29
Daisy-chain connection
ATUC-50DU
ATLK-EXT165
L1
L2
L2
L2
L1
L3
L2
L2
ATUC-50CU
NOTICE
• For a 50CU-50DU-50DU-…50DU-EXT connection, the distance between the [50DU-EXT] is L1.
• When it is EXT-50DU-…-50DU-50DU-, the distance for [EXT-50DU] is L3.
Relationship of the LAN cable length, number of units connected and number of EXTs required: Daisy-chain
connection
Length of cables
1-port daisy-chain connection
(using DUs)
1-port daisy-chain connection
(using IUs)
50CU-
50DU
50DU-
50DU
EXT-50DU
Number of 50DUs
connected
Number of EXTs
needed
Number of IUs
connected
Number of EXTs
needed
L1
L2
L3
10 m
1.5 m
10 m
1 to 45 units
0 units
1 to 30 units
0 units
46 to 50 units
1 unit
31 to 45 units
1 unit
50 m
1.5 m
10 m
1 to 36 units
0 units
1 to 24 units
0 units
37 to 50 units
1 unit
25 to 39 units
1 unit
100 m
1.5 m
10 m
1 to 24 units
0 units
1 to 16 units
0 units
25 to 50 units
1 unit
17 to 33 units
1 unit
10 m
2.0 m
10 m
1 to 29 units
0 units
1 to 27 units
0 units
44 to 50 units
1 unit
28 to 43 units
1 unit
50 m
2.0 m
10 m
1 to 34 units
0 units
1 to 23 units
0 units
35 to 50 units
1 unit
24 to 37 units
1 unit
100 m
2.0 m
10 m
1 to 24 units
0 units
1 to 16 units
0 units
25 to 50 units
1 unit
17 to 33 units
1 unit
10 m
5.0 m
10 m
1 to 33 units
0 units
1 to 25 units
0 units
34 to 50 units
1 unit
26 to 39 units
1 unit
50 m
5.0 m
10 m
1 to 27 units
0 units
1 to 20 units
0 units
28 to 50 units
1 unit
21 to 34 units
1 unit
100 m
5.0 m
10 m
1 to 20 units
0 units
1 to 14 units
0 units
21 to 48 units
1 unit
15 to 30 units
1 unit