- 12 -
Depending on the voltage being used, refer to one of the formulas below to select the correct power supply for cameras connected in parallel
(positive to positive, negative to negative):
Total current for a 12 VDC system:
TOTAL CURRENT = (350mA x total number of cameras) Example: 350mA x 5 total cameras = 1750mA
Total current for a 24 VAC system:
TOTAL CURRENT = (202mA x total number of cameras) Example: 202mA x 5 total cameras = 1010mA
NOTE:
If you're using a 12 VDC power supply and experience problems check the voltage at the camera's power input. This voltage should
not
be less than 11 VDC. If you're measuring less than 11 VDC you'll need to use a power supply with a higher current rating.
VOLTAGE CURRENT POWER
12 VDC 350mA 4.2W
24 VAC 202mA 4.8W
CABLE AND POWER GUIDELINES
This chart shows the proper current needed for power supplies for Warrior Series cameras. Use Class 2 Power only. Input voltage must be
between 12-28 VDC or 15-28 VAC
Power Supply Cable Maximum Length (feet/meters)
Total Load Power Supply 24 AWG 22 AWG 18 AWG 16 AWG
4.2W 12 VDC 55/16 88/26 223/67 355/108
4.8W 24 VAC 867/264 1380/420 3488/1063 5547/1690
NOTE:
The above table is based on a "worst-case" power supply. Using a regulated or switching power supply can increase your cable
distance. A CSA/UL listed Class 2 power supply must be used. Videolarm recommends its PS12 12 VDC 1000mA power supply for
12 VDC appl,ications
Video Cable Maximum Length (feet/meters)
Cable Type RG-59 RG-6 RG-11
Wire Gauge 23 AWG* 18 AWG* 16 AWG*
Max. Length 750/229 1500/457 1800/549
* Copper clad steel core, 95% braided shield
AWG 250/76 500/152 1000/305 1500/457 2000/610 3000/914
18 3Ω 6Ω 13Ω 19Ω 26Ω 40Ω
20 5Ω 10Ω 20Ω 30Ω 40Ω 59Ω
22 8Ω 17Ω 33Ω 48Ω 66Ω 99Ω
24 13Ω 26Ω 52Ω 78Ω 108Ω 163Ω
Maximum Length (feet/meters)
