LV switch IPPBX3000, User Manual

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LvSwitch IPPBX 3000 Manual
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4 White and green 1
5 Green 2
2.8.3.2 Straight line
Straight line is generally used to connect with the superior equipment. If the E1 interface of the superior
equipment is also the interface of RJ45, the straight line is adopted. The specific wiring relationship of the
direct line E1 is shown in the following table:
Table 2-4 Straight line
A end Cable chromatography B end
1 White and orange 1
2 Orange 2
4 White and green 4
5 Green 5
When the E1 interface of the opposite device uses BNC connector,an RJ45 to BNC interface converter needs to
be added.The equipment and the interface converter connects with cross wire and straight wire,while the opposite
end device and the interface converter are connected by 75 euro coaxial cable.

note
：
when the E1 link fails, first try to adjust the two 75-ohm coaxial cables connected to the converter to
see if E1 can be turned on.
2.9 The installation caution
In the process of installation and operation of the equipment, the following safety recommendations are put
forward
：

Avoid shaking. Recommend use of standard cabinet;

Please place the equipment far away from the damp area and away from the heat source;

Please confirm the correct grounding of the equipment;

Please install the anti-static wrist during the installation & maintenance of the equipment, and ensure
that the anti-static wrist is in good contact with the skin;

Please do not plug in the device's interface boards and modules.

Please correctly connect the interface cable of the device, especially do not connect the telephone line to
the serial port;

It is recommended that users use UPS (Power Supply, uninterrupted Power Supply).