American Dynamics RAS918LSP Specifications download pdf (Page 7)

SPEEDDOME ULTRA VII EIS DAY/NIGHT CAMERA DOME 8200-0184-14, REV. A

INSTALLATION AND SERVICE GUIDE

7 of 37

Cable Requirements

Data Cable

The table below shows requirements for

SensorNet, RS-422, and Manchester networks. For

more information about communication protocols

and cable networks, see Communication Protocols

and Cable Networks, 8000-2573-19.

Data cable requirements

SensorNet RS-422 Manchester

Cable type 1

unshielded,

twisted

pair*

shielded,

twisted

pair*

shielded

twisted

pair**

Wire gauge 22 AWG 22 AWG 18 AWG

Connection Non-

polarized

Polarized Polarized

Max.

devices on

line

32 10 3

* Power, data, and video cables can be ordered

separately or within a composite cable that can be

ordered in various lengths. Plenum-rated cables must

be used in indoor ceilings used for environmental air

return (called "other air space" in the National Electrical

Code). Order parts through your distribution network.

Note: If you order cable from an outside source, wire

colors may be different.

** Belden 88760 (plenum), or Belden 8760 cable (non-

plenum) cable is recommended. Plenum-rated cables

must be used in indoor ceilings used for environmental

air return (called "other air space" in the National

Electrical Code). Order

cable directly from Belden by

calling 1-800-235-3361.

Power Cable

For the camera dome to operate properly, line

voltage must not go below the worst-case low line

voltage shown in the following table. Make cable

lengths as short as possible to minimize affects of

low line voltages. As shown in the table, maximum

cable length depends on the Class 2 LPS (low

voltage) ac source (such as a J-box) and the worst-

case low line voltage. These lengths are for

Sensormatic composite cables, which use 18

AWG

ac power wires.

Note: Typically, distances are used that provide

a 15% margin between nominal and low line

conditions. For example, if the nominal voltage is

120Vac, restrict cable length to that associated

with 100Vac (0.85 x 120).

Worst-case ac line voltages

Indoor Dome

Worst-Case Meters

AC Power Source

Low Line V (Feet)

28 VA

117 180 (600)

Transformer

100 130 (430)

5604-0006-01

90 80 (270)

50 VA

117 180 (600)

Transformer

100 150 (500)

5604-0044-01

90 90 (300)

1-position SensorNet

117 210 (700)

RJ1SNUD

100 130 (430)

90 100 (325)

1-position SensorNet

117 210 (700)

RJ1SNUD-1

100 130 (430)

90 100 (325)

117 300 (1000)

6-position SensorNet

100 230 (750)

Indoor J-Box

90 160 (530)

RJ6SN

240 300 (1000)

200 230 (750)

180 160 (530)

10-Position RS-422

117 275 (900)

Indoor 120V/60Hz J-Box

100 200 (650)

RJ860AP

90 130 (430)

10-Position RS-422

240 275 (900)

Indoor 240V/60Hz J-Box

200 200 (650)

RJ860AP1

180 130 (430)

Universal Transformer

117 200 (650)

0300-0914-01

100 130 (430)

90 90 (300)

Universal Transformer

240 200 (650)

0300-0914-03

200 130 (430)

180 90 (300)

1 2 3 4 5 6 7 8 9 10 11 12 ... 36 37

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American Dynamics RAS918LSP Specifications Page 7

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