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4.0 System Limits
4.1 MMX System Limits
Unless otherwise noted, these limits apply to software and firmware version 12.
Table 1 MMX System Limits
Device Maximum number
1Nodes 63
2CPUs 12 per node: 1 on the main board + 4 local per node (quad loop adders)
+ 7 remote per node (annunciators)
128 CPUs in total per system
Note: The audio controllers do not count towards the node limit, but they
do count towards the system limit.
Note: The Configurator treats LED annunciators as having CPUs.
3 Remote Annunciators 4 LCD annunciators per node or 4 LED annunciators per node
A maximum of 7 annunciators in total per node (for example, 3 LCD
annunciators and 4 LED annunciators)
50 annunciators per system
4 Quad Loop Adders 4 per node
5 Built-in Conventional
Loops
2 per node
128 per system
6 Addressable Loops 17 per node (4 quad loop adders with 4 loops each + 1 built-in loop)
7 Addressable Sensors 159 per loop
8 Addressable Input/
Output Modules
159 per loop
9 Audio Controllers 1 per node
10 Amplifiers 2 adder bins per node
18 60-Watt amplifiers per node
or
36 30-Watt amplifiers per node
or
72 15-Watt amplifiers per node
11 Zone Switches 250 per system
12 Page Select Switches 504 per system
13 Telephone Select
Switches
504 per system
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