Length of cables
Connection
50CU-
50DU-
EXT-
ports
50DU
50DU
50DU
L1
L2
L3
A/B
C/D
10 m
1.5 m
10 m
A/B
C/D
A/B
C/D
50 m
1.5 m
10 m
A/B
C/D
A/B
C/D
100 m
1.5 m
10 m
A/B
C/D
A/B
C/D
10 m
2.0 m
10 m
A/B
C/D
A/B
C/D
50 m
2.0 m
10 m
A/B
C/D
A/B
C/D
100 m
2.0 m
10 m
A/B
C/D
4-port daisy-chain connection
(using 50DUs)
Maximum
Number of
Number
number
50DUs
of EXTs
of units
connected
needed
connected
1 to 15
0 units
× 2 units
(total
50 units)
1 to 10
0 units
× 2 units
16 to 30
2 units
× 2 units
(total
100 units)
11 to 20
2 units
× 2 units
1 to 15
0 units
× 2 units
(total
50 units)
1 to 10
0 units
× 2 units
16 to 30
2 units
× 2 units
(total
100 units)
11 to 20
2 units
× 2 units
1 to 14
0 units
× 2 units
(total
48 units)
1 to 10
0 units
× 2 units
15 to 30
2 units
× 2 units
(total
100 units)
11 to 20
2 units
× 2 units
1 to 15
0 units
× 2 units
(total
50 units)
1 to 10
0 units
× 2 units
16 to 30
2 units
× 2 units
(total
100 units)
11 to 20
2 units
× 2 units
1 to 15
0 units
× 2 units
(total
50 units)
1 to 10
0 units
× 2 units
16 to 30
2 units
× 2 units
(total
100 units)
11 to 20
2 units
× 2 units
1 to 14
0 units
× 2 units
(total
48 units)
1 to 10
0 units
× 2 units
15 to 30
2 units
× 2 units
(total
100 units)
11 to 20
2 units
× 2 units
4-port daisy-chain connection
(using IUs)
Maximum
Number of
Number
number
IUs
of EXTs
of units
connected
needed
connected
1 to 10
0 units
× 2 units
(total
32 units)
1 to 6
0 units
× 2 units
11 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 9
0 units
× 2 units
(total
30 units)
1 to 6
0 units
× 2 units
10 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 8
0 units
× 2 units
(total
28 units)
1 to 6
0 units
× 2 units
9 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 10
0 units
× 2 units
(total
32 units)
1 to 6
0 units
× 2 units
11 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 9
0 units
× 2 units
(total
30 units)
1 to 6
0 units
× 2 units
10 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 8
0 units
× 2 units
(total
28 units)
1 to 6
0 units
× 2 units
9 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
32
4-port daisy-chain connection
(using 50DUa + VUs)
Number of
Maximum
Number
50DUa
number of
of EXTs
+ VUs
units
needed
connected
connected
1 to 12
0 units
× 2 units
(total
36 units)
1 to 6
0 units
× 2 units
13 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 12
0 units
× 2 units
(total
34 units)
1 to 5
0 units
× 2 units
13 to 30
2 units
× 2 units
(total
100 units)
6 to 20
2 units
× 2 units
1 to 10
0 units
× 2 units
(total
30 units)
1 to 5
0 units
× 2 units
11 to 30
2 units
× 2 units
(total
100 units)
6 to 20
2 units
× 2 units
1 to 12
0 units
× 2 units
(total
36 units)
1 to 6
0 units
× 2 units
13 to 30
2 units
× 2 units
(total
100 units)
7 to 20
2 units
× 2 units
1 to 12
0 units
× 2 units
(total
34 units)
1 to 5
0 units
× 2 units
13 to 30
2 units
× 2 units
(total
100 units)
6 to 20
2 units
× 2 units
1 to 10
0 units
× 2 units
(total
30 units)
1 to 5
0 units
× 2 units
11 to 30
2 units
× 2 units
(total
100 units)
6 to 20
2 units
× 2 units