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Units Supported by the DIS-CCU
The following tables provide estimates to the number of conference units powered by the CCU without additional
equipment. All units in a system should be tested after installation to ensure that enough power is supplied to each unit.
When using multiple chain outputs, arrange the same number of conference units on each chain..
Note: Maximum cable length in one chain is 200 m before requiring a repeater unit.
DC 6190 P, DM 6680 P Conference Units
1 m Spacing Between Microphone Units
Cable Length Maximum Number of Microphone Units
CCU to the first unit Total One Chain Two Chains
10 m 51 m 42 46
30 m 67 m 38 44
50 m 83 m 34 42
100 m 122 m 23 38
150 m 165 m 16 30
2 m Spacing Between Microphone Units
Cable Length Maximum Number of Microphone Units
CCU to the first unit Total One Chain Two Chains
10 m 88 m 40 46
30 m 98 m 35 44
50 m 108 m 30 40
100 m 140 m 21 34
150 m 178 m 15 28
DC 6990 P Conference Units
1 m Spacing Between Microphone Units
Cable Length Maximum Number of Microphone Units
CCU to the first unit Total One Chain Two Chains
10 m 35 m 26 30
30 m 53 m 24 28
50 m 70 m 21 26
100 m 112 m 13 22
150 m 158 m 9 18
2 m Spacing Between Microphone Units
Cable Length Maximum Number of Microphone Units
CCU to the first unit Total One Chain Two Chains
10 m 58 m 25 28
30 m 72 m 22 26
50 m 86 m 19 24
100 m 124 m 13 20
150 m 166 m 9 16
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