EXAMPLE: An enclosure that requires 80 vA and is installed 35 feet (10 m) from the trans- former would require a minimum wire gauge of 20 AWG.
NOTE: Distances are calculated in feet; values in parentheses are meters.
9.Adjust the glands for a tight fit around the cables.
10.Adjust the camera focus and iris if necessary. If you need to adjust the focus and iris manu- ally, remove the front cover, adjust the focus and iris, and replace the front cover.
11.Adjust the pan and tilt of the mount, if applicable.
Table A. Video Coaxial Cable Wiring Distances
Cable Type* | Maximum Distance |
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RG59/U | 750 ft (229 m) |
RG6/U | 1,000 ft (305 m) |
RG11/U | 1,500 ft (457 m) |
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*Minimum cable requirements: 75 ohms impedance
Table B. 24 VAC Wiring Distances
The following are the recommended maximum distances for 24 VAC applications and are calcu- lated with a
Wire Gauge
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| 20 | 18 | 16 | 14 | 12 | 10 |
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| 10 | 283 | (86) | 451 (137) | 716 (218) | 1,142 (348) | 1,811 (551) | 2,880 (877) |
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| 20 | 141 | (42) | 225 | (68) | 358 | (109) | 571 (174) | 905 (275) | 1,440 (438) |
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| 30 | 94 (28) | 150 | (45) | 238 (72) | 380 | (115) | 603 | (183) | 960 (292) | load | |||
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| 40 | 70 (21) | 112 | (34) | 179 (54) | 285 (86) | 452 | (137) | 720 (219) | |||||
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| to | |
| 50 | 56 (17) | 90 (27) | 143 (43) | 228 (69) | 362 | (110) | 576 (175) | ||||||
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consumedvATotal |
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60 | 47 (14) | 75 (22) | 119 (36) | 190 (57) | 301 (91) | 480 (146) | ||||||||
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| 70 | 40 (12) | 64 (19) | 102 (31) | 163 (49) | 258 (78) | 411 (125) |
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| 80 | 35 (10) | 56 (17) | 89 | (27) | 142 (43) | 226 (68) | 360 (109) |
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| 90 | 31 | (9) | 50 (15) | 79 | (24) | 126 (38) | 201 (61) | 320 (97) |
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| 100 | 28 | (8) | 45 (13) | 71 | (21) | 114 (34) | 181 (55) | 288 (87) |
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| 110 | 25 | (7) | 41 (12) | 65 | (19) | 103 (31) | 164 (49) | 261 (79) |
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| 120 | 23 | (7) | 37 (11) | 59 | (17) | 95 | (28) | 150 (45) | 240 (73) |
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| 130 | 21 | (6) | 34 (10) | 55 | (16) | 87 | (26) | 139 (42) | 221 (67) |
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| 140 | 20 | (6) | 32 | (9) | 51 | (15) | 81 | (24) | 129 (39) | 205 (62) | Maximum | ||
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| 170 | 16 | (4) | 26 | (7) | 42 | (12) | 67 | (20) | 106 (32) | 169 (51) | |||
| 150 | 18 | (5) | 30 | (9) | 47 | (14) | 76 | (23) | 120 (36) | 192 (58) |
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| 160 | 17 | (5) | 28 | (8) | 44 | (13) | 71 | (21) | 113 (34) | 180 (54) |
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| 180 | 15 | (4) | 25 | (7) | 39 | (11) | 63 | (19) | 100 (30) | 160 (48) |
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| 190 | 14 | (4) | 23 | (7) | 37 | (11) | 60 | (18) | 95 | (28) | 151 (46) |
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| 200 | 14 | (4) | 22 | (6) | 35 | (10) | 57 | (17) | 90 | (27) | 144 (43) |
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MAINTENANCE
Regularly scheduled maintenance prolongs the operational life and appearance of the equipment.
Clean the window regularly with a mild, nonabrasive detergent in water and a soft cloth to main- tain picture clarity.
Service Manual
If you need to repair the camera enclosure, obtain a service manual in one of the following ways:
•Go to Pelco’s web site at ftp://www.pelco.com and find service manual C413SM.
•Call Pelco’s DataFax service at
•Contact Pelco’s Literature Department and request service manual C413SM.
