
19
Connection
Caution:
• ONLY CONNECT 12 V DC CLASS 2 POWER SUPPLY (UL 1310/CSA 223) or LIMITED
POWER SOURCE (IEC/EN/UL/CSA 60950-1).
• A READILY ACCESSIBLE DISCONNECT DEVICE SHALL BE INCORPORATED TO THE
EQUIPMENT POWERED BY 12 V DC POWER SUPPLY.
Before starting the connection, turn off the power of the unit and the devices to be connected.
Check and prepare the required devices and cables for connection.
z Connect the BNC coaxial cable to the video input connector on the unit.
Connected to cameras
or other devices
IMPORTANT:
•ThemaximumBNCcoaxialcablelengthis500m{1640feet}whenusinga5C-2Vcable
and 400 m {1312 feet} when using RG-59/U, BELDEN 9259 or equivalent.
x Connect a twisted-pair cable to the RS485 port.
When connecting an external device, remove 9 mm - 10 mm
{11/32 inches - 13/32 inches} of the outer jacket of the cable
and twist the cable core to prevent the short circuit first.
Specification of cable (wire):
22 AWG - 28 AWG, Single core, twisted
*Checkwhetherthestrippedpartofthewireisnotexposed
and is securely connected.
Receive
Transmit Receive
Connected device
Twisted-pair cable
Twisted-pair cable
Transmit
WJ-GXE100
TB
TA
RB
RA
RB
RA
TB
TA
9 mm - 10 mm
{11/32 inches -
13/32 inches}
Receive
TB TARB RA
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