User's Manual
Table Of Contents
- 1800MHz-1900MHz ADJUSTABLE BANDWIDTH OFF-AIR REPEATERS_91 080 0701F
- INDEX
- 1) SAFETY RULES
- 2) STANDARDS
- 3) GENERAL DESCRIPTION
- 3.1) EXAMPLE: USE IN TUNNELS
- 3.2) OPERATING PRINCIPLE - 1800MHz ADJUSTABLE BANDWIDTH OFF-AIR REPEATERS
- 3.3) ATTACHED DOCUMENTS
- TECHNICAL CHARACTERISTICS 1800MHZ
- ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- ILLUSTRATIVE 2 - Modules access points map and external access points map
- TECHNICAL CHARACTERISTICS 1900MHz
- ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- ILLUSTRATIVE 2 - Modules access points map and external access points map
- 4) INSTALLATION AND POWER-UP PROCEDURES
- ABBREVIATIONS AND ACRONYMS
- INDEX
STANDARDS Page 8
2.2) SYMBOLS
EQUIPMENT FRONT SYMBOLS
SYMBOLS DESCRIPTION SYMBOLS DESCRIPTION SYMBOLS DESCRIPTION
Earth connection Impulsive command Band-stop filter
Ground Fuse Low-pass filter
Chassis ground Thermal breaker High-pass filter
AC Failure Modulator,
demodulator
DC Overtemperature Stereo
Pulse current Output monitoring
signal
Balance
Battery / accumulator Input monitoring
signal
Amplifier
Positive connector
P
Direct power
monitoring socket
Adjustable gain
amplifier
Negative connector
P
Reflected power
monitoring socket
Loudspeaker
connection
OFF
L.O.
Local oscillator
monitoring socket
Audio connection
ON Gating as opening
criterion
Headphone
connection
STAND-BY Gating as closing
criterion
Stereo headphone
ON push-button Channel / band filter Star connection