User's Manual

Table Of Contents

• Electrical Grounding

Ground cable used for transmitting the current from site circuit or devices belongs to Electrical

Grounding. It includes the AC or DC power supply used for site power device, and lines or cables

for connecting site alarm or sensor.

• RF Grounding

This type involves the grounding of useless RF energy. One example of RF Grounding is to use shielding

object to avoid or minimize the harmful RF energy from communication devices and cables.

The device must be installed in places which are easily accessible.

• Lightning Protection Grounding

Providing adequate lightning protection is vital for ensuring a safe and reliable communication

site. RF cable, and AC or DC power cables must be protected in case of the lightning strikes when

lightning enters the site.

Even though the contents covered in site grounding technology and lightning protection are

not in the range of this manual, several excellent industrial power supplies complied with the

requirements of grounding and lightning protection exist in communication site.

• Device Grounding

The repeater is equipped with ground screw which is on the rear of the power supply module and

used for connecting the repeater to the site ground. Correct grounding and lightning protection

should be made for all antenna cable, AC and DC power cables, to accord with the rules and

requirements above. If not, permanent damages to the radio equipments may be caused.

Mechanical Installation

This section introduces mechanical installation steps of HQT repeater. Various mounting methods

vary depending on different types of rack or cabinet selected for fixing the repeater.

Mounting the Repeater in a Rack or Cabinet

The repeater is shipped in a box; it must be moved to a rack or cabinet from the packing container

once arrived.

Note: The rack or cabinet must have guide rails and hole spacing, with EIA 48.3 cm (19 inch)

configuration.

The cabinet must have adequate ventilation and comply with the minimum standards listed below:

- Depth: 41.3 cm (16.25 inch)

- Width: 48.3 cm (19 inch)

- Height: 13.4 cm (5.25 inch)

- The two installation rails are 5 cm (2 inch) away from the front of the cabinet, and front installation

hole spacing is 2.25 inch (from center to center).

For more information about mounting the equipment in a cabinet, please contact the Technical

Support Department of Shenzhen HQT Science & Technology Co., Ltd.