
100m 1m 128m 29
10m 2m 104m 48
30m 2m 114m 43
50m 2m 122m 37
100m 2m 140m 27
Figure 4.4-A Number of units connected using only one chain
outpu on CU 5905
4.4.2 CU 5905 – DC 5980P, two chains
The following table showsthemaximumnumberof
units,whichcanbeconnectedtoboth‘Chain’outputs
simultaneously on a CU 5905 Central Unit in total
usingonlythesuppliedCU5900PowerSupply.
Ifonlyone‘Chain
’isusedtheinformationinthetable
abovemustbeused.
Lengthof
FeedingCable

Lengthofinter
connecting
cable,
Total
cable
length
Max.number
ofDC5980P
Usingboth
output
10m 1m 2x39m 2x30
30m 1m 2x58m 2x29
50m 1m 2x76m 2x27
100m 1m 2x122m 2x23
10m 2m 2x66m 2x29
30m 2m 2x84m 2x28
50m 2m 2x100m 2x26
100m 2m 2x142m 2x22
Figure 4.4-B Number of units connected using both chains
4.4.3 CU 5905 – DC 5980P – JB 6104,
one chain
This configuration shows two DC 5980P Conference
Units each connected to an output on a JB 6104
JunctionBoxwith3mcablesbetweeneachJB6104.
Generalnote:MaximumcablelengthfromaJB6104
toaDC5980Pis5mandmaximumoneDC5980Pis
allowedoneachoutputofaJB6104.
Lengthof
Feeding
Cable
Lengthof
cablebetween
eachJB6104
Total
cable
length
Number
ofJB
6104
Max.
number
ofDC
5980P
10m 3 m 76m 23 46
30m 3 m 87m 20 40
50m 3 m 92m 15 30
100m 3m 133m 12 24
Figure 4.4-C Number of units connected using JB 6104
Junction Box, using on chain on CU 5905
4.4.4 CU 5905 – DC 5980P – JB 6104,
two chains
This configuration shows two DC 5980P Conference
Units each connected to an output on a JB 6104
JunctionBoxwith3mcablesbetweeneachJB6104.
User Manual DDS 5900
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