Power Supply; Grounding; Electromagnetic Environment; Other Facilities - Tadiran Telecom TGW1E1-2G User Configuration Manual

TGWxE1-2G PRI (ISDN) Trunk
Gateways Series for Aeonix
To ensure adequate ventilation to keep the gateway from overheating, there should be adequate clearance
for the air intake and the air exhaust vents. Keep at least 6 cm clearance at the left and right side of the
chassis where the air intake is and at least 15 cm clearance at the rear of the chassis where the exhaust
vents are located.
The rack for the TGWxE1-2G should have a good ventilation system.

2.2.3 Power Supply

Check the power supply system against the electrical specification of the gateway.

2.2.4 Grounding

To maintain good voice quality, proper grounding of the AC supply is critical to minimize the noise from
AC interference. Therefore, the following conditions must be ensured:
The AC power outlet has a protection ground contact.
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The ground contact of the AC supply must be grounded properly.

Avoid sharing the multi-outlet power strip with other devices that may generate electrical interference.

TGWxE1-2G is chassis based with ground tab.
In a site that can provide ground for the chassis, the ground tab at the rear panel of the chassis for the
TGWxE1-2G must be properly grounded.

2.2.5 Electromagnetic Environment

Any possible interference source, wherever it is from, impacts the gateway negatively. To resist the
interference, make sure that:
Keep the TGW gateway far from radio transimitting stations, radar stations, and high-frequency

devices. Use electromagnetic shielding when necessary.
The TGW gateway is capable for secondary lightning protection on wires and cables that connected to

outside buildings. The site must provide the primary lightning protection.
The power supply system should be used independently as much as possible and effective measures of

preventing electric grid from interference should be adopted.
Ensure a good power grounding effect of equipment or add a lightning protector.


2.2.6 Other Facilities

Rack/Workbench – the TGWxE1-2G is designed to be installed in a standard 19-inch rack, which

should provide adequate air-flow to cool down the TGW gateway, and should be firm enough to
support the weight of the gateway. It is also recommended that the rack is earth grounded properly.
PSTN Line - If the gateway is equipped with a T1/E1 interface, be sure to subscribe PSTN lines from

the local telephone company and activate the lines prior to the installation.
IP Network - The gateway is connected to the IP network through its 10/100/1000 base-T Ethernet

port and communicate with other equipment is through the network. Inspect the IP network at the site,
including router, switch, cable wiring, etc., and make sure they are ready for the gateway.
AC Power Outlets - The gateway needs an AC power supply, and sometimes the power is provided

through a power strip with an extension cord. Verify that each socket outlet on the power strip is
equipped with a protective earth contact and the protective action is not negated by using an extension
power cord.
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User Configuration Manual