VAR8 and Variants Operation, Commissioning, Fault Finding, and Maintenance Guide
sue: 02 complete, approved
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Is
Page 28 of 166
8.1.1.1 System Parameters
• Number of Slave Units: up to 30 units (120 network zones)
• Maximum distance between nodes: 1 km
• Network Control Response Time (Fire Alarm trigger to DVA initiation): <1 second
8.1.1.2 Main Network Features
• Slave Units: Intellevac Distributed Amplifier Units (4x4 DAU or 8x8 DAU) or VAR8 Routers fitted with an
ANIC Network Interface Card.
• 8x8 DAUs and VAR8 Units are 4x4 from the perspective of the network. The remaining 4 outputs may be
locally used but are not addressable across the network.
• Slave-IDs must correspond to the Slave Unit’s physical position in the network.
• All Slave Unit Outputs are Network Outputs.
• Network Outputs are contiguous and numbered in order of Slave Ids and Slave Outputs.
Figure 3 4x4 ACU Network Topology
For local use
For local useFor local use
Slave-ID
9
Slave-ID
1
Slave-ID
2
Slave-ID
3
Slave-ID
6
Slave-ID
4
Slave-ID
5
Slave-ID
8
Slave-ID
7
4x4
Audio Control Unit
UPSTREAM
UPSTREAM
UPSTREAM
UPSTREAM
UPSTREAM
UPSTREAM
UPSTREAM UPSTREAM
UPSTREAM
UPSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
Network O/P 12
Network O/P 11
Network O/P 10
Network O/P 09
Network O/P 08
Network O/P 07
Network O/P 06
Network O/P 05
Network O/P 04
Network O/P 03
Network O/P 02
Network O/P 01
Network O/P 24
Network O/P 23
Network O/P 22
Network O/P 21
Network O/P 20
Network O/P 19
Network O/P 18
Network O/P 17
Network O/P 16
Network O/P 15
Network O/P 14
Network O/P 13
Network O/P 28
Network O/P 27
Network O/P 26
Network O/P 25
8x8 DAU
4x4 DAU
4x4 DAU
4x4 DAU
4x4 DAU
8x8 DAU
4x4 DAU
4x4 DAU
VAR8
Network O/P 32
Network O/P 31
Network O/P 30
Network O/P 29
Network O/P 36
Network O/P 35
Network O/P 34
Network O/P 33
4
3
2
1
4
3
2
1
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
4
3
2
1
4
3
2
1
8
7
6
5
4
3
2
1
4
3
2
1
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