User's Manual
Table Of Contents
- 900MHz ADJUSTABLE BANDWIDTH OFF-AIR REPEATERS_91 080 0716F
- INDEX
- 1) SAFETY RULES
- 2) STANDARDS
- 3) GENERAL DESCRIPTION
- 3.1) EXAMPLE: USE IN TUNNELS
- 3.2) OPERATING PRINCIPLE - 800MHz/900MHz ADJUSTABLE BANDWIDTH OFF-AIR REPEATERS
- 3.3) ATTACHED DOCUMENTS
- SMR - TECHNICAL CHARACTERISTICS
- CDMA/TDMA/AMPS - TECHNICAL CHARACTERISTICS
- EGSM - TECHNICAL CHARACTERISTICS
- GSM-R - TECHNICAL CHARACTERISTICS
- CDMA/TDMA/AMPS - ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- CDMA/TDMA/AMPS - ILLUSTRATIVE 2 - Modules access points map and external access points map
- EGSM - ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- EGSM - ILLUSTRATIVE 2 - Modules access points map and external access points map
- GSM-R - ILLUSTRATIVE 1 - Equipment composition and backplane access points map
- GSM-R - ILLUSTRATIVE 2 - Modules access points map and external access points map
- 4) INSTALLATION AND POWER-UP PROCEDURES
- ABBREVIATIONS AND ACRONYMS
- INDEX
STANDARDS Page 7 ENG
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