RS-422 SINGLE-POSITION JUNCTION BOX (J-BOX)
8000-2573-20, REV. H
INSTALLATION GUIDE
2 of 10
RS-422 Single-Position
J-Box Specifications
REG ID: SV JBOX1
Product Codes
RJ856UD ..............................120V with North American
line cord
RJ856UD-1 ...........................230V with Continental
European line cord
Transformer primary jumpers and mains line cord are
field changeable to support either 120Vac or 230Vac
Electrical
Power source ........................100–120Vac or 200–
240Vac. 50/60Hz
Fuse......................................3.15A type IEC127,
sheet III
Max. operational limits ..........90–135Vac or 180–
265Vac, 50/60Hz
Input current..........................1.0A/.5A
Output ...................................26Vac, 2.4A max.
Class 2 LPS
Power line protection ............Gas Discharge tube
impulse rated at 8/20µs
impulse discharge current:
10kA
Operational
Diagnostic LEDs ...................Push button controlled
data in / data out
Power....................................On/Off switch
Compatible with ....................SpeedDome Ultra outdoor
housing
Mechanical
Environment..........................Indoor / Outdoor
Wall mounting options...........concrete, wood, sheet rock
Dimensions (H x W x D)........200 x 200 x 132mm
(7.87 x 7.87 x 5.19 in.)
Mounting area (H x W)..........281 x 200mm
(11 x 8 in.)
Weight:..................................3.7 kg (8.25 lbs)
Construction..........................Polycarbonate, non-
metallic enclosure
Color .....................................Light gray
Cover locks ...........................2 quick-release latches
Cable access ........................3 ½-inch NPT strain relief
fittings provided for power,
host, and dome cables.
RS-422 Communication Interface
Cable distance:
J-box to J-box ..................1km (3000ft)
Host to J-box....................1km (3000ft)
J-box to camera dome .....Limited by the length of the
low-voltage ac power
cable. See Table 1 on
page 6.
Cable type .............................2 shielded twisted pair,
22AWG, polarized
Surge protection....................TVS impulse rated at
1500W, 100A, 10/1000µs
Connectors:
Host .................................Spring-loaded
Aux ..................................Spring loaded
Dome ...............................Euro-style terminal
Environmental
Weatherproof standard .........NEMA 4 / IP66
Operating temperature ..........–40°C to 50°C
(–40°F to 122°F)
Storage temperature .............–10°C to 50°C
(14°F to 122°F)
Relative humidity...................0 to 95% non-condensing
Regulatory
EMC ......................................47 CFR, Part 15, Class A
EN55022, Class B
Immunity................................EN50082-1
Safety....................................UL1950
CSA 22.2, No. 950
EN60950
See additional declarations on last page.
