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Maximum number of connections for each terminal/each CU when using 3 CU links
IRCU Primary 50CU Extension max. 2 units
System
total
Maximum number of
terminal connections in a DU
CHAIN
Maximum
number of
IR
connections
Maximum number of terminal
connections in a DU CHAIN
A B Total A B Total
50CU x 2
Total
Daisy-chain
connection
50 50 100
200
50 50 100 200 500
Ring connection
50 50 50 50 100 350
NOTICE
• Up to 6 INTs can be connected to the primary.