
Ningbo Joiwo Explosionproof Science & Technology Co., Ltd.
No. 8 Middle Road Guoxiang Bridge Lanjiang Street Yuyao Zhejiang China
5.2 Installation and Wiring:
5.2.1. Signal line connection: The RJ11 crystal plug has been suppressed when the telephone line leaves the
factory. You can use the adapter to connect in the junction box, or cut off the crystal plug and connect it directly
in the junction box with the system telephone line through the terminal. Note, use it when connecting There are
two wires in the middle of the telephone line, and the two wires on both sides are not connected to the phone.
Do not connect them wrongly to prevent the phone from not working.
5.2.2 Power cord connection: The power cord uses RVVP3*1.0 cable, among which the black or yellow wire
is the ground wire, which must be effectively grounded during installation, and the brown-blue is the zero live
wire, which is connected to the AC220V AC power supply through the terminal block in the waterproof junction
box. Note When wiring, no copper wire should be exposed, and the terminal screw must be locked tightly and
not locked to the insulated wire.
6. Transportation and storage requirements
6.1 During transportation, the product is not allowed to be subjected to severe mechanical shock or direct
sunlight and rain, to prevent falling, collision, and heavy pressure.
6.2 The product should be stored in a dry, clean, well-ventilated environment at ambient temperature (0-40 °
C), in a non-corrosive medium warehouse, away from fire and heat sources.
7. Unpacking and inspection
7.1 Check that the instruction manual, product certificate, product warranty card and accessories in the box
are complete.
7.2 The appearance of the product shall be checked and the marking shall be complete.
8. Attention
8.1 Please read this manual before use to understand the product performance and use methods, so as to
avoid accidents and damage to the product due to mis-operation.
8.2 The product should be checked carefully before use to ensure that it is installed and used without damage
by external forces.
8.3 The product should be stored in a cool, clean and dry environment.
8.4 During the construction process, the operation must be strictly in accordance with the product wiring
requirements, strong and weak current separate the wiring to avoid affecting product performance, which may
make the product work unstable and call sound quality,Unpredictable factors such as reduced product service
life.
8.5 Install and use shielded telephone lines in places with high electromagnetic interference, and connect
them effectively surface