Interlogix MC252-1P-1CX - Manual (Page 21)

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B.2.2 Electrical Characteristics (Overall)
Nominal Characteristic Impedance: 75 ohm
Nom. Inductance: 0 .318257 µH/ft.
Nom. Capacitance Conductor to Shield: 53.4803 µF/ft.
Nominal velocity of Propagation: 83%.
Nominal Delay: 4.036 ns/ft.
Nominal Conductor DC Resistance (DCR) at 20°C: 32.81 Ω/km.
Nominal Outer Shield Conductor DC resistance (DCR) @ 20°C: 10.827 Ω/km
Nominal Attenuation:
Freq. (MHz) Attenuation (dB/100m)
1 .9843
5 2.13265
10 2.9529
50 6.2339
100 8.5306
200 11.8116
400 16.405
700 22.967
900 26.248
1000 27.8889
B.2.3 Maximum DC Resistance of RG-6/U or RG-59/UB.3.1 To have good Ethernet traffic/IP
video traffic for 12W PoE IP camera connecting to MC252-1P-1CX, the maximum nominal
conductor DC resistance of RG-6/U or RG-59/U coaxial cable as interconnection between
MC252-1T-1CXP and MC252-1P-1CX shall be less than 18 ohms.
B.2.4 High loss coaxial cables shall not use for transmitting/receiving power and Ethernet/IP
video traffic.