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防犯カメラ Dahua DH-SD22204T-GNのPDF インストレーション・マニュアルをオンラインで閲覧またはダウンロードできます。Dahua DH-SD22204T-GN 16 ページ。 2-inch network speed dome
Dahua 2-inch Network Speed Dome Installation Manual
5
APPENDIX Ⅱ12V DC WIRE GAUGE AND TRANSMISSION
DISTANCE RELATIONSHIP SHEET
The recommended max transmission distance is under the following environments: The wire
diameter is fixed and the DC 12V power voltage loss rate is below 10%. For the device of DC
power supplying, the max allowed voltage loss rate is 10%. All the wires listed in the following
sheet are copper wire. (Copper wire resistance
mm
Feet(m)
w
122.13
5
(37.23)
10
61.06(18.61)
15
40.71(12.41)
20
30.53(9.31)
25
24.43(7.45)
30
20.35(6.20)
35
17.45(5.32)
40
15.27(4.65)
45
13.57(4.14)
50
12.21(3.72)
55
11.10(3.38)
60
10.18(3.10)
65
9.39(2.86)
70
8.72(2.66)
75
8.14(2.48)
80
7.63(2.33)
85
7.18(2.19)
90
6.78(2.07)
95
6.43(1.96)
100
6.11(1.86)
0.8000
1.000
190.83(58.16)
95.41(29.08)
63.61(19.39)
47.71(14.54)
38.17(11.63)
31.80(9.69)
27.26(8.31)
23.85(7.27)
21.20(6.46)
19.08(5.82)
17.35(5.29)
15.90(4.85)
14.68(4.47)
13.63(4.15)
12.72(3.88)
11.93(3.64)
11.23(3.42)
10.60(3.23)
10.04(3.06)
9.54(2.91)
1.250
298.17(90.88)
149.08(45.44)
99.39(30.29)
74.54(22.72)
59.63(18.18)
49.69(15.15)
42.60(12.98)
37.27(11.36)
33.13(10.10)
29.82(9.09)
27.11(8.26)
24.85(7.57)
22.94(6.99)
21.30(6.49)
19.88(6.06)
18.64(5.68)
17.54(5.35)
16.56(5.05)
15.69(4.78)
14.91(4.54)
7
)
2.000
763.31
(232.66)
381.66
(116.33)
254.44(77.55)
190.83(58.16)
152.66(46.53)
127.22(38.78)
109.04(33.24)
95.41(29.08)
84.81(28.85)
76.33(23.27)
69.39(21.15)
63.61(19.39)
58.72(17.90)
54.52(16.62)
50.89(15.51)
47.71(14.54)
44.90(13.69)
42.41(12.93)
40.17(12.25)
38.17(11.63)