A weather resistant (IP55) plastic box fitted with four cable glands.
A power supply for the MIC1- 440 camera.
A second isolated power supply for driving various option cards. E.g. Washer drive card, 8-
channel alarm input card (which includes the washer drive circuit).
Screw termination of all cables into and out of the box.
Correct video termination for the camera coaxial cable.
Earth isolation and termination within the unit to correctly control Video earthing and thus
prevent Earth loop.
For installation in hazardous areas the following terminal boxes can be used.
Product No Exd 703/240D for 240v AC input.
Exd 703/115D for 115v AC input.
Exd 702/24D for 24v AC input.
Exd 702/12D for 12v or 24v DC input for battery operation.
An Exd IIC or Exd IIB T6 ATEX approved junction box fitted with four cable glands
containing:
One of the above power supply units for the MIC1- 440 camera.
A second isolated power supply for driving various option cards. E.g. Washer drive card, 8-
channel alarm input card (which includes the washer drive circuit).
Screw termination of all cables into and out of the box.
Correct video termination for the camera coaxial cable.
Earth isolation and termination within the unit to correctly control Video earthing and thus
prevent Earth loop.
The terminal box schematic is shown in figure 6.
Connection between the camera and the terminal box.
Via the composite cable is as per the table below:
MIC1- 440 base
connector pin
Numbers.
MIC1- 440
Composite cable
Wire colour
Function Terminal
Box
Connector
Terminal
box ID
marking.
L Red AC supply HD3-1 15v AC
M Green AC supply return HD3-2 15v AC
K White Rx B HD3-3 RXB
J Yellow Rx A HD3-4 RXA
B Drain Wire Gnd HD3-5 GND
G Blue Tx A HD3-6 TXA
H Violet Tx B HD3-7 TXB
A Coax Core Video HD3-8 VIDEO
B Coax Screen Video Return HD3-9 GND
C Black Tamper Switch HD3-10 Tamp Sw
F Orange Wash HD3-11 Wash
D Brown 0v rtn Tamp Sw HD6-1 0v
E Grey 0v rtn Wash HD6-2 0v
MIC1-440 Instruction Manual Page 9 of 43 Issue 2
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