User's Manual

SCL Serial Clock
SDA Serial Data
SISO Single Input Single Output
SPD Switching Point Detector
SRMU Subrack Master Unit = OTRx (Optical Transceiver)
TCH Traffic Channel
TDD Time-Division Duplex
TDMA Time Division Multiple Access
TX Transmitter
UL Uplink
UMR Universal Measurement Receiver
UMTS Universal Mobile Telecommunication System
UPS Uninterruptible Power Supply
VSWR Voltage Standing Wave Ratio
WDM Wavelength Division Multiplex
WiMAX Worldwide Interoperability for Microwave Access
1.2. HEALTH AND SAFETY WARNINGS
1. Only suitably qualified personnel is allowed to work on this unit and only after
becoming familiar with all safety notices, installation, operation and maintenance
procedures contained in this manual.
2. Read and obey all the warning labels attached to the unit. Make sure that the
warning labels are kept in a legible condition and replace any missing or
damaged labels.
3. Obey all general and regional installation and safety regulations relating to work
on high voltage installations, as well as regulations covering correct use of tools
and personal protective equipment.
4. Keep operating instructions within easy reach and make them available to all
users.
5. It is the responsibility of the network provider to implement prevention measures
to avoid health hazards which may be associated to radiation from the antenna(s)
connected to the unit.
6. For US and Canadian installations: To comply with FCC RF exposure compliance
requirements, the following antenna installation and device operating
configurations must be satisfied: A separation distance of at least 4 m must be
maintained between the antenna of this device and all persons. RF exposure
compliance may need to be addressed at the time of licensing, as required by the
responsible FCC Bureau(s), including antenna co-location requirements of
1.1307(b)(3). Maximum permissible antenna gain is 17 dBi.