35
10 m 1.5 m 10 m
1 to 25
×2units
(total
50units)
0units
1 to 16
×2units
(total
32units)
0units
1 to 18
×2units
(total
36units)
0units
26 to 50
×2units
(total
100units)
4units
17 to 40
×2units
(total
80units)
4units
19 to 45
×2units
(total
90units)
4units
50 m 1.5 m 10 m
1 to 23
×2units
(total
46units)
0units
1 to 15
×2units
(total
30units)
0units
1 to 16
×2units
(total
32units)
0units
24 to 50
×2units
(total
100units)
4units
16 to 38
×2units
(total
76units)
4units
17 to 43
×2units
(total
86units)
4units
100 m 1.5 m 10 m
1 to 20
×2units
(total
40units)
0units
1 to 13
×2units
(total
26units)
0units
1 to 14
×2units
(total
28units)
0units
21 to 50
×2units
(total
100units)
4units
14 to 38
×2units
(total
76units)
4units
15 to 41
×2units
(total
82units)
4units
10 m 2.0 m 10 m
1 to 25
×2units
(total
50units)
0units
1 to 16
×2units
(total
32units)
0units
1 to 18
×2units
(total
36units)
0units
26 to 50
×2units
(total
100units)
4units
17 to 40
×2units
(total
80units)
4units
19 to 44
×2units
(total
88units)
4units
50 m 2.0 m 10 m
1 to 23
×2units
(total
46units)
0units
1 to 15
×2units
(total
30units)
0units
1 to 16
×2units
(total
32units)
0units
24 to 50
×2units
(total
100units)
4units
16 to 38
×2units
(total
76units)
4units
17 to 42
×2units
(total
84units)
4units
100 m 2.0 m 10 m
1 to 20
×2units
(total
40units)
0units
1 to 12
×2units
(total
24units)
0units
1 to 14
×2units
(total
28units)
0units
21 to 50
×2units
(total
100units)
4units
13 to 38
×2units
(total
76units)
4units
15 to 40
×2units
(total
80units)
4units
10 m 5.0 m 10 m
1 to 24
×2units
(total
48units)
0units
1 to 16
×2units
(total
32units)
0units
1 to 17
×2units
(total
34units)
0units
25 to 50
×2units
(total
100units)
4units
17 to 39
×2units
(total
78units)
4units
18 to 43
×2units
(total
86units)
4units
50 m 5.0 m 10 m
1 to 22
×2units
(total
44units)
0units
1 to 14
×2units
(total
28units)
0units
1 to 15
×2units
(total
30units)
0units
23 to 50
×2units
(total
100units)
4units
15 to 37
×2units
(total
74units)
4units
16 to 41
×2units
(total
82units)
4units
100 m 5.0 m 10 m
1 to 19
×2units
(total
38units)
0units
1 to 12
×2units.
(total
24units)
0units
1 to 13
×2units
(total
26units)
0units
20 to 50
×2units
(total
100units)
4units
13 to 35
×2units
(total
70units)
4units
14 to 39
×2units
(total
78units)
4units
The values in the tables above are calculated based on the following assumptions.
• The number of 50DUs that can be connected is based on the assumption that the ATUC-M is used.
• The number of IUs that can be connected is based on the assumption that ATUC-M, TALK LED, FLOOR LED, 8-Ω speaker units, 32-Ω
impedance headphones, and GPO terminals with LED x 4 (7 mA each) are being used.
• Given that Cat5e or higher cables are used. (Shielded cables with conductor size of 24AWG or higher in diameter)
• 1-port daisy-chain connection/1 ring connection: Given that one of the DU CHAIN A/B terminals is connected in a 50DU/IU daisy chain
or that the A-B terminal is connected in a ring.
• 2-port daisy-chain connection: Given that the same number of 50DUs/IUs are daisy-chained to the DU CHAIN A/B terminals.
• 4-port daisy-chain connection: Given that the same number of 50DUs/IUs are daisy-chained to both the DU CHAIN A/B terminals and
the same number of DUs/IUs are daisy-chained to the DU CHAIN C/D terminals.
• 2-ring connections: Given that one ring connection is used for the DU CHAIN A-B terminals and for the DU CHAIN C-D terminals.
• “Number of 50DUa + VUs connected” is when using NFC.