Installation Instruction

1.2. TFAX CASE U ELECTRICAL INSTALLATION
1.2.1. General
Read the health and safety warnings in chapter 1.3.
1. Warning: This unit contains dangerous voltages. Loss of life, severe personal injury, or
property damage can be the result if the instructions contained in this manual are not
followed.
2. Caution: It is compulsory to ground (earth) the unit before connecting the power supply. A
grounding bolt is provided on the cabinet to connect the ground-bonding cable.
3. Caution: Although the remote unit is internally protected against overvoltage, it is strongly
recommended to ground (earth) the antenna cables close to the antenna connectors of the
remote unit for protection against atmospheric discharge. In areas with strong lightning, it
is strongly recommended to install additional lightning protection.
4. Caution: If the mains connector of the remote unit is not easily accessible, a disconnect
device in the mains power circuit must be provided within easy reach.
5. Caution: Before connecting or disconnecting the mains connector at the remote unit,
ensure that mains power supply is disconnected.
6. Caution: Make sure that an appropriate circuit breaker acting as a disconnect device (as
required by IEC/EN60950-1) and an overcurrent limiting device are connected between
mains power and the Remote Unit.
7. Caution: A connection of the mains supply to a power socket requires the power socket to
be nearby the remote unit.
8. Caution: Incorrectly wired connections can destroy electrical and electronic components.
9. Caution: To avoid corrosion at the connectors caused by electrochemical processes, the
material of the cable connectors must not cause a higher potential difference than 0.6 V
(see electrochemical contact series).
10. Note: Use an appropriate torque wrench for the coupling torque of N-type connectors (2
Nm / 1.5 lb/ft), with 13/16 in opening to tighten the N-type antenna connectors. For
example, use torque wrench of item no. 244379 available from the CommScope e-catalog.
Do NOT use your hands or any other tool (e.g. a pair of pliers)! This might cause damage
to the connector and lead to a malfunction of the Remote Unit.
11. Caution: For unstabilized electric networks, which frequently generate spikes, the use of a
voltage limiting device is advised.
12. Caution: The unit complies with the surge requirement according to EN 61000-4-5 (fine
protection); however, installation of an additional medium (via local supply connection)
and/or coarse protection (external surge protection) is recommended depending on the
individual application in order to avoid damage caused by overcurrent.